Assignee
KEY PHARMA
54 patents
Top patents by PatentIndex Score
US4292303ASep 29, 1981
Polymeric diffusion matrix containing clonidine
KEY PHARMA199 citations99
US5186938AFeb 16, 1993
Adhesive transdermal dosage layer
KEY PHARMA162 citations98
US4484577ANov 27, 1984
Drug delivery method and inhalation device therefor
KEY PHARMA319 citations98
US4492685AJan 8, 1985
Protective skin matrix
KEY PHARMA117 citations97
US4470962ASep 11, 1984
Polymeric diffusion matrix
KEY PHARMA72 citations97
US4466953AAug 21, 1984
Polymeric diffusion matrix
KEY PHARMA77 citations97
US4294820AOct 13, 1981
Polymeric diffusion matrix containing phenylephrine
KEY PHARMA85 citations97
US4291015ASep 22, 1981
Polymeric diffusion matrix containing a vasodilator
KEY PHARMA88 citations97
US4679555AJul 14, 1987
Method and apparatus for intrapulmonary delivery of heparin
KEY PHARMA54 citations96
US4579731AApr 1, 1986
Polymeric diffusion burn matrix and method of use
KEY PHARMA51 citations96
US4460562AJul 17, 1984
Polymeric diffusion matrix containing propranolol
KEY PHARMA100 citations96
US4289749ASep 15, 1981
Polymeric diffusion matrix containing phenylpropanolamine
KEY PHARMA34 citations96
US4764381AAug 16, 1988
Percutaneous penetration enhancer of oleic acid and 2-ethyl-1, 3-hexanediol
KEY PHARMA66 citations95
US4535157AAug 13, 1985
Process for making 6-desoxy-6-methylenenaloxone and 6-desoxy-6-methylenenaltrexone
KEY PHARMA61 citations95
US4708867ANov 24, 1987
Minipellets
KEY PHARMA65 citations94
US4634587AJan 6, 1987
Sustained release quinidine dosage form
KEY PHARMA107 citations94
US4556678ADec 3, 1985
Sustained release propranolol tablet
KEY PHARMA79 citations94
US4555399ANov 26, 1985
Aspirin tablet
KEY PHARMA68 citations94
US4297995ANov 3, 1981
Bandage containing attachment post
KEY PHARMA1,239 citations94
US3939842AFeb 24, 1976
Hemorrhoidal device
KEY PHARMA89 citations94
US4755386AJul 5, 1988
Buccal formulation
KEY PHARMA270 citations93
US4567185AJan 28, 1986
Endorphin blockage
KEY PHARMA45 citations93
US4983396AJan 8, 1991
Percutaneous penetration enhancer of oleic acid and 2-ethyl-1,3-hexanediol
KEY PHARMA30 citations92
US4859707AAug 22, 1989
Sulfur-substituted phenylacetamides
KEY PHARMA37 citations92
US4722726AFeb 2, 1988
Method and apparatus for iontophoretic drug delivery
KEY PHARMA240 citations92
US4585452AApr 29, 1986
Transdermal systemic dosage forms
KEY PHARMA44 citations92
US4542013ASep 17, 1985
Trinitroglycerol sustained release vehicles and preparation therefrom
KEY PHARMA49 citations92
US4438139AMar 20, 1984
Polymeric diffusion matrix containing estrogens
KEY PHARMA51 citations92
US4428926AJan 31, 1984
Sustained release propranolol system
KEY PHARMA36 citations92
US4291014ASep 22, 1981
Polymeric diffusion matrix containing estradiol diacetate
KEY PHARMA50 citations92
US4587118AMay 6, 1986
Dry sustained release theophylline oral formulation
KEY PHARMA111 citations91
US4863743ASep 5, 1989
Controlled release potassium chloride
KEY PHARMA26 citations86
US4292301ASep 29, 1981
Polymeric diffusion matrix containing ephedrine
KEY PHARMA21 citations86
US4482533ANov 13, 1984
Polymeric diffusion matrix containing propranolol
KEY PHARMA22 citations82
US4472372ASep 18, 1984
Polymeric diffusion matrix containing chlorpheniramine maleate
KEY PHARMA8 citations82
US4456587AJun 26, 1984
Pheromone delivery system
KEY PHARMA19 citations82
US4425336AJan 10, 1984
3,4-Dihydroxy-N-[3-(4-dihydroxyphenyl)-1-methyl-n-propyl]-beta-phenethylamine cyclodextrin complexes
KEY PHARMA19 citations82
US4424209AJan 3, 1984
3,4-Di-isobutyryloxy-N- 3-(4-isobutyryloxyphenyl)-1-methyl-n-propyl!-beta-phenethylamine cyclodextrin complexes
KEY PHARMA21 citations82
US4321252AMar 23, 1982
Polymeric diffusion matrix containing ester derivatives of estradiol
KEY PHARMA18 citations82
US4292302ASep 29, 1981
Polymeric diffusion matrix containing terbutaline
KEY PHARMA19 citations82
US4885174ADec 5, 1989
Percutaneous penetration enhancer of oleic acid and 2-ethyl-1,3-hexanediol
KEY PHARMA17 citations81
US4508702AApr 2, 1985
Sustained release aspirin
KEY PHARMA24 citations81
US4562206ADec 31, 1985
Orally effective inotropic compounds
KEY PHARMA7 citations74
US4511570AApr 16, 1985
Senile dementia treatment
KEY PHARMA13 citations74
US4483854ANov 20, 1984
Systemic treatment of psoriasis using certain salicylates
KEY PHARMA10 citations74
US4454142AJun 12, 1984
Hyperkinetic child treatment agent
KEY PHARMA11 citations74
US4442941AApr 17, 1984
Anti-spilling drug capsule
KEY PHARMA15 citations74
US4428925AJan 31, 1984
Sustained release glycerol trinitrate
KEY PHARMA16 citations74
US4432965AFeb 21, 1984
Quinidine sustained release dosage formulation
KEY PHARMA18 citations73
US4483860ANov 20, 1984
Hyperkinetic child treatment agent
KEY PHARMA2 citations63
Showing the top 50 of 54 patents by PatentIndex Score.