Inventor

David J. Mathre

Inventor

Skillman, NJ, US

Overview

23→

Patents

1988–2012

Patent span

Chemistry

Primary field (CPC C)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds40%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%

C07KPeptides11%

C07CAcyclic or carbocyclic compounds9%

A61KPreparations for medical, dental or toiletry purposes4%

C07HSugars2%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture2%

Y02ATechnologies for adaptation to climate change2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

8,129,413'Crystalline forms of MC4R agonist and process for synthesis'2012 6,153,787'Intermediates for making heterocycles useful as COX-2 inhibitors'2000 5,883,267'Process for making phenyl heterocycles useful as cox-2 inhibitors'1999 5,777,105'Process for the preparation of imidazolyl macrolide immunosuppressants'1998 5,773,575'Process for peptide segment condensation'1998 5,760,249'Synthesis of hydroxysulfone and related compounds'1998 5,693,805'Process to derivatives of piperizinylcamphorsulfonyl oxytocin antagonists'1997 5,688,968'Enantioselective synthesis of 5,6-dihydro-(S)-4-(ethylamino)-(S)-6-methyl-4H-thieno›2,3-B!thiopyran-2- sulfonamide 7,7-dioxide'1997 5,686,607'Pyridyl ethylation of lactam derivatives'1997 5,618,934'Boronic acid compound'1997 5,594,134'Process of synthesizing N-acyl auxiliaries'1997 5,574,176'Synthesis of an intermediate for the preparation of 5,6-dihydro-(s)-4-(ethylamino)-(s)-6-methyl-4h-thieno [2,3-b]thiopyran-2-sulfonamide 7,7-dioxide intermediates and related compounds'1996 5,461,162'Process of synthesizing n-acyl auxiliaries'1995 5,369,093'Lipopeptide derivatives'1994 5,336,756'Process for crystalline cyclic lipopeptides'1994 5,264,585'Chiral catalysts for reduction of ketones and process for their preparation'1993 5,264,574'Preparation of oxazaborolidine borane complex'1993 5,233,023'Process for phosphate ester compounds of certain cyclohexapeptides'1993 5,198,421'Phosphorylated cyclic lipopeptide'1993 5,189,177'Chiral boron catalysts for reduction of ketones and process for their preparation'1993 5,157,129'Enantiospecific synthesis of S-(+)-5,6-dihydro-4-(R-amino)-4H-thieno(2,3-b)thiopyran-2-sulfonamide-7, 7-dioxide'1992 5,039,802'Arylation process for preparation of chiral catalysts for ketone reduction'1991 4,758,661'Chiral synthesis of (+)-trans-1a,2,3,4a,5,6-hexahydro-9-hydroxy-4-propyl-4H-naphth[1,2-b]-1, 4-oxazine'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2000Patents assigned to MERCK & CO INC (22)· patent assignee history

1988–1994Based in Edison, NJ, US· patent location history

1993–2012Based in Skillman, NJ, US· patent location history

2012Patents assigned to CALABRIA RALPH (1)· patent assignee history

2012Patents assigned to CHENG YU (1)· patent assignee history

2012Patents assigned to FERLITA RUSSELL R (1)· patent assignee history

2012Patents assigned to KAMALI ASHKAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MERCK & CO INC	22	1988–2000
CALABRIA RALPH	1	2012
CHENG YU	1	2012
FERLITA RUSSELL R	1	2012
KAMALI ASHKAN	1	2012

Locations

Location	Patents	Span
Skillman, New Jersey, US	17	1993–2012
Edison, New Jersey, US	6	1988–1994