Search

Robert Canfield

Examiner (ID: 12223, Phone: (571)272-6840 , Office: P/3635 )

Most Active Art Unit
3636
Art Unit(s)
3504, 3600, 3635, 3636, 3621
Total Applications
3190
Issued Applications
2496
Pending Applications
226
Abandoned Applications
504

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19785673 [patent_doc_number] => 20250059352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => Feeding performance of low-melting Polymer Processing Additive Preblends [patent_app_type] => utility [patent_app_number] => 18/906924 [patent_app_country] => US [patent_app_date] => 2024-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18906924 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/906924
Feeding performance of low-melting Polymer Processing Additive Preblends Oct 3, 2024 Pending
Array ( [id] => 19464238 [patent_doc_number] => 20240317907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => PRODUCTION METHOD FOR FLUOROPOLYMER, SURFACTANT FOR POLYMERIZATION, AND USE OF SURFACTANT [patent_app_type] => utility [patent_app_number] => 18/655177 [patent_app_country] => US [patent_app_date] => 2024-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 49214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18655177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/655177
PRODUCTION METHOD FOR FLUOROPOLYMER, SURFACTANT FOR POLYMERIZATION, AND USE OF SURFACTANT May 2, 2024 Pending
Array ( [id] => 19418627 [patent_doc_number] => 20240294750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => POLYCARBONATE COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/647000 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18647000 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647000
POLYCARBONATE COMPOSITIONS Apr 25, 2024 Pending
Array ( [id] => 19326085 [patent_doc_number] => 12043751 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-23 [patent_title] => Highly-environment-friendly disposable PP spray oil for toys [patent_app_type] => utility [patent_app_number] => 18/626615 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2560 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626615
Highly-environment-friendly disposable PP spray oil for toys Apr 3, 2024 Issued
Array ( [id] => 20116014 [patent_doc_number] => 12365703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Method of selectively preparing phosphorus containing flame retardants and their use in thermoplastics [patent_app_type] => utility [patent_app_number] => 18/607918 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7658 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607918
Method of selectively preparing phosphorus containing flame retardants and their use in thermoplastics Mar 17, 2024 Issued
Array ( [id] => 20453026 [patent_doc_number] => 12516076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Method of selectively preparing phosphorus containing flame retardants and their use in thermoplastics [patent_app_type] => utility [patent_app_number] => 18/607947 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7664 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607947
Method of selectively preparing phosphorus containing flame retardants and their use in thermoplastics Mar 17, 2024 Issued
Array ( [id] => 19745770 [patent_doc_number] => 20250034335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => METHOD FOR SEPARATING AND RECOVERING LIGNIN AND MELTABLE FLOWABLE BIOLIGNIN POLYMERS [patent_app_type] => utility [patent_app_number] => 18/597548 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13501 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597548 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597548
METHOD FOR SEPARATING AND RECOVERING LIGNIN AND MELTABLE FLOWABLE BIOLIGNIN POLYMERS Mar 5, 2024 Pending
Array ( [id] => 19360768 [patent_doc_number] => 20240262802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => LOW MOLECULAR WEIGHT DRY POWDER POLYMER FOR USE AS PAPER-MAKING DRY STRENGTH AGENT [patent_app_type] => utility [patent_app_number] => 18/443810 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443810
LOW MOLECULAR WEIGHT DRY POWDER POLYMER FOR USE AS PAPER-MAKING DRY STRENGTH AGENT Feb 15, 2024 Pending
Array ( [id] => 19332428 [patent_doc_number] => 20240246858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => COMB POLYMERS AS BLOCKING ADDITIVES FOR SWELLING CLAYS [patent_app_type] => utility [patent_app_number] => 18/435416 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435416 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435416
Comb polymers as blocking additives for swelling clays Feb 6, 2024 Issued
Array ( [id] => 19504906 [patent_doc_number] => 12116317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Alkali-activated geopolymer coating, and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 18/408776 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6262 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408776 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408776
Alkali-activated geopolymer coating, and preparation method and use thereof Jan 9, 2024 Issued
Array ( [id] => 20115937 [patent_doc_number] => 12365626 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Permeable pavement system including a permeable pavement composition and a related method [patent_app_type] => utility [patent_app_number] => 18/538552 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 3213 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/538552
Permeable pavement system including a permeable pavement composition and a related method Dec 12, 2023 Issued
Array ( [id] => 19180946 [patent_doc_number] => 11987527 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => High-performance green concrete kit with four components [patent_app_type] => utility [patent_app_number] => 18/535049 [patent_app_country] => US [patent_app_date] => 2023-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6042 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18535049 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/535049
High-performance green concrete kit with four components Dec 10, 2023 Issued
Array ( [id] => 19196318 [patent_doc_number] => 11993544 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Green concrete kit composed of four components [patent_app_type] => utility [patent_app_number] => 18/534529 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6055 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534529
Green concrete kit composed of four components Dec 7, 2023 Issued
Array ( [id] => 19142620 [patent_doc_number] => 20240141471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => METAL-COATED STEEL STRIP [patent_app_type] => utility [patent_app_number] => 18/501221 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18501221 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501221
METAL-COATED STEEL STRIP Nov 2, 2023 Pending
Array ( [id] => 18987923 [patent_doc_number] => 20240059892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => FUNCTIONALIZED POLYACRYLATE POLYMER COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/380696 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380696
FUNCTIONALIZED POLYACRYLATE POLYMER COMPOSITIONS Oct 16, 2023 Pending
Array ( [id] => 19676026 [patent_doc_number] => 12187876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Continuous feed of antistatic agent for gas phase polymerization process [patent_app_type] => utility [patent_app_number] => 18/483687 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4854 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18483687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/483687
Continuous feed of antistatic agent for gas phase polymerization process Oct 9, 2023 Issued
Array ( [id] => 18902871 [patent_doc_number] => 20240018356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => REINFORCED THERMOPLASTIC MOULDING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/474869 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474869 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474869
REINFORCED THERMOPLASTIC MOULDING COMPOSITION Sep 25, 2023 Abandoned
Array ( [id] => 18955330 [patent_doc_number] => 20240043657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => AERATED POLYPROPYELENE COMPOSITIONS EXHIBITING SPECIFIC EMISSION [patent_app_type] => utility [patent_app_number] => 18/231814 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231814 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231814
AERATED POLYPROPYELENE COMPOSITIONS EXHIBITING SPECIFIC EMISSION Aug 8, 2023 Pending
Array ( [id] => 19778641 [patent_doc_number] => 12227665 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Phosphonates and uses thereof [patent_app_type] => utility [patent_app_number] => 18/202706 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2977 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202706
Phosphonates and uses thereof May 25, 2023 Issued
Array ( [id] => 18726007 [patent_doc_number] => 20230340259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => RESIN COMPOSITION, MOLDED ARTICLE, AND MACROMONOMER COPOLYMER [patent_app_type] => utility [patent_app_number] => 18/323696 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323696
RESIN COMPOSITION, MOLDED ARTICLE, AND MACROMONOMER COPOLYMER May 24, 2023 Pending
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