Inventor

Hans-Peter Baumann

Inventor

Ettingen, CH

Overview

56→

Patents

1976–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 56 as inventor

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

D06Pprimary

D06PDyeing or printing textiles22%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

C07DHeterocyclic compounds11%

B41MPrinting, duplicating, marking, or copying processes10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

C07CAcyclic or carbocyclic compounds5%

C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing3%

D21HPulp compositions3%

A01NPreservation of bodies of humans or animals or plants or parts thereof1%

PatentTitleYear

5,942,010'Dyeing process and auxiliary'1999 5,621,148'Condensates and their use as oxyalkylation adjuvants'1997 5,554,199'Dyeing process and auxiliary'1996 5,470,355'Organic compounds'1995 5,443,598'Dyeing assistants and their use'1995 5,426,192'Chromogenic lactam compounds, their preparation and their use'1995 5,405,980'Condensates and their use as oxyalkylation adjuvants'1995 5,362,872'Chromogenic lactams'1994 5,329,006'Chromogenic lactam compounds, their preparation and their use'1994 5,252,104'Products of reacting an alkylene oxide with a condensate of formaldehyde, an alkylphenol and an amine'1993 5,250,079'Process for the treatment of polyamide or leather substrates with sulpho group-containing aromatic compounds, compositions containing such compounds and their production'1993 5,248,430'Metalized ammonium salts of condensates of sulpho group containing aromatic compounds with dihydroxydiphenyl-sulphone'1993 5,207,802'Sulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leather'1993 4,957,847'Heat-sensitive cyclic diazo compound containing recording material with benzotriazine compound and coupling component'1990 4,797,131'Use of certain quaternary ammonium compounds in dyeing leather with basic dyestuffs'1989 4,657,957'Binding agent aqueous dispersions having improved coagulation properties'1987 4,649,982'Lift-safety for venetian blinds'1987 4,588,448'Process for sealing anodically oxidized aluminium or aluminium alloy surfaces'1986 4,582,649'Phenolamines'1986 4,560,744'Azo dye 2:1-chromium complexes'1985 4,544,738'Reactive pyrazole group containing monoazo dye'1985 4,537,955'Unsymmetrical 1:2 chromium complex of a monoazo dyestuff and a disazo dyestuff which is non-fiber reactive and contains no sulfonamido or amino groups'1985 4,516,979'Polybenzoates as disperse dyeing assistants'1985 4,511,506'Reactive bis-triazinyl stilbene dyes'1985 4,489,002'Azo compound and an azomethine compound and having a tertiary N-dative bond'1984 4,475,920'Method for obtaining improved dyeings on polyamide'1984 4,464,180'Compositions and method for dyeing or printing with disperse dyes'1984 4,441,884'Quaternary ammonium compounds and their use as dyeing assistants for polyamide fibers'1984 4,431,584'Triazinyl reactive dyes containing a 1-naphtol-4,8-disulfonic acid component'1984 4,424,153'1:2 Chromium complex dyes containing sulfonic acid groups'1984 4,386,037'Sulphonic acids of tolyl ether sulphones'1983 4,350,493'Carrier composition for disperse dyes'1982 4,345,073'7,7\'-Diamino derivatives of 2,2\'-spirodibenzopyranes'1982 4,335,259'Quaternized polyamines'1982 4,316,027'7,7\'-Diamino derivatives of 2,2\'-spirodibenzopyranes'1982 4,297,296'Quaternized polyamines'1981 4,280,955'Sulfo, chloro phenolazoacetoacetylbenzamide dyes'1981 4,264,494'Chromium complex dyestuffs for natural polyamides and synthetic nylons'1981 4,229,172'Disperse dyeing of polyester with benzalketo derivatives as carriers: benzalacetone, methyl cinnamate etc.'1980 4,220,449'Quaternated polyamine salts'1980 4,212,801'Unsymmetrical 1:2-chromium complexes containing an azo and an azomethine bond'1980 4,184,843'Composition for dyeing hair containing disperse dyes and a thickening agent'1980 4,161,589'Spirodipyrans'1979 4,147,509'Pressure-sensitive recording material'1979 4,130,589'Oxyalkylated alkyl polyamines as defoaming agents'1978 4,119,622'Pyrazolonylazoaniline or aminonaphtyl compounds for copying processes'1978 4,110,348'7,7\'-Diamino derivatives of 2,2\'-spirodibenzopyranes'1978 4,102,879'Unsymmetrical azomethine 1:2-chromium complex dyes'1978 4,060,387'Aromatic carboxylic acid esters and amides as fixing agents'1977 4,052,374'Unsymmetrical 1:2-chromium complexes containing an azo compound and an azomethine compound'1977 4,029,677'Spirodipyrans useful as dye precursors for copying processes'1977 3,985,376'Dye precursors for pressure-sensitive recording material'1976 3,976,427'Organic compounds'1976 3,971,821'Production of aminobenzaldehydes'1976 3,971,808'Spirodipyrans and chromogenic materials for copying processes'1976 3,950,419'Aromatic carboxylic acid esters and amides as fixing agents'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1997Patents assigned to SANDOZ LTD (25)· patent assignee history

1976–1985Patents assigned to BASF AG (22)· patent assignee history

1976–1980Patents assigned to SANDOZ AG (2)· patent assignee history

1976–1978Based in Ludwigshafen, DE· patent location history

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

1978–1999Based in Ettingen, CH· patent location history

1978–1985Based in Wachenheim, DE· patent location history

1987Patents assigned to BAUMANN ROLLADEN (1)· patent assignee history

1990–1995Patents assigned to CIBA GEIGY CORP (4)· patent assignee history

1990–1995Based in Oberwil, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANDOZ LTD	25	1976–1997
BASF AG	22	1976–1985
CIBA GEIGY CORP	4	1990–1995
SANDOZ AG	2	1976–1980
BAUMANN ROLLADEN	1	1987

Locations

Location	Patents	Span
Ettingen, CH	22	1978–1999
Wachenheim, DE	16	1978–1985
Ludwigshafen, DE	6	1976–1978
Oberwil, CH	4	1990–1995
Allschwil, CH	4	1976–1987