Johnston; David B. R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnston; David B. R..The latest application filed is for "spiro piperidines and homologs promote release of growth hormone".

Company Profile

0.21.0

Johnston; David B. R. - Warren NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Spiro piperidines and homologs promote release of growth hormone Grant 5,578,593 - Chen , et al. November 26, 1	1996-11-26
Spiro piperidines and homologs which promote release of growth hormone Grant 5,536,716 - Chen , et al. July 16, 1	1996-07-16
Substituted imidazo-fused 5-membered ring heterocycles as angiotensin II antagonists Grant 5,389,660 - Greenlee , et al. February 14, 1	1995-02-14
Piperazinyl derivatives of purines and isosteres thereof as hypoglycemic agents Grant 5,057,517 - Johnston , et al. October 15, 1	1991-10-15
2-carbamimidoyl-6-substituted-1-carbadethiapen-2-em-3-carboxylic acids Grant 4,997,936 - Christensen , et al. * March 5, 1	1991-03-05
2-Amino-3,5-dicyano-6-(substituted)pyrazine antimicrobial compounds Grant 4,517,186 - Johnston May 14, 1	1985-05-14
3-Acyl-2-amino-5-halo-6-(substituted)pyrazine antimicrobial compounds Grant 4,512,991 - Johnston April 23, 1	1985-04-23
N-[2-amino-5-halo-6-(substituted)-3-pyrazinyl)-methylene]amine antimicrobial compounds Grant 4,507,299 - Johnston March 26, 1	1985-03-26
2-Amino-3-carboxylate-5-halo-6-(substituted)pyrazine antimicrobial compounds Grant 4,481,202 - Johnston November 6, 1	1984-11-06
N-[(5-Halo-2,6-(substituted)pyrazinyl)methylene]amine antimicrobial compounds, compositions and use Grant 4,442,095 - Johnston April 10, 1	1984-04-10
2-(Substituted)amino-3-cyano-5-halo-6-(substituted)-pyrazine antimicrobial compounds, compositions and use Grant 4,442,096 - Johnston April 10, 1	1984-04-10
3-Acyl-2-(substituted) amino-5-halo-6-(substituted) pyrazine antimicrobial compounds, compositions and use Grant 4,442,097 - Johnston April 10, 1	1984-04-10
4-Aza-17.beta.-substituted-5.alpha.-androstan-3-one-reductase inhibitors Grant 4,377,584 - Rasmusson , et al. March 22, 1	1983-03-22
3-Substituted thio-6-amido-7-oxo-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid s-oxides Grant 4,277,482 - Christensen , et al. July 7, 1	1981-07-07
Cephalosporin compounds Grant 4,255,423 - Beattie , et al. March 10, 1	1981-03-10
3-(2-Aminoethyl thio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid Grant 4,234,596 - Christensen , et al. November 18, 1	1980-11-18
3-(2-Aminoethylthio)-6-amido-7-oxo-1-azabicyclo[3.2.0]- hept-2-ene-2-carboxylic acid Grant 4,224,336 - Christensen , et al. September 23, 1	1980-09-23
Preparation of 4-aza-17-substituted-5.alpha.-androstan-3-ones useful as 5.alpha.-reductase inhibitors Grant 4,220,775 - Rasmusson , et al. September 2, 1	1980-09-02
3-Substituted thio-6-amido-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid Grant 4,218,463 - Christensen , et al. August 19, 1	1980-08-19
N-substituted-17.beta.-carbamoylandrost-4-en-3-one 5.alpha. reductase inhibitors Grant 4,191,759 - Johnston , et al. March 4, 1	1980-03-04
Products and process Grant 3,887,583 - Wehrmeister , et al. June 3, 1	1975-06-03

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