Inventor

Derek A. Wood

Inventor

Sittingbourne, GB

Overview

14→

Patents

1977–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds44%

C07DHeterocyclic compounds28%

A01NPreservation of bodies of humans or animals or plants or parts thereof11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

G01SRadio direction-finding6%

G05DSystems for controlling or regulating non-electric variables6%

PatentTitleYear

6,804,607'Collision avoidance system and method utilizing variable surveillance envelope'2004 4,927,945'Process for preparing diphenyl ethers'1990 4,639,334'Preparation of 1-benzylazetidine-3-ol derivatives'1987 4,634,554'N-benzyl,3-hydroxymethyl and 3-alkanoyloxymethyl azetidine derivatives'1987 4,483,856'Insecticidal N-substituted-2-(nitromethylene)-tetrahydro-2H-1,3-thiazines'1984 4,427,598'Process for preparing cyclopropane carboxylic acid ester derivatives'1984 4,409,150'Preparation of cyanobenzyl cyclopropane carboxylates'1983 4,228,081'Separation of isomers'1980 4,118,413'Preparation of phenoxybenzyl esters'1978 4,110,360'Preparation of esters'1978 4,085,147'Preparation of meta-aryloxy-benzaldehydes'1978 4,061,664'Preparation of phenoxybenzyl esters'1977 4,010,190'Precursors for insecticides'1977 4,010,087'Process for preparing 3-phenoxybenzyl bromide'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to SHELL OIL CO (10)· patent assignee history

1977–1990Based in Sittingbourne, GB· patent location history

1983–1990Patents assigned to SHELL INT RESEARCH (3)· patent assignee history

1984Based in Kent, GB· patent location history

2004Based in Woodinville, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHELL OIL CO	10	1977–1987
SHELL INT RESEARCH	3	1983–1990

Locations

Location	Patents	Span
Sittingbourne, GB	12	1977–1990
Woodinville, Washington, US	1	2004
Kent, GB	1	1984