Inventor

Hans Greuter

Inventor

Eiken, CH

Overview

12→

Patents

1976–1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds50%

C07DHeterocyclic compounds25%

A01NPreservation of bodies of humans or animals or plants or parts thereof13%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes6%

PatentTitleYear

4,652,653'Process for the preparation of .beta.-(benzothiazolylthio)- and .beta.-(benzimidazolylthio)-carboxylic acid derivatives'1987 4,612,378'Process for the preparation of .beta.-(benzothiazolylthio)- and .beta.-(benzimidazolylthio-carboxylic acids'1986 4,335,057'4-(2\',2,2\'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases'1982 4,322,374'2,4,4,4-Tetrahalobutanoic acid halide'1982 4,299,967'Process for producing optically active 2-(2,2-dihalogenovinyl)-cyclopropane-1-carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2,2,2-trihalogenoethyl)-cyclobutane-1-sulfonic acid salts'1981 4,255,351'Sulfonic acid esters of 2,2,2-trichloroethylhydroxycyclobutanones'1981 4,242,278'Process for the preparation of 2-(2\',2\',2\'-trihalogenoethyl)-4-halogenocyclobutan-1-ones'1980 4,234,517'2-(2\',2\'-Dihalovinyl)-cyclobutanones and 2-(2\',2\',2\'-trihaloethyl)-cyclobutanones'1980 4,221,812'Pesticidal spiropentanecarboxylates'1980 4,130,656'Pesticidal 1-(phenyl)-cyclobutane-1-carboxylates'1978 4,061,644'Process for the production of 2-amino-3-hydroxypyridines'1977 3,957,878'Tricyclic ketones'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to HOFFMANN LA ROCHE (1)· patent assignee history

1976Based in Horgen, CH· patent location history

1977–1987Patents assigned to CIBA GEIGY CORP (11)· patent assignee history

1977–1986Based in Eiken, CH· patent location history

1981–1982Based in Cos Cob, CT, US· patent location history

1987Based in Gipf-Oberfrick, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CIBA GEIGY CORP	11	1977–1987
HOFFMANN LA ROCHE	1	1976

Locations

Location	Patents	Span
Eiken, CH	7	1977–1986
Cos Cob, CT, US	3	1981–1982
Gipf-Oberfrick, CH	1	1987
Horgen, CH	1	1976