United States Department of Agriculture
United StaActive Patents
0
Total Holdings
33
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4970757A | Automated excision of undesirable material and production o… | Expired / Lapsed | 1989-06-27 | 1990-11-20 | 17 | Details |
| US4483950A | Modified starches as extenders for absorbent polymers | Expired / Lapsed | 1982-12-10 | 1984-11-20 | 11 | Details |
| US4451265A | Diesel fuel-aqueous alcohol microemulsions | Expired / Lapsed | 1981-04-21 | 1984-05-29 | 12 | Details |
| US4401456A | Controlled release of bioactive materials using alginate ge… | Expired / Lapsed | 1981-04-28 | 1983-08-30 | 13 | Details |
| US4327710A | Process for encapsulating additives in resealed erythrocyte… | Expired / Lapsed | 1980-06-18 | 1982-05-04 | 19 | Details |
| US4277364A | Encapsulation by entrapment | Expired / Lapsed | 1976-10-19 | 1981-07-07 | 31 | Details |
| US4209433A | Method of bonding particle board and the like using polyiso… | Expired / Lapsed | 1978-12-19 | 1980-06-24 | 8 | Details |
| US4189535A | Serum cell growth promoting materials | Expired / Lapsed | 1978-08-21 | 1980-02-19 | 15 | Details |
| US4167447A | Method for insolubilizing enzymes on chitosan | Expired / Lapsed | 1978-03-24 | 1979-09-11 | 11 | Details |
| US4071925A | Apparatus for forming textile lap | Expired / Lapsed | 1976-05-25 | 1978-02-07 | 8 | Details |
| US4026849A | Composite compositions from graft polymerized rigid fillers | Expired / Lapsed | 1975-10-03 | 1977-05-31 | 9 | Details |
| US4017522A | N-(furoyloxyethyl) fatty acid amides | Expired / Lapsed | 1976-03-15 | 1977-04-12 | 12 | Details |
| US3983746A | Road roughness meter | Expired / Lapsed | 1975-08-14 | 1976-10-05 | 4 | Details |
| US3949145A | Degradable starch-based agricultural mulch film | Expired / Lapsed | 1975-02-27 | 1976-04-06 | 28 | Details |
| US3877818A | Photo-optical method for determining fat content in meat | Expired / Lapsed | 1974-01-28 | 1975-04-15 | 27 | Details |
| US3854873A | Use of sodium bisulfite in an improved process for the trea… | Expired / Lapsed | 1972-12-13 | 1974-12-17 | 9 | Details |
| US3843320A | Graft polymerization of vinyl monomers onto chrome-tanned h… | Expired / Lapsed | 1972-05-31 | 1974-10-22 | 2 | Details |
| US3767531A | Preparation of insolubilized enzymes | Expired / Lapsed | 1972-02-14 | 1973-10-23 | 9 | Details |
| US3745835A | Air static pressure and temperature measuring device for re… | Expired / Lapsed | 1971-11-01 | 1973-07-17 | 5 | Details |
| US3717067A | Underlayment fastening device | Expired / Lapsed | 1971-01-07 | 1973-02-20 | 2 | Details |
| US3706594A | Fibrous substrate treated with copolymers of fluoroalkyl et… | Expired / Lapsed | 1971-02-22 | 1972-12-19 | 19 | Details |
| US3672955A | Preparation of an insoluble active enzyme | Expired / Lapsed | 1970-05-20 | 1972-06-27 | 0 | Details |
| US3485779A | Diisocyanate modified vegetable oil hydroxyl-terminated pol… | Expired / Lapsed | 1967-10-19 | 1969-12-23 | 0 | Details |
| US3453741A | System for freeze-drying | Expired / Lapsed | 1967-11-02 | 1969-07-08 | 0 | Details |
| US2683458A | Card sorting device | Expired / Lapsed | 1951-12-06 | 1954-07-13 | 0 | Details |
| US2636889A | Modified soybean lecithin | Expired / Lapsed | 1951-07-24 | 1953-04-28 | 2 | Details |
| US2597011A | Preparation of starch sponge | Expired / Lapsed | 1950-07-28 | 1952-05-20 | 0 | Details |
| US2594358A | System and apparatus for selective photographing | Expired / Lapsed | 1950-04-24 | 1952-04-29 | 0 | Details |
| US2512645A | Self-advancing winding reel | Expired / Lapsed | 1946-07-19 | 1950-06-27 | 0 | Details |
| US2483099A | Esters of polyhydroxy-benzoic acids | Expired / Lapsed | 1946-06-21 | 1949-09-27 | 0 | Details |
| US2448153A | Process of making cotton textiles water-absorbent and rotre… | Expired / Lapsed | 1946-09-10 | 1948-08-31 | 0 | Details |
| US2445892A | Amino fatty derivatives | Expired / Lapsed | 1946-02-05 | 1948-07-27 | 0 | Details |
| US2405646A | Process of manufacturing volatile esters of hydroxy carboxy… | Expired / Lapsed | 1945-05-28 | 1946-08-13 | 0 | Details |