Inventor

David Holland

Inventor

Runcorn, GB

Overview

10→

Patents

1977–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds21%

C07HSugars21%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium16%

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

A61KPreparations for medical, dental or toiletry purposes11%

A61QSpecific use of cosmetics or similar toiletry preparations11%

C07DHeterocyclic compounds5%

D06PDyeing or printing textiles5%

PatentTitleYear

6,485,734'Topical composition for the treatment of head lice and nits and method'2002 5,552,535'Multiple oligonucleotide containing oligomers and the cleanable linkers used in their preparation'1996 5,393,877'Linkers for the synthesis of multiple oligonucleotides in seriatim from a single support attachment'1995 4,350,811'Chiral sugar complexes'1982 4,332,962'Preparation of cyclopropane carboxylic acid esters'1982 4,310,329'Aqueous compositions for darkening keratinous materials'1982 4,288,387'Process for the preparation of cyclopropane carboxylic acid esters'1981 4,228,107'Polyhalogenated hydrocarbons, useful as insecticide intermediates, and methods for their preparation'1980 4,130,598'2,5-Dimethyl-2,4-hexadiene production'1978 4,056,574'Oxidative coupling process'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to ICI LTD (6)· patent assignee history

1977–1982Based in Runcorn, GB· patent location history

1982Patents assigned to COMBE INC (1)· patent assignee history

1982Based in Frodsham, GB· patent location history

1982Based in Dorking, GB· patent location history

1995–1996Patents assigned to ZENECA LTD (2)· patent assignee history

1995–1996Based in Macclesfield, GB· patent location history

2002Based in Camden, SC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ICI LTD	6	1977–1982
ZENECA LTD	2	1995–1996
COMBE INC	1	1982

Locations

Location	Patents	Span
Runcorn, GB	4	1977–1982
Macclesfield, GB	2	1995–1996
Camden, SC, US	1	2002
Frodsham, GB	1	1982
Dorking, GB	1	1982