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Class Information
Number: 424/501
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Particulate form (e.g., powders, granules, beads, microcapsules, and pellets) > Contains solid synthetic resin
Description: Subject matter in which the particles are impregnated with a solid synthetic resin.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4329332 |
Biodegradable submicroscopic particles containing a biologically active substance and compositions containing them |
May. 11, 1982 |
| 4254100 |
Vitamin A compositions |
Mar. 3, 1981 |
| 4230809 |
Pressure-resistant polyurethane-polyurea particles for the encapsulation of active ingredients and process for their manufacture |
Oct. 28, 1980 |
| 4228152 |
Polymers containing prostaglandin radicals, process for their preparation and use thereof |
Oct. 14, 1980 |
| 4172120 |
Cholestyramine compositions and method for treating biliary gastritis |
Oct. 23, 1979 |
| 4113853 |
Haptoglobin insolubilized by being fixed in fibrin |
Sep. 12, 1978 |
| 4112215 |
Copolymeric resin binder powders |
Sep. 5, 1978 |
| 4105779 |
Anthelmintic process for domestic animals |
Aug. 8, 1978 |
| 3996347 |
Plant virus treatment |
Dec. 7, 1976 |
| 3966902 |
Polymer complex carriers for an active ingredient |
Jun. 29, 1976 |
| 3962419 |
Stabilized antibiotic SF-837 preparation |
Jun. 8, 1976 |
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