Inventor

David Lacey

Inventor

Hull, GB

Overview

39→

Patents

1982–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 39 as inventor

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

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere54%

C07CAcyclic or carbocyclic compounds23%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%

C07DHeterocyclic compounds7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein1%

G11BInformation storage based on relative movement between record carrier and transducer1%

Y10TTechnical subjects covered by former us classification1%

PatentTitleYear

6,511,612'Liquid crystal polymers'2003 6,180,024'Liquid crystal polymers'2001 6,099,752'Liquid crystal polymers'2000 6,060,133'Polysiloxanes'2000 6,030,668'Liquid crystal polymers'2000 5,968,411'Liquid crystal polymers'1999 5,773,179'Liquid crystal polymers'1998 5,676,878'Liquid crystal polymers'1997 5,486,309'Chiral liquid crystal compounds'1996 5,478,496'Media containing thiazole derivatives and thiadiazole derivatives and having a smectic liquid-crystalline phase'1995 5,456,859'Liquid crystal cyanoalkanes and cyanoalkenes'1995 5,384,071'Chiral liquid crystal compounds'1995 5,358,663'Laterally cyano- and fluoro-substituted terphenyls'1994 5,334,327'Laterally fluorinated 4-cyanophenyl and 4\'-cyanobiphenyl benzoates'1994 5,312,563'Fluorinated 4\"-cyano substituted terphenyls'1994 5,273,680'Fluorinated oligophenyls and their use in liquid crystal materials'1993 5,262,081'Liquid crystalline polyesters for optical data storage'1993 5,259,987'Liquid crystal materials'1993 5,252,253'Phenyl naphthalenes having liquid crystalline properties'1993 5,232,625'Cyano-alicyclic esters in liquid crystal compositions'1993 5,167,862'Alpha-hydroxy carboxylic acid derivates suitable for use in liquid crystal materials and devices'1992 5,156,763'Laterally fluorinated 4-cyanophenyl and 4\'-cyanobiphenyl benzoates'1992 5,147,577'Cyano-alicyclic esters in liquid crystal compositions'1992 5,037,576'Liquid crystal compounds, mixtures and devices'1991 5,002,692'Amide liquid crystal compounds: mixtures and devices using them'1991 4,941,992'N-substituted amino acid derivatives for use in liquid crystal materials and devices'1990 4,923,633'Liquid crystal compounds containing two or more chiral centers'1990 4,913,837'Heterocyclic compounds'1990 4,904,066'Electro-optical devices using liquid crystal polymers'1990 4,852,977'19 -hydroxy carboxylic acid derivatives suitable for use in liquid crystal materials and devices'1989 4,824,217'Compounds for ferroelectric liquid crystal devices'1989 4,784,793'Terpenoid derivatives and liquid crystal materials and devices containing them'1988 4,696,549'Compounds containing a fluorobiphenylyl group and their use in liquid crystal material and devices'1987 4,695,131'Disubstituted ethanes and their use in liquid crystal materials and devices'1987 4,659,502'Ethane derivatives'1987 4,594,465'Compounds containing a fluorobiphenylyl group'1986 D0281384'Kitchen cutting board'1985 4,542,230'Liquid crystals esters'1985 4,366,330'Intermediates useful in the production of liquid crystal compounds'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1985Based in Cottingham, GB· patent location history

1985–2001Patents assigned to SECR DEFENCE BRIT (25)· patent assignee history

1985Based in Deerfield, IL, US· patent location history

1986–1995Patents assigned to MERCK PATENT GMBH (5)· patent assignee history

1986–2001Based in Hull, GB· patent location history

1987–1992Patents assigned to GRAY GEORGE W (2)· patent assignee history

1987–1992Patents assigned to LACEY DAVID (2)· patent assignee history

1987Based in Hull Humberside, GB· patent location history

1990–1993Patents assigned to GEN ELECTRIC CO PLC (2)· patent assignee history

1990–2003Based in North Humberside, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SECR DEFENCE BRIT	25	1985–2001
MERCK PATENT GMBH	5	1986–1995
GEN ELECTRIC CO PLC	2	1990–1993
GRAY GEORGE W	2	1987–1992
LACEY DAVIDself	2	1987–1992

Locations

Location	Patents	Span
Hull, GB	25	1986–2001
North Humberside, GB	10	1990–2003
Cottingham, GB	2	1982–1985
Hull Humberside, GB	1	1987
Deerfield, Illinois, US	1	1985