Friedhelm Muller

Person

Odenthal, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Paper-coating slips containing fluorescent brighteners
- Patent number 4,888,128
- Issue date Dec 19, 1989
- Bayer Aktiengesellschaft
- Jochen Koll
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low-foam surface sizing agents for paper which contain copolymeric...
- Patent number 4,481,319
- Issue date Nov 6, 1984
- Bayer Aktiengesellschaft
- Gunter Sackmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Forgery-proof paper
- Patent number 4,478,681
- Issue date Oct 23, 1984
- Bayer Aktiengesellschaft
- Friedhelm Muller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cationic sizing agents for paper
- Patent number 4,418,175
- Issue date Nov 29, 1983
- Bayer Aktiengesellschaft
- Joachim Probst
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Surface-active phosphonic acid esters
- Patent number 4,385,000
- Issue date May 24, 1983
- Bayer Aktiengesellschaft
- Klaus Walz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyamines containing urea groups prepared from lactam or aminocarb...
- Patent number 4,384,110
- Issue date May 17, 1983
- Bayer Aktiengesellschaft
- Wilfried Lobach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyamines containing urea groups
- Patent number 4,348,514
- Issue date Sep 7, 1982
- Bayer Aktiengesellschaft
- Wilfried Lobach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cationic triazinylamino azo dyestuffs
- Patent number 4,333,874
- Issue date Jun 8, 1982
- Bayer Aktiengesellschaft
- Horst Nickel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyamines containing amide groups
- Patent number 4,319,019
- Issue date Mar 9, 1982
- Bayer Aktiengesellschaft
- Wolfgang Lehmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dyestuff solutions, their preparation and their use for dyeing paper
- Patent number 4,282,000
- Issue date Aug 4, 1981
- Bayer Aktiengesellschaft
- Manfred Groll
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Aqueous reaction of polyamine with alkylene dihalide in presence of...
- Patent number 4,254,255
- Issue date Mar 3, 1981
- Bayer Aktiengesellschaft
- Wilfried Lobach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyalkylenepolyamines containing quaternary dialkylammonium groups
- Patent number 4,250,112
- Issue date Feb 10, 1981
- Bayer Aktiengesellschaft
- Wilfried Lobach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyamines containing amide groups
- Patent number 4,250,298
- Issue date Feb 10, 1981
- Bayer Aktiengesellschaft
- Wolfgang Lehmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyamines containing amide groups
- Patent number 4,250,299
- Issue date Feb 10, 1981
- Bayer Aktiengesellschaft
- Wolfgang Lehmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dyestuff solutions of copper phthalocyanine derivatives for paper d...
- Patent number 4,198,203
- Issue date Apr 15, 1980
- Bayer Aktiengesellschaft
- Manfred Groll
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Production of zinc and alkaline earth metal titanates
- Patent number 4,173,485
- Issue date Nov 6, 1979
- Bayer Aktiengesellschaft
- Peter Woditsch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Polyamines containing acid groups that are useful in papermaking
- Patent number 4,166,002
- Issue date Aug 28, 1979
- Bayer Aktiengesellschaft
- Wolfgang Lehmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper-sizing agents
- Patent number 4,152,312
- Issue date May 1, 1979
- Bayer Aktiengesellschaft
- Gunter Sackmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of a substantially equimolecular copolym...
- Patent number 4,151,336
- Issue date Apr 24, 1979
- Bayer Aktiengesellschaft
- Gunter Sackmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Emulsions of resinic acid isocyanates as sizing agents for paper
- Patent number 4,113,506
- Issue date Sep 12, 1978
- Bayer Aktiengesellschaft
- Gunter Sackmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Friedhelm Muller

Person

Patents Grantslast 30 patents

Paper-coating slips containing fluorescent brighteners

Low-foam surface sizing agents for paper which contain copolymeric...

Forgery-proof paper

Cationic sizing agents for paper

Surface-active phosphonic acid esters

Polyamines containing urea groups prepared from lactam or aminocarb...

Polyamines containing urea groups

Cationic triazinylamino azo dyestuffs

Polyamines containing amide groups

Dyestuff solutions, their preparation and their use for dyeing paper

Aqueous reaction of polyamine with alkylene dihalide in presence of...

Polyalkylenepolyamines containing quaternary dialkylammonium groups

Polyamines containing amide groups

Polyamines containing amide groups

Dyestuff solutions of copper phthalocyanine derivatives for paper d...

Production of zinc and alkaline earth metal titanates

Polyamines containing acid groups that are useful in papermaking

Paper-sizing agents

Process for the production of a substantially equimolecular copolym...

Emulsions of resinic acid isocyanates as sizing agents for paper