Fritz Puchner

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Wet-strength agent with low DCP content
- Patent number 6,576,687
- Issue date Jun 10, 2003
- Bayer Aktiengesellschaft
- Karl-Rudolf Gassen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optically brightened plastics for optically brightening paper-coati...
- Patent number 6,387,296
- Issue date May 14, 2002
- Bayer Aktiengesellschaft
- Udo Eckstein
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pigment preparations useful for ink-jet printing
- Patent number 6,245,138
- Issue date Jun 12, 2001
- Bayer Aktiengesellschaft
- Roger Nyssen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pigment preparations useful for ink-jet printing
- Patent number 6,077,339
- Issue date Jun 20, 2000
- Bayer Aktiengesellschaft
- Roger Nyssen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Chlorine-free multifunctional resins for paper finishing
- Patent number 5,739,249
- Issue date Apr 14, 1998
- Bayer Aktiengesellschaft
- Jurgen Reiners
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chlorine-free multifunctional resins for paper finishing
- Patent number 5,503,714
- Issue date Apr 2, 1996
- Bayer Aktiengesellschaft
- Jurgen Reiners
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the preparation of polycondensates
- Patent number 5,434,222
- Issue date Jul 18, 1995
- Bayer Aktiengesellschaft
- Jurgens Reiners
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Pigment printing on fibre materials
- Patent number 5,344,620
- Issue date Sep 6, 1994
- Bayer Aktiengesellschaft
- Jurgen Reiners
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for sizing paper
- Patent number 5,314,721
- Issue date May 24, 1994
- Bayer Aktiengesellschaft
- Michael Muller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Paper size
- Patent number 5,258,466
- Issue date Nov 2, 1993
- Bayer Aktiengesellschaft
- Gunter Sackmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the preparation of concentrated dyestuff solutions
- Patent number 4,163,012
- Issue date Jul 31, 1979
- Bayer Aktiengesellschaft
- Erich Kramer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Fritz Puchner

Person

Patents Grantslast 30 patents

Wet-strength agent with low DCP content

Optically brightened plastics for optically brightening paper-coati...

Pigment preparations useful for ink-jet printing

Pigment preparations useful for ink-jet printing

Chlorine-free multifunctional resins for paper finishing

Chlorine-free multifunctional resins for paper finishing

Process for the preparation of polycondensates

Pigment printing on fibre materials

Process for sizing paper

Paper size

Process for the preparation of concentrated dyestuff solutions