Wolfgang Fischer

Person

Kahl, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Production of 2, 3-epoxypropyl trialkyl ammonium chlorides
- Patent number 5,637,740
- Issue date Jun 10, 1997
- Degussa Aktiengesellschaft
- Wolfgang Fischer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing an adjustable-viscosity cationic starch
- Patent number 5,116,967
- Issue date May 26, 1992
- Degussa Aktiengesellschaft
- Wolfgang Fischer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the dry cationization of starch II
- Patent number 4,981,958
- Issue date Jan 1, 1991
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the dry cationization of galactomannans (II)
- Patent number 4,940,784
- Issue date Jul 10, 1990
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for dry cationization of starch
- Patent number 4,812,257
- Issue date Mar 14, 1989
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for dry cationization of starch
- Patent number 4,785,087
- Issue date Nov 15, 1988
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for dry cationization of galactomannans
- Patent number 4,758,282
- Issue date Jul 19, 1988
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of cationic starch ethers
- Patent number 4,332,935
- Issue date Jun 1, 1982
- Degussa Aktiengesellschaft
- Wolfgang Fischer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Setting retarder
- Patent number 4,124,406
- Issue date Nov 7, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Knorre
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Wolfgang Fischer

Person

Patents Grantslast 30 patents

Production of 2, 3-epoxypropyl trialkyl ammonium chlorides

Method of manufacturing an adjustable-viscosity cationic starch

Method for the dry cationization of starch II

Method for the dry cationization of galactomannans (II)

Process for dry cationization of starch

Process for dry cationization of starch

Process for dry cationization of galactomannans

Process for the production of cationic starch ethers

Setting retarder