P

Inventor

TOLMAN RICHARD L

US92 patents
⚠️ This page may combine multiple inventors who share the name “TOLMAN RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MERCK & CO INC

44 patents
US4882317ANov 21, 1989

Covalently-modified bacterial polysaccharides, stable covalent conjugates of such polysaccharides and immunogenic proteins with bigeneric spacers and methods of preparing such polysaccharides and conjugataes and of confirming covalency

MERCK & CO INC148 citations98
US4695624ASep 22, 1987

Covalently-modified polyanionic bacterial polysaccharides, stable covalent conjugates of such polysaccharides and immunogenic proteins with bigeneric spacers, and methods of preparing such polysaccharides and conjugates and of confirming covalency

MERCK & CO INC202 citations98
US6200998B1Mar 13, 2001

Arylthiazolidinedione derivitives

MERCK & CO INC84 citations96
US5623057AApr 22, 1997

Pneumococcal polysaccharide conjugate vaccine

MERCK & CO INC173 citations96
US5057517AOct 15, 1991

Piperazinyl derivatives of purines and isosteres thereof as hypoglycemic agents

MERCK & CO INC83 citations96
US4579849AApr 1, 1986

N-alkylguanine acyclonucleosides as antiviral agents

MERCK & CO INC74 citations96
US4459286AJul 10, 1984

Coupled H. influenzae type B vaccine

MERCK & CO INC211 citations96
US4134973AJan 16, 1979

Carbohydrate derivatives of milbemycin and processes therefor

MERCK & CO INC103 citations96
US5859051AJan 12, 1999

Antidiabetic agents

MERCK & CO INC150 citations95
US5610162AMar 11, 1997

Ester derivatives of 4-aza-steroids

MERCK & CO INC67 citations95
US5536727AJul 16, 1996

17-Ethers and thioethers of 4-aza-steroids

MERCK & CO INC60 citations95
US6008237ADec 28, 1999

Arylthiazolidinedione derivatives

MERCK & CO INC57 citations94
US6090839AJul 18, 2000

Antidiabetic agents

MERCK & CO INC66 citations93
US4830852AMay 16, 1989

Covalently-modified neutral bacterial polysaccharides, stable covalent conjugates of such polysaccharides and immunogenic proteins and methods of preparing such polysaccharides and conjugates

MERCK & CO INC95 citations93
US4203976AMay 20, 1980

Sugar derivatives of C-076 compounds

MERCK & CO INC37 citations93
US4156720AMay 29, 1979

Carbohydrate derivatives of milbemycin and processes therefor

MERCK & CO INC34 citations93
US5910497AJun 8, 1999

16-pyrazinyl-substituted-4-aza-androstane 5-α-reductase isozyme 1 inhibitors

MERCK & CO INC18 citations92
US5777134AJul 7, 1998

4-oxa and 4-thia steriods

MERCK & CO INC24 citations92
US5719158AFeb 17, 1998

16-substituted-4-aza-androstane 5-alpha-reductase isozyme 1 inhibitors

MERCK & CO INC22 citations92
US5710275AJan 20, 1998

7β-substituted-4-aza-5α-androstan-3-ones as 5α-reductase inhibitors

MERCK & CO INC22 citations92
US5693809ADec 2, 1997

Substituted 4-aza-5α-androstan-ones as 5α-reductase inhibitors

MERCK & CO INC37 citations92
US5516779AMay 14, 1996

17β-substituted-6-azasteroid derivatives useful as 5α-reductase inhibitors

MERCK & CO INC35 citations92
US5510351AApr 23, 1996

Delta-17 and delta-20 olefinic and saturated 17 beta-substituted 4-aza-5 alpha-androstan-ones as 5 alpha reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders

MERCK & CO INC25 citations92
US5510485AApr 23, 1996

17-ester, amide, and ketone derivatives of 3-oxo-4-azasteroids as 5A-reductase inhibitors

MERCK & CO INC25 citations92
US5371197ADec 6, 1994

Protein-dimeric polysaccharide conjugate vaccine

MERCK & CO INC47 citations92
US5137876AAug 11, 1992

Nucleoside antiviral and anti-inflammatory compounds and compositions and methods for using same

MERCK & CO INC34 citations92
US4980350ADec 25, 1990

Piperazinylalkylpyrimidines as hypoglycemic agents

MERCK & CO INC29 citations92
US4814432AMar 21, 1989

Inhibitor of ribonucleotide reductase

MERCK & CO INC29 citations92
US4801710AJan 31, 1989

Regioselective synthesis of 9-substituted purine acyclonucleoside derivatives

MERCK & CO INC31 citations92
US6090836AJul 18, 2000

Benzisoxazole-derived antidiabetic compounds

MERCK & CO INC24 citations91
US5595996AJan 21, 1997

7-substituted 4-aza cholanic acid derivatives and their use

MERCK & CO INC33 citations90
US4617304AOct 14, 1986

Purine derivatives

MERCK & CO INC45 citations90
US4200581AApr 29, 1980

Alkyl derivatives of C-076 compounds

MERCK & CO INC48 citations90
US4287201ASep 1, 1981

Anovulatory method and chicken feed compositions

MERCK & CO INC35 citations89
US5606030AFeb 25, 1997

Coconjugates of OMPC, HIV related peptides and anionic moieties

MERCK & CO INC18 citations83
US5739137AApr 14, 1998

16-substituted-4-aza-3-oxo-androstane as 5-alpha-reductase isozyme 1 inhibitors

MERCK & CO INC14 citations82
US4871739AOct 3, 1989

Substituted 6H-7,8-dihydrothiapyrano(3,2-D)-pyrimidines as hyopglycemic agents

MERCK & CO INC22 citations82
US4816447AMar 28, 1989

Anti-viral guanine compounds

MERCK & CO INC20 citations80
US4782062ANov 1, 1988

9-(2-hydroxymethyl)cycloalkylmethyl) guanines

MERCK & CO INC20 citations80
US4488991ADec 18, 1984

Bacterial toxoids and gram-negative immune globulin therefrom

MERCK & CO INC20 citations80
US4428931AJan 31, 1984

Bacterial toxoids and gram-negative immune globulin therefrom

MERCK & CO INC25 citations80
US6001844ADec 14, 1999

4-Azasteroids for treatment of hyperandrogenic conditions

MERCK & CO INC12 citations74
US5620986AApr 15, 1997

17 urea, thiourea, thiocarbamyl and carbamyl4-azasteroid 5-reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders

MERCK & CO INC12 citations74
US5274122ADec 28, 1993

Acidic derivatives of homocysteine thiolactone

MERCK & CO INC9 citations74

GERON CORP

4 patents

GRYAZNOV SERGEI M

1 patent

ICN PHARMACEUTICALS

1 patent

Showing the top 50 of 92 patents by PatentIndex Score.