Membership
Tour
Register
Log in
Helmut Knorre
Follow
Person
Seligenstadt, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for the leaching of gold and silver with cyanidic leaching...
Patent number
5,275,791
Issue date
Jan 4, 1994
Degussa Aktiengesellschaft
Helmut Knorre
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for leaching precious metals with hydrogen-peroxide and a c...
Patent number
5,250,272
Issue date
Oct 5, 1993
Degussa Aktiengesellschaft
Helmut Knorre
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cost effective process for detoxification of cyanide-containing eff...
Patent number
5,178,775
Issue date
Jan 12, 1993
Degussa AG
M. Q. Ahsan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the treatment of effluents containing cyanide and other...
Patent number
4,915,849
Issue date
Apr 10, 1990
Degussa Aktiegesellschaft
Andrew Griffiths
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of industrial gases or waste gases
Patent number
4,731,232
Issue date
Mar 15, 1988
Degussa AG
Joachim Fischer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the treatment of continuous waste water streams having...
Patent number
4,416,786
Issue date
Nov 22, 1983
DEGUSSA
Helmut Knorre
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for recycling of used lubricating oils
Patent number
4,366,049
Issue date
Dec 28, 1982
Leybold-Heraeus GmbH
Helmut Knorre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for automatically controlling the detoxification of waste w...
Patent number
4,280,914
Issue date
Jul 28, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Procedure for the reprocessing of used lubricating oils
Patent number
4,255,252
Issue date
Mar 10, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the reprocessing of used lubricating oils (II)
Patent number
4,252,637
Issue date
Feb 24, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the separation of cadmium (Cd.sup.++)-ions from sewage,...
Patent number
4,172,784
Issue date
Oct 30, 1979
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the separation of Cu.sup.++ -ions from sewage, waste wa...
Patent number
4,172,785
Issue date
Oct 30, 1979
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of crystalline alcohol free alkali metal...
Patent number
4,150,244
Issue date
Apr 17, 1979
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Packages for the storage of air and moisture sensitive metallurgica...
Patent number
4,126,446
Issue date
Nov 21, 1978
Deutsche Gold-und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C21 - METALLURGY OF IRON
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
Information
Patent Grant
Process for preventing caking and obtaining flowability of alkali c...
Patent number
4,107,274
Issue date
Aug 15, 1978
Duetsche Gold- und Silber-Scheideanstalt vormals Roessler
Helmut Knorre
C01 - INORGANIC CHEMISTRY