Richard Sommer

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Metal complex pigments
- Patent number 6,350,307
- Issue date Feb 26, 2002
- Bayer Aktiengesellschaft
- Frank Linke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Mono- and dipotassium salts of azo compounds
- Patent number 6,281,338
- Issue date Aug 28, 2001
- Bayer Aktiengesellschaft
- Richard Sommer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pigment preparations
- Patent number 6,261,358
- Issue date Jul 17, 2001
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of a substituted 2-amino-1-sulphonaphth...
- Patent number 5,502,173
- Issue date Mar 26, 1996
- Bayer Aktiengesellschaft
- Horst Ja/ ger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous reaction of halogenopyrimidines with amines
- Patent number 5,420,255
- Issue date May 30, 1995
- Bayer Aktiengesellschaft
- Siegbert Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous reaction of difluorotriazinyl compounds...
- Patent number 5,332,813
- Issue date Jul 26, 1994
- Bayer Aktiengesellschaft
- Manfred Hoppe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monoazo dyestuffs containing diazo component substituted by disulfi...
- Patent number 4,243,584
- Issue date Jan 6, 1981
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phenylazopyrazolo dyestuffs including disulfimide substituent
- Patent number 4,159,265
- Issue date Jun 26, 1979
- Bayer Aktiengesellschaft
- Richard Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs
- Patent number 4,119,623
- Issue date Oct 10, 1978
- Bayer Aktiengesellschaft
- Herbert Hugl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Richard Sommer

Person

Patents Grantslast 30 patents

Metal complex pigments

Mono- and dipotassium salts of azo compounds

Pigment preparations

Process for the preparation of a substituted 2-amino-1-sulphonaphth...

Process for the continuous reaction of halogenopyrimidines with amines

Process for the continuous reaction of difluorotriazinyl compounds...

Monoazo dyestuffs containing diazo component substituted by disulfi...

Phenylazopyrazolo dyestuffs including disulfimide substituent

Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs