Petrus A. Kramer

Person

Amsterdam, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of nitrophenylalkanols
- Patent number 4,497,966
- Issue date Feb 5, 1985
- Shell Oil Company
- Robert van Helden
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-dihalomethyl-3-oxabicyclo[3.1.0]he...
- Patent number 4,398,032
- Issue date Aug 9, 1983
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trihalomethylation of aldehydes
- Patent number 4,388,247
- Issue date Jun 14, 1983
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of dihalovinylcyclopropane carboxylic acid
- Patent number 4,375,557
- Issue date Mar 1, 1983
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxabicyclo[3.1.0]hexan-2-ones
- Patent number 4,346,038
- Issue date Aug 24, 1982
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of dihalovinyl compounds
- Patent number 4,335,253
- Issue date Jun 15, 1982
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihalomethylenelactone pyrethroid intermediates
- Patent number 4,332,730
- Issue date Jun 1, 1982
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of preparing dihalovinyl compounds
- Patent number 4,307,243
- Issue date Dec 22, 1981
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopropyl dihalo phosphites
- Patent number 4,305,890
- Issue date Dec 15, 1981
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1R, Cis 2,2-dihalovinyl-3,3-dimethylcyclopropylmethanol and ester d...
- Patent number 4,298,756
- Issue date Nov 3, 1981
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cis-lactone pyrethroid intermediates
- Patent number 4,294,765
- Issue date Oct 13, 1981
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trihalocyclopropyl carbonates
- Patent number 4,285,882
- Issue date Aug 25, 1981
- Shell Oil Company
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 2-formyl-3,3-dimethylcyclopropaneacetic acid
- Patent number 4,247,711
- Issue date Jan 27, 1981
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropylacetone pyrethroid inter...
- Patent number 4,242,279
- Issue date Dec 30, 1980
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropanecarbaldehyde dimethyl a...
- Patent number 4,230,891
- Issue date Oct 28, 1980
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 2-(2-acetyl-3-oxobutyl)-3,3-dimethylcyclopropanecarb...
- Patent number 4,219,504
- Issue date Aug 26, 1980
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of nitriles
- Patent number 4,180,520
- Issue date Dec 25, 1979
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of cyclopropanecarbonitriles
- Patent number 4,174,348
- Issue date Nov 13, 1979
- Shell Internationale Research Maatschappij B.V.
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of nitriles
- Patent number 4,132,728
- Issue date Jan 2, 1979
- Shell Oil Company
- Pieter A. Verbrugge
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cyclobutanones
- Patent number 4,028,418
- Issue date Jun 7, 1977
- Shell Oil Company
- Marinus J. van den Brink

Petrus A. Kramer

Person

Patents Grantslast 30 patents

Process for the preparation of nitrophenylalkanols

Process for the preparation of 4-dihalomethyl-3-oxabicyclo[3.1.0]he...

Trihalomethylation of aldehydes

Process for the preparation of dihalovinylcyclopropane carboxylic acid

Oxabicyclo[3.1.0]hexan-2-ones

Preparation of dihalovinyl compounds

Dihalomethylenelactone pyrethroid intermediates

Process of preparing dihalovinyl compounds

Cyclopropyl dihalo phosphites

1R, Cis 2,2-dihalovinyl-3,3-dimethylcyclopropylmethanol and ester d...

Cis-lactone pyrethroid intermediates

Trihalocyclopropyl carbonates

Preparation of 2-formyl-3,3-dimethylcyclopropaneacetic acid

2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropylacetone pyrethroid inter...

2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropanecarbaldehyde dimethyl a...

Preparation of 2-(2-acetyl-3-oxobutyl)-3,3-dimethylcyclopropanecarb...

Preparation of nitriles

Preparation of cyclopropanecarbonitriles

Preparation of nitriles

Process for the preparation of cyclobutanones