Inventor

Robert A. Slater

Inventor

Letchworth, GB

Overview

1976–1991

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C07Dprimary

C07DHeterocyclic compounds43%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%

C07CAcyclic or carbocyclic compounds14%

A61KPreparations for medical, dental or toiletry purposes11%

Y02PClimate change mitigation technologies in the production or processing of goods5%

B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls3%

B21JForging3%

PatentTitleYear

4,997,847'Biologically active compounds'1991 4,981,873'Substituted sulphonamides, pharmaceuticals thereof and methods of using them'1991 4,946,842'Novel guanidino pyridazinones as cardiac stimulants'1990 4,820,819'5-phenyl-3[2H]-pyridazinone derivatives'1989 4,812,573'Pharmaceutically active compounds'1989 4,678,786'Pharmaceutical compositions having .beta.-adrenoceptor antagonist activity employing pyridazinone derivatives'1987 4,657,906'Heterocyclic compounds having inotropic activity'1987 4,654,342'6-(cyanoguanidinophenyl)pyridazinones as cardiac stimulants'1987 4,652,563'Vasodilators and .beta.-adrenoceptor antagonists'1987 4,632,924'5-(4-substituted)phenyl-2-pyrazinones'1986 4,556,711'5-(4-Amino or acylaminophenyl)-2(1H)-pyrazinones having inotropic activity'1985 4,313,332'Rotary forging machine'1982 4,111,936'Pyridazinethiones'1978 4,111,935'3-Chloro-6-phenylpyridazine compounds'1978 4,082,843'3-(3-(3-Substituted amino-2-hydroxypropoxy)phenyl)-6-hydrazino pyridazines and their use as vasodilators and .beta.-adrenergic blocking agents'1978 4,053,601'3-Substituted-phenyl-6-hydrazine pyridazines'1977 4,011,321'Pharmaceutical compositions and methods of inhibiting .beta.-adrenergic receptors'1977 3,966,946'1,4-Dihydropyridine compounds in treating hypertension'1976 3,931,177'6-(3-Substituted amino-2-hydroxypropoxyaryl)-4,5-dihydro-3(2H)-pyridazinones'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to SMITH KLINE FRENCH LAB (16)· patent assignee history

1976Patents assigned to SMITH KLINE & FRENCH LAB INC (1)· patent assignee history

1976–1991Based in Letchworth, GB· patent location history

1982Patents assigned to UNIV CITY (1)· patent assignee history

1982Based in London, GB· patent location history

1991Patents assigned to BOEHRINGER MANNHEIM GMBH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SMITH KLINE FRENCH LAB	16	1976–1991
BOEHRINGER MANNHEIM GMBH	2	1991
SMITH KLINE & FRENCH LAB INC	1	1976
UNIV CITY	1	1982

Locations

Location	Patents	Span
Letchworth, GB	18	1976–1991
London, GB	1	1982