| Application number | Title of the application | Filing Date | Status |
|---|
| 07/732276 | METHODS OF DRILLING WELL BOREHOLES AND COMPOSITIONS USED THEREIN | Jul 17, 1991 | Abandoned |
| 07/730647 | PROCESS FOR ELIMINATING CHOLESTEROL CONTAINED IN A FATTY SUBSTANCE OF ANIMAL ORIGIN AND THE FATTY SUBSTANCE WITH REDUCED CHOLESTEROL OBTAINED | Jul 15, 1991 | Abandoned |
| 07/729931 | METHOD OF IMPROVING WATER-SWELLABLE CLAY PROPERTIES BY RE-DRYING, COMPOSITIONS AND ARTICLES | Jul 14, 1991 | Abandoned |
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Array
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| 07/706321 | LOW SODIUM, LOW METALS SILICA POLISHING SLURRIES | May 27, 1991 | Abandoned |
| 07/706016 | APPLICATION OF MUDS CONTAINING SCLEROGLUCAN TO DRILLING LARGE-DIAMETER WELLS | May 27, 1991 | Abandoned |
Array
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[patent_kind] => NA
[patent_issue_date] => 1992-10-06
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Array
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| 07/694008 | SCALE DEPOSITION INHIBITOR | Apr 29, 1991 | Abandoned |
| 07/688055 | SCLEROGLUCAN BASED DRILLING MUD | Apr 18, 1991 | Abandoned |
Array
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