Helmut Knorre

Person

Seligenstadt, DT

People

Patents Grantslast 30 patents

Information Patent Grant
D,L Tartaric acid as retardant for gypsum plaster
- Patent number 4,094,693
- Issue date Jun 13, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Knorre
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preventing caking and obtaining flowability of alkali chlorides and...
- Patent number 4,051,228
- Issue date Sep 27, 1977
- Deutsch Gold-und Silber-Scheideanstalt
- Helmut Knorre
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of dissolving a silver coating in a photo tank
- Patent number 4,021,264
- Issue date May 3, 1977
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Knorre
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Anticaking agent for inorganic salts
- Patent number 3,980,593
- Issue date Sep 14, 1976
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Knorre
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for detoxification of cyanides and nitriles with peroxygen...
- Patent number 3,970,554
- Issue date Jul 20, 1976
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Joachim Fischer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the precipitation of heavy metal ion-polycarboxylate co...
- Patent number 3,956,121
- Issue date May 11, 1976
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Heinz Haschke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Helmut Knorre

Person

Patents Grantslast 30 patents

D,L Tartaric acid as retardant for gypsum plaster

Preventing caking and obtaining flowability of alkali chlorides and...

Method of dissolving a silver coating in a photo tank

Anticaking agent for inorganic salts

Process for detoxification of cyanides and nitriles with peroxygen...

Process for the precipitation of heavy metal ion-polycarboxylate co...