John Krenzer

Person

Oak Park, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
2-(2,5-difluorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5 diones
- Patent number 4,758,263
- Issue date Jul 19, 1988
- Sandoz Ltd.
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical agents
- Patent number 4,677,204
- Issue date Jun 30, 1987
- The United States of America as represented by the Secretary of the Army
- Harold Z. Sommer
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Aminosulfonylthiadiazolylureas
- Patent number 4,255,182
- Issue date Mar 10, 1981
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted oxadiazolidine-3,5-diones
- Patent number 4,190,431
- Issue date Feb 26, 1980
- Velsicol Chemical Corporation
- John Krenzer
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
1-Thiadiazolyl-5-acylimidazolidinones
- Patent number 4,167,407
- Issue date Sep 11, 1979
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiazolyl-5-acyloxyimidazolidinones
- Patent number 4,118,390
- Issue date Oct 3, 1978
- Velsicol Chemical Company
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiazolyl-5-hydroxyimidazolidinones
- Patent number 4,116,969
- Issue date Sep 26, 1978
- Velsicol Chemical Company
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiadiazolylimidazolidinone esters of tetrahydrofuryl substituted a...
- Patent number 4,111,949
- Issue date Sep 5, 1978
- Velsicol Chemical Company
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiazolylimidazolidinone esters of furyl and thienyl substituted acids
- Patent number 4,097,485
- Issue date Jun 27, 1978
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal thiadiazolylimidazolidinone ester
- Patent number 4,097,486
- Issue date Jun 27, 1978
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiadiazolylimidazolidinones
- Patent number 4,093,443
- Issue date Jun 6, 1978
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzothiazolylimidazolidinone esters of furyl and thienyl substitut...
- Patent number 4,086,241
- Issue date Apr 25, 1978
- Velsicol Chemical Corporation
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiazolyl-5-phenoxy and phenylthioalkanoyloxyimidazolidinones
- Patent number 4,086,240
- Issue date Apr 25, 1978
- Velsicol Chemical Corporation
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiadiazolyl-4-methoxymethyl-5-hydroxyimidazolidinones
- Patent number 4,086,238
- Issue date Apr 25, 1978
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
New thiadiazolylimidazolidinone ester
- Patent number 4,063,924
- Issue date Dec 20, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain 5-acyloxy-1-thiadiazolyl-2-oxoimidazolidine compounds
- Patent number 4,061,648
- Issue date Dec 6, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiaoiazolyltetrahydropyrimidinone herbicides
- Patent number 4,056,383
- Issue date Nov 1, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Benzothiazolyl-5-acyloxyimidazolidinones
- Patent number 4,055,569
- Issue date Oct 25, 1977
- Velsicol Chemical Corporation
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Benzothiazolyl-5-amino-imidazolidinones
- Patent number 4,054,574
- Issue date Oct 18, 1977
- Velsicol Chemical Corporation
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal compositions containing 1-thiadiazolyl-6-carbamoyloxytet...
- Patent number 4,053,298
- Issue date Oct 11, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiadiazolyl-5-phenoxy- and phenylthioalkanoyloxy imidazolidinones
- Patent number 4,053,480
- Issue date Oct 11, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiadiazolyl-5-alkyl- and arylaminoimidazolidinones
- Patent number 4,052,191
- Issue date Oct 4, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(5-T-Butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-nonanoyloxy-1,3-imid...
- Patent number 4,052,192
- Issue date Oct 4, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(5-T-BUTYL-1,3,4-THIADIAZOL-2-YL)-3-METHYL-5-OCTANOYLOXY-1,3-IMID...
- Patent number 4,052,193
- Issue date Oct 4, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Thiazolyl-5-pyridylcarbonyloxyimidazolidinones
- Patent number 4,046,768
- Issue date Sep 6, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dialkyl acetals of anilinoacetaldehydes
- Patent number 4,046,554
- Issue date Sep 6, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Benzothiazolyl-5-pyridylcarbonyloxyimidazolidinones
- Patent number 4,045,446
- Issue date Aug 30, 1977
- Velsicol Chemical Corporation
- Chin Ching Wu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiadiazolyl and cycloimino imidazolidinones
- Patent number 4,043,795
- Issue date Aug 23, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal carbonates and thiocarbonates of thiadiazolyl-2(1H)-pyri...
- Patent number 4,040,812
- Issue date Aug 9, 1977
- Velsicol Chemical Corporation
- John Krenzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal compositions and methods employing N-.alpha.-chloroacety...
- Patent number 4,039,314
- Issue date Aug 2, 1977
- Velsicol Chemical Corporation
- Sidney B. Richter
- C07 - ORGANIC CHEMISTRY

John Krenzer

Person

Patents Grantslast 30 patents

2-(2,5-difluorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5 diones

Chemical agents

Aminosulfonylthiadiazolylureas

Substituted oxadiazolidine-3,5-diones

1-Thiadiazolyl-5-acylimidazolidinones

1-Thiazolyl-5-acyloxyimidazolidinones

1-Thiazolyl-5-hydroxyimidazolidinones

Thiadiazolylimidazolidinone esters of tetrahydrofuryl substituted a...

Thiazolylimidazolidinone esters of furyl and thienyl substituted acids

Herbicidal thiadiazolylimidazolidinone ester

Thiadiazolylimidazolidinones

Benzothiazolylimidazolidinone esters of furyl and thienyl substitut...

1-Thiazolyl-5-phenoxy and phenylthioalkanoyloxyimidazolidinones

1-Thiadiazolyl-4-methoxymethyl-5-hydroxyimidazolidinones

New thiadiazolylimidazolidinone ester

Certain 5-acyloxy-1-thiadiazolyl-2-oxoimidazolidine compounds

Thiaoiazolyltetrahydropyrimidinone herbicides

1-Benzothiazolyl-5-acyloxyimidazolidinones

1-Benzothiazolyl-5-amino-imidazolidinones

Herbicidal compositions containing 1-thiadiazolyl-6-carbamoyloxytet...

1-Thiadiazolyl-5-phenoxy- and phenylthioalkanoyloxy imidazolidinones

1-Thiadiazolyl-5-alkyl- and arylaminoimidazolidinones

1-(5-T-Butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-nonanoyloxy-1,3-imid...

1-(5-T-BUTYL-1,3,4-THIADIAZOL-2-YL)-3-METHYL-5-OCTANOYLOXY-1,3-IMID...

1-Thiazolyl-5-pyridylcarbonyloxyimidazolidinones

Dialkyl acetals of anilinoacetaldehydes

1-Benzothiazolyl-5-pyridylcarbonyloxyimidazolidinones

Thiadiazolyl and cycloimino imidazolidinones

Herbicidal carbonates and thiocarbonates of thiadiazolyl-2(1H)-pyri...

Herbicidal compositions and methods employing N-.alpha.-chloroacety...