Inventor
VERBRUGGE PIETER A
NL26 patents
⚠️ This page may combine multiple inventors who share the name “VERBRUGGE PIETER A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
24 patentsUS4285882AAug 25, 1981
Trihalocyclopropyl carbonates
SHELL OIL CO5 citations73
US4056509ANov 1, 1977
Preparation of benzyl cyanides
SHELL OIL CO9 citations71
US4388247AJun 14, 1983
Trihalomethylation of aldehydes
SHELL OIL CO1 citations62
US4305890ADec 15, 1981
Cyclopropyl dihalo phosphites
SHELL OIL CO1 citations62
US4298756ANov 3, 1981
1R, Cis 2,2-dihalovinyl-3,3-dimethylcyclopropylmethanol and ester derivatives
SHELL OIL CO2 citations62
US4294765AOct 13, 1981
Cis-lactone pyrethroid intermediates
SHELL OIL CO3 citations62
US4247711AJan 27, 1981
Preparation of 2-formyl-3,3-dimethylcyclopropaneacetic acid
SHELL OIL CO4 citations62
US4242279ADec 30, 1980
2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropylacetone pyrethroid intermediates
SHELL OIL CO3 citations62
US4132728AJan 2, 1979
Preparation of nitriles
SHELL OIL CO4 citations62
US4239707ADec 16, 1980
Novel 8-substituted bicyclo(3,2,)-octanes
SHELL OIL CO2 citations61
US4230891AOct 28, 1980
2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropanecarbaldehyde dimethyl acetal
SHELL OIL CO2 citations60
US4036887AJul 19, 1977
Preparation of 3-bromobenzaldehyde
SHELL OIL CO3 citations60
US4012430AMar 15, 1977
Process for the preparation of cyclopropane derivatives
SHELL OIL CO6 citations60
US4008287AFeb 15, 1977
Process for the preparation of cyclopropane derivatives
SHELL OIL CO6 citations60
US4812581AMar 14, 1989
Catalytic hydrogenolysis
SHELL OIL CO2 citations59
US4855452AAug 8, 1989
N-substituted azetidine carboxylate derivatives
SHELL OIL CO4 citations58
US4025562AMay 24, 1977
Process for the preparation of macrocyclic ketones
SHELL OIL CO3 citations54
US4554109ANov 19, 1985
Esters of 1,5-dimethyl bicyclo [3.2.1] octan-8-ol
SHELL OIL CO0 citations51
US4307243ADec 22, 1981
Process of preparing dihalovinyl compounds
SHELL OIL CO1 citations51
US4219504AAug 26, 1980
Preparation of 2-(2-acetyl-3-oxobutyl)-3,3-dimethylcyclopropanecarbaldehyde
SHELL OIL CO0 citations51
US4180520ADec 25, 1979
Preparation of nitriles
SHELL OIL CO1 citations51
US4042616AAug 16, 1977
Preparation of cyclopropanecarboxylates
SHELL OIL CO0 citations49
US4778577AOct 18, 1988
Process for preparing azetidine derivatives; and intermediates therein
SHELL OIL CO0 citations48
US4421935ADec 20, 1983
Process for the preparation of bicyclo [2.2.] heptene derivatives
SHELL OIL CO0 citations41