P

Inventor

LEHMANN URS

CH47 patents
⚠️ This page may combine multiple inventors who share the name “LEHMANN URS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIBA SC HOLDING AG

19 patents
US6521032B1Feb 18, 2003

Magenta inks comprising copper complex azo dyes based on 1-naphthol-di- or tri-sulfonic acids

CIBA SC HOLDING AG37 citations92
US6063137AMay 16, 2000

Process for dyeing or printing and novel reactive dyes

CIBA SC HOLDING AG19 citations92
US5849887ADec 15, 1998

Mixtures of reactive dyes and their use

CIBA SC HOLDING AG38 citations92
US6281339B1Aug 28, 2001

Addition products of acryloylamino-substituted dyes, and the preparation and use thereof

CIBA SC HOLDING AG15 citations84
US5989298ANov 23, 1999

Mixtures of reactive dyes and their use

CIBA SC HOLDING AG17 citations84
US5779740AJul 14, 1998

Process for dichromatic or trichromatic dyeing or printing

CIBA SC HOLDING AG14 citations81
US6849315B2Feb 1, 2005

Fast-writable and precision-writable high-capacity optical storage media

CIBA SC HOLDING AG7 citations73
US6265554B1Jul 24, 2001

Copper complex azo dyes, their preparation and their use

CIBA SC HOLDING AG14 citations73
US5760195AJun 2, 1998

Monoazo triazinyl group-containing fiber reactive dyes, processes for their preparation and their use

CIBA SC HOLDING AG10 citations73
US5760194AJun 2, 1998

Monoazotriaziayl group-containing fiber reactive dyes, processes for their preparation and their use

CIBA SC HOLDING AG12 citations73
US5944855AAug 31, 1999

Process for dichromatic or trichromatic dyeing or printing

CIBA SC HOLDING AG10 citations72
US6241789B1Jun 5, 2001

Process for dyeing or printing and novel reactive dyes

CIBA SC HOLDING AG12 citations71
US6500247B1Dec 31, 2002

Black-dyeing inks and their use

CIBA SC HOLDING AG10 citations68
US7144451B2Dec 5, 2006

Method of printing sheet-form substrates by the inkjet printing process

CIBA SC HOLDING AG2 citations63
US7754863B2Jul 13, 2010

High-capacity optical storage media

CIBA SC HOLDING AG5 citations62
US5973147AOct 26, 1999

Process for dichromatic or trichromatic dyeing or printing

CIBA SC HOLDING AG2 citations61
US7057024B2Jun 6, 2006

Black-dyeing inks and their use

CIBA SC HOLDING AG0 citations52
US6551364B2Apr 22, 2003

Dye mixtures, 1:2 cobalt complex formazan dyes and their use

CIBA SC HOLDING AG0 citations52
US6428582B1Aug 6, 2002

Dye mixtures, 1:2 cobalt complex formazan dyes and their use

CIBA SC HOLDING AG0 citations41

CIBA GEIGY CORP

13 patents
US4960870AOct 2, 1990

Heavy metal complex azo dyes containing a benzothiophene-1,1-dioxide, 2,1-benzothiazine-2,2-dioxide, 1,4-benzothiazine-1,1-dioxide or thienopyridine-1,1-dioxide coupling component

CIBA GEIGY CORP21 citations82
US5023274AJun 11, 1991

Fibre-reactive formazan dyes containing β-halogenethyl or vinylsulfonyl-alkanoylamino fiber-reactive groups

CIBA GEIGY CORP10 citations74
US4994562AFeb 19, 1991

Fiber-reactive formazan dyes containing α,β-dihalopropionylamino, α-haloacryloylamino or haloacetilamine

CIBA GEIGY CORP7 citations74
US5037449AAug 6, 1991

Reactive dyes, their preparation and use

CIBA GEIGY CORP8 citations73
US5112958AMay 12, 1992

Fibre-reactive formazan dyes containing β-chloroethylsulfonyl or vinylsulfonyl bonded via phenylaminotriazinylamino

CIBA GEIGY CORP3 citations63
US5076811ADec 31, 1991

Fibre-reactive formazane dyes containing β-sulfatoethylsulfonyl bonded via phenylaminotriazinylamino bridge members

CIBA GEIGY CORP5 citations63
US5667534ASep 16, 1997

Dye mixtures comprising 1:2 chromium complex dyes, and 1:2 chromium complex dyes

CIBA GEIGY CORP3 citations62
US5504227AApr 2, 1996

Anthraquinone dyes, process for their preparation and the use thereof

CIBA GEIGY CORP3 citations62
US5298036AMar 29, 1994

Mixture of disazo dyes containing sulfo-substituted 1,4-naphthalene middle components

CIBA GEIGY CORP2 citations62
US4999027AMar 12, 1991

Process for trichromatic dyeing or printing

CIBA GEIGY CORP6 citations62
US4830763AMay 16, 1989

Process for increasing the degree of whiteness of polyester-containing textile material

CIBA GEIGY CORP2 citations62
US5690699ANov 25, 1997

Azo dye mixtures and their use

CIBA GEIGY CORP2 citations61
US5114430AMay 19, 1992

Process for trichromatic dyeing or printing of natural and synthetic polyamide material with fibre-reactive formazan dyes and fibre-reactive azo dyes

CIBA GEIGY CORP0 citations52

BASF SE

5 patents

KERN AG

3 patents

MAMAK MARC ANDREW

1 patent

REICHELT HELMUT

1 patent

MAMAK MARC

1 patent

HAYOZ PASCAL

1 patent

GIBA SPECIALTY CHEMICALS CORP

1 patent

BACHER JEAN-PIERRE

1 patent

LEHMANN URS

1 patent