Assignee
KEY PHARMA
US·54 granted patents·4,418 citations·filing 1974–1991
Top patents by PatentIndex Score
54 records- 0197US4535157AProcess for making 6-desoxy-6-methylenenaloxone and 6-desoxy-6-methylenenaltrexoneKEY PHARMA·Filed 1983·Granted Aug 13, 1985·61 cites·3 claims
- 0297US4292303APolymeric diffusion matrix containing clonidineKEY PHARMA·Filed 1980·Granted Sep 29, 1981·199 cites·10 claims
- 0396US4492685AProtective skin matrixKEY PHARMA·Filed 1984·Granted Jan 8, 1985·117 cites·9 claims
- 0496US4297995ABandage containing attachment postKEY PHARMA·Filed 1980·Granted Nov 3, 1981·1.2k cites·22 claims
- 0595US4755386ABuccal formulationKEY PHARMA·Filed 1986·Granted Jul 5, 1988·270 cites·15 claims
- 0695US4294820APolymeric diffusion matrix containing phenylephrineKEY PHARMA·Filed 1980·Granted Oct 13, 1981·85 cites·10 claims
- 0795US4291015APolymeric diffusion matrix containing a vasodilatorKEY PHARMA·Filed 1980·Granted Sep 22, 1981·88 cites·25 claims
- 0894US4859707ASulfur-substituted phenylacetamidesKEY PHARMA·Filed 1983·Granted Aug 22, 1989·37 cites·9 claims
- 0994US4484577ADrug delivery method and inhalation device thereforKEY PHARMA·Filed 1982·Granted Nov 27, 1984·319 cites·24 claims
- 1094US4470962APolymeric diffusion matrixKEY PHARMA·Filed 1981·Granted Sep 11, 1984·72 cites·7 claims
- 1194US4466953APolymeric diffusion matrixKEY PHARMA·Filed 1982·Granted Aug 21, 1984·77 cites·9 claims
- 1293US5186938AAdhesive transdermal dosage layerKEY PHARMA·Filed 1991·Granted Feb 16, 1993·162 cites·19 claims
- 1393US4634587ASustained release quinidine dosage formKEY PHARMA·Filed 1984·Granted Jan 6, 1987·107 cites·6 claims
- 1493US4460562APolymeric diffusion matrix containing propranololKEY PHARMA·Filed 1983·Granted Jul 17, 1984·100 cites·8 claims
- 1592US3939842AHemorrhoidal deviceKEY PHARMA·Filed 1974·Granted Feb 24, 1976·89 cites·4 claims
- 1690US4556678ASustained release propranolol tabletKEY PHARMA·Filed 1982·Granted Dec 3, 1985·79 cites·3 claims
- 1788US4708867AMinipelletsKEY PHARMA·Filed 1984·Granted Nov 24, 1987·65 cites·5 claims
- 1888US4587118ADry sustained release theophylline oral formulationKEY PHARMA·Filed 1984·Granted May 6, 1986·111 cites·7 claims
- 1988US4555399AAspirin tabletKEY PHARMA·Filed 1984·Granted Nov 26, 1985·68 cites·7 claims
- 2087US4456587APheromone delivery systemKEY PHARMA·Filed 1982·Granted Jun 26, 1984·19 cites·3 claims
- 2186US4764381APercutaneous penetration enhancer of oleic acid and 2-ethyl-1, 3-hexanediolKEY PHARMA·Filed 1985·Granted Aug 16, 1988·66 cites·1 claims
- 2286US4289749APolymeric diffusion matrix containing phenylpropanolamineKEY PHARMA·Filed 1980·Granted Sep 15, 1981·34 cites·10 claims
- 2385US4679555AMethod and apparatus for intrapulmonary delivery of heparinKEY PHARMA·Filed 1984·Granted Jul 14, 1987·54 cites·9 claims
- 2484US4579731APolymeric diffusion burn matrix and method of useKEY PHARMA·Filed 1984·Granted Apr 1, 1986·51 cites·8 claims
- 2583US4722726AMethod and apparatus for iontophoretic drug deliveryKEY PHARMA·Filed 1986·Granted Feb 2, 1988·240 cites·25 claims
- 2683US4438139APolymeric diffusion matrix containing estrogensKEY PHARMA·Filed 1982·Granted Mar 20, 1984·51 cites·13 claims
- 2782US4567185AEndorphin blockageKEY PHARMA·Filed 1983·Granted Jan 28, 1986·45 cites·5 claims
- 2882US4542013ATrinitroglycerol sustained release vehicles and preparation therefromKEY PHARMA·Filed 1983·Granted Sep 17, 1985·49 cites·8 claims
- 2982US4291014APolymeric diffusion matrix containing estradiol diacetateKEY PHARMA·Filed 1980·Granted Sep 22, 1981·50 cites·16 claims
- 3079US4585452ATransdermal systemic dosage formsKEY PHARMA·Filed 1983·Granted Apr 29, 1986·44 cites·12 claims
- 3178US4292301APolymeric diffusion matrix containing ephedrineKEY PHARMA·Filed 1980·Granted Sep 29, 1981·21 cites·10 claims
- 3276US4428926ASustained release propranolol systemKEY PHARMA·Filed 1982·Granted Jan 31, 1984·36 cites·5 claims
- 3376US4292302APolymeric diffusion matrix containing terbutalineKEY PHARMA·Filed 1980·Granted Sep 29, 1981·19 cites·10 claims
- 3475US4321252APolymeric diffusion matrix containing ester derivatives of estradiolKEY PHARMA·Filed 1980·Granted Mar 23, 1982·18 cites·17 claims
- 3567US4983396APercutaneous penetration enhancer of oleic acid and 2-ethyl-1,3-hexanediolKEY PHARMA·Filed 1989·Granted Jan 8, 1991·30 cites·2 claims
- 3667US4562206AOrally effective inotropic compoundsKEY PHARMA·Filed 1984·Granted Dec 31, 1985·7 cites·12 claims
- 3767US4508702ASustained release aspirinKEY PHARMA·Filed 1984·Granted Apr 2, 1985·24 cites·5 claims
- 3865US4482533APolymeric diffusion matrix containing propranololKEY PHARMA·Filed 1983·Granted Nov 13, 1984·22 cites·1 claims
- 3965US4424209A3,4-Di-isobutyryloxy-N- 3-(4-isobutyryloxyphenyl)-1-methyl-n-propyl!-beta-phenethylamine cyclodextrin complexesKEY PHARMA·Filed 1982·Granted Jan 3, 1984·21 cites·4 claims
- 4062US4425336A3,4-Dihydroxy-N-[3-(4-dihydroxyphenyl)-1-methyl-n-propyl]-beta-phenethylamine cyclodextrin complexesKEY PHARMA·Filed 1982·Granted Jan 10, 1984·19 cites·3 claims
- 4160US4432965AQuinidine sustained release dosage formulationKEY PHARMA·Filed 1982·Granted Feb 21, 1984·18 cites·4 claims
- 4259US4863743AControlled release potassium chlorideKEY PHARMA·Filed 1986·Granted Sep 5, 1989·26 cites·12 claims
- 4359US4472372APolymeric diffusion matrix containing chlorpheniramine maleateKEY PHARMA·Filed 1982·Granted Sep 18, 1984·8 cites·4 claims
- 4458US4885174APercutaneous penetration enhancer of oleic acid and 2-ethyl-1,3-hexanediolKEY PHARMA·Filed 1988·Granted Dec 5, 1989·17 cites·3 claims
- 4558US4428925ASustained release glycerol trinitrateKEY PHARMA·Filed 1982·Granted Jan 31, 1984·16 cites·5 claims
- 4654US4511570ASenile dementia treatmentKEY PHARMA·Filed 1983·Granted Apr 16, 1985·13 cites·4 claims
- 4751US4454142AHyperkinetic child treatment agentKEY PHARMA·Filed 1983·Granted Jun 12, 1984·11 cites·4 claims
- 4850US4483854ASystemic treatment of psoriasis using certain salicylatesKEY PHARMA·Filed 1983·Granted Nov 20, 1984·10 cites·6 claims
- 4943US4496570A4,5αEpoxymorphinan-6-spiro-2'-(4'-carboxy,1',3'-thiazolidine)derivativesKEY PHARMA·Filed 1983·Granted Jan 29, 1985·1 cites·12 claims
- 5039US4442941AAnti-spilling drug capsuleKEY PHARMA·Filed 1982·Granted Apr 17, 1984·15 cites·4 claims
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