Pfizer Inc
Pfizer IncActive Patents
0
Total Holdings
60
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0144764A2 | Laser catheter | Expired / Lapsed | 1984-11-06 | — | 13 | Details |
| EP0018166A1 | Apparatus for use in stereotactic surgery | Expired / Lapsed | 1980-04-09 | — | 8 | Details |
| FR2256756A1 | FR2256756A1 - - Google Patents | Expired / Lapsed | 1975-01-06 | — | 0 | Details |
| US6080422A | Methods of angioplasty and cardiac catheterization | Expired / Lapsed | 1996-10-11 | 2000-06-27 | 30 | Details |
| US5516527A | Dispensing device powered by hydrogel | Expired / Lapsed | 1992-10-09 | 1996-05-14 | 11 | Details |
| US5441986A | Estrogen agonists as remedies for prostate and cardiovascul… | Expired / Lapsed | 1994-07-19 | 1995-08-15 | 3 | Details |
| US5362852A | Modified peptide derivatives conjugated at 2-hydroxyethylam… | Expired / Lapsed | 1991-09-27 | 1994-11-08 | 13 | Details |
| US5141748A | Implant drug delivery device | Expired / Lapsed | 1989-02-17 | 1992-08-25 | 8 | Details |
| US4895724A | Chitosan compositions for controlled and prolonged release … | Expired / Lapsed | 1985-06-07 | 1990-01-23 | 23 | Details |
| US4803076A | Controlled release device for an active substance | Expired / Lapsed | 1986-09-04 | 1989-02-07 | 44 | Details |
| US4797394A | 6-(1-carbamoyl-1-hydroxymethyl)penicillanic acid derivatives | Expired / Lapsed | 1985-10-29 | 1989-01-10 | 88 | Details |
| US4613462A | 6-substituted penicillanic acid 1,1-dioxide compounds | Expired / Lapsed | 1986-02-06 | 1986-09-23 | 6 | Details |
| US4590073A | 6-substituted penicillanic acid 1,1-dioxide compounds | Expired / Lapsed | 1985-07-02 | 1986-05-20 | 25 | Details |
| US4488994A | Bis-esters of methanediol with penicillins and penicillanic… | Expired / Lapsed | 1982-02-16 | 1984-12-18 | 2 | Details |
| US4478748A | Bis-esters of alkanediols | Expired / Lapsed | 1982-09-20 | 1984-10-23 | 8 | Details |
| US4401674A | Intramammary compositions | Expired / Lapsed | 1981-12-24 | 1983-08-30 | 16 | Details |
| US4366575A | Method and apparatus for controlling x-ray tube emissions | Expired / Lapsed | 1981-09-25 | 1982-12-28 | 25 | Details |
| US4308250A | Sustained drug release device | Expired / Lapsed | 1980-12-09 | 1981-12-29 | 5 | Details |
| US4268497A | Sustained drug release device | Expired / Lapsed | 1979-11-07 | 1981-05-19 | 3 | Details |
| US4228149A | Sustained release compositions | Expired / Lapsed | 1978-05-30 | 1980-10-14 | 25 | Details |
| US4220153A | Controlled release delivery system | Expired / Lapsed | 1979-02-22 | 1980-09-02 | 42 | Details |
| US4220152A | Delivery system | Expired / Lapsed | 1979-02-22 | 1980-09-02 | 42 | Details |
| US3957580A | Immobilized microbial cells | Expired / Lapsed | 1974-03-27 | 1976-05-18 | 21 | Details |
| US3931222A | Tetrahydro-carbazole derivates | Expired / Lapsed | 1974-05-29 | 1976-01-06 | 9 | Details |
| US3755558A | Polylactide drug mixtures for topical application atelet ag… | Expired / Lapsed | 1971-02-23 | 1973-08-28 | 0 | Details |
| US3733205A | Enzymatic removal of diacetyl from fermented beverages | Expired / Lapsed | 1970-08-07 | 1973-05-15 | 0 | Details |
| US3706747A | Benzothieno(3,2-d)- and benzofuro(3,2-d)pyrimidines | Expired / Lapsed | 1970-06-05 | 1972-12-19 | 0 | Details |
| US3594469A | Pellets for supplying biologically active substances to rum… | Expired / Lapsed | 1965-11-23 | 1971-07-20 | 0 | Details |
| US3520299A | Implant gun assembly | Expired / Lapsed | 1967-04-26 | 1970-07-14 | 0 | Details |
| US3498748A | Preparation of magnetic ferric oxide | Expired / Lapsed | 1967-05-18 | 1970-03-03 | 0 | Details |
| US3476366A | Gas liquid transfer apparatus | Expired / Lapsed | 1966-12-29 | 1969-11-04 | 0 | Details |
| US3470067A | Concentration and purification of viruses from particulate … | Expired / Lapsed | 1967-09-19 | 1969-09-30 | 0 | Details |
| US3445249A | Compositions containing organotin metal carboxylate antimic… | Expired / Lapsed | 1967-10-30 | 1969-05-20 | 0 | Details |
| US3370956A | Fumaric acid compositions | Expired / Lapsed | 1963-08-20 | 1968-02-27 | 2 | Details |
| US3296079A | Products sweetened without sugar and characterized by freed… | Expired / Lapsed | 1963-12-09 | 1967-01-03 | 4 | Details |
| US3293045A | Increasing the flavor strength of anethole, cinnamaldehyde … | Expired / Lapsed | 1963-10-18 | 1966-12-20 | 2 | Details |
| US3271448A | Phenoxyalkyl aminoguanidines | Expired / Lapsed | 1964-09-10 | 1966-09-06 | 2 | Details |
| US3270525A | Perfume dispensing jewelry with frangible portion | Expired / Lapsed | 1964-01-28 | 1966-09-06 | 0 | Details |
| US3232836A | Facilitating healing of body surface wounds by intravenous … | Expired / Lapsed | 1959-08-24 | 1966-02-01 | 2 | Details |
| US3130204A | Preparation of gamma-pyrones | Expired / Lapsed | 1962-02-07 | 1964-04-21 | 2 | Details |
| US3053332A | Automatic fill-control system | Expired / Lapsed | 1958-05-01 | 1962-09-11 | 0 | Details |
| US3004891A | Stable, aqueous solutions of sodium phosphite, sodium forma… | Expired / Lapsed | 1959-09-17 | 1961-10-17 | 1 | Details |
| CA625631A | Derivatives of diazacycloalkenes | Expired / Lapsed | — | 1961-08-15 | 0 | Details |
| US2971309A | Apparatus for loading articles into partitioned cartons | Expired / Lapsed | 1957-05-02 | 1961-02-14 | 0 | Details |
| US2951015A | Aqueous readily injectable therapeutic compositions contain… | Expired / Lapsed | 1957-07-02 | 1960-08-30 | 2 | Details |
| US2935449A | Stabilized vitamin a compositions | Expired / Lapsed | 1958-04-14 | 1960-05-03 | 2 | Details |
| US2907327A | Pellet implanter | Expired / Lapsed | 1957-02-08 | 1959-10-06 | 0 | Details |
| US2883984A | Pellet implanter | Expired / Lapsed | 1957-09-09 | 1959-04-28 | 0 | Details |
| US2864366A | Hypodermic syringe adapter | Expired / Lapsed | 1957-04-04 | 1958-12-16 | 0 | Details |
| US2859750A | Hypodermic syringe | Expired / Lapsed | 1956-02-10 | 1958-11-11 | 0 | Details |
| US2859751A | Hypodermic syringe | Expired / Lapsed | 1956-02-10 | 1958-11-11 | 0 | Details |
| US2857913A | Hypodermic needle assembly | Expired / Lapsed | 1957-04-03 | 1958-10-28 | 0 | Details |
| US2848997A | Squeeze bottle | Expired / Lapsed | 1956-06-11 | 1958-08-26 | 0 | Details |
| US2841937A | Machine for assembling disposable cartridges for hypodermic… | Expired / Lapsed | 1956-12-28 | 1958-07-08 | 0 | Details |
| US2836942A | Method of encasing and sterilizing needles | Expired / Lapsed | 1953-11-16 | 1958-06-03 | 1 | Details |
| US2811483A | Pharmaceutical composition and process for preparing the sa… | Expired / Lapsed | 1954-12-09 | 1957-10-29 | 4 | Details |
| US2778360A | Hypodermic syringe | Expired / Lapsed | 1955-05-09 | 1957-01-22 | 0 | Details |
| US2689202A | Process of grinding frozen vitamin a material | Expired / Lapsed | 1951-12-11 | 1954-09-14 | 2 | Details |
| US2652182A | Coated rubber stopper and process for preparing same | Expired / Lapsed | 1949-09-15 | 1953-09-15 | 1 | Details |
| US1849053A | Production of gluconic acid | Expired / Lapsed | 1927-11-26 | 1932-03-15 | 0 | Details |