Inventor

Hans Bosshard

Inventor

Basel, CH

Overview

18→

Patents

1976–1991

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C07Dprimary

C07DHeterocyclic compounds37%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments13%

C07CAcyclic or carbocyclic compounds10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%

B66BElevators7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%

C03CChemical composition of glasses, glazes or vitreous enamels3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%

PatentTitleYear

5,074,886'Dyeing or printing of acid-treated glass fibers with anionic dye and cationic compound'1991 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 4,480,106'Process for the preparation of asymmetrically substituted maleic anhydrides, and asymmetrically substituted maleic anhydrides'1984 4,463,142'Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers'1984 4,411,337'Group control for elevators'1983 4,399,259'Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers'1983 4,355,705'Group control for elevators'1982 4,323,701'Process for the preparation of indenonecarboxylic acids'1982 4,304,919'Process for the production of asymmetrical thioindigo compounds'1981 4,260,544'Halogenomethylene-indoxyls'1981 4,260,545'N-Substituted halogenomethyleneindoxyls'1981 4,185,110'Certain benzofuryl or benzothienyl-2-glyoxylic acid compounds'1980 4,154,739'3-Oxobenzothiophenyl-idenyl, halo-acetic acids'1979 4,154,743'3-Oxobenzofuranyl-2-idenyl, haloacetic acids'1979 4,096,154'Process for the manufacture of compounds containing vinyl groups'1978 4,016,203'Process for the manufacture of compounds containing vinyl groups'1977 3,956,345'Anthraquinone dyestuffs which are sparingly soluble in water, and their manufacture and use'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to CIBA GEIGY AG (1)· patent assignee history

1976–1987Based in Basel, CH· patent location history

1977–1991Patents assigned to CIBA GEIGY CORP (15)· patent assignee history

1982–1983Patents assigned to INVENTIO AG (2)· patent assignee history

1982–1983Based in Wurenlos, CH· patent location history

1991Patents assigned to FRENZELIT WERKE GMBH & CO (1)· patent assignee history

1991Based in Allschwil, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CIBA GEIGY CORP	15	1977–1991
INVENTIO AG	2	1982–1983
CIBA GEIGY AG	1	1976
FRENZELIT WERKE GMBH & CO	1	1991

Locations

Location	Patents	Span
Basel, CH	15	1976–1987
Wurenlos, CH	2	1982–1983
Allschwil, CH	1	1991