Gerhard Arnold

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Mobile, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Enrichment of metal sulfide ores by oxidant assisted froth flotation
- Patent number 10,413,914
- Issue date Sep 17, 2019
- Evonik Degussa GmbH
- Gerhard Arnold
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for recovering a copper sulfide concentrate from an ore cont...
- Patent number 9,839,917
- Issue date Dec 12, 2017
- Evonik Degussa GmbH
- Christopher Greet
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for bleaching and delignification of lignocellulosic materials
- Patent number 5,246,543
- Issue date Sep 21, 1993
- Degussa Corporation
- Juergen Meier
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the generation of peroxyacids
- Patent number 5,141,731
- Issue date Aug 25, 1992
- Degussa Aktiengesellschaft
- Juergen Meier
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for bleaching and delignification of lignocellulosic
- Patent number 5,091,054
- Issue date Feb 25, 1992
- Degussa Corporation
- Juergen Meier
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the delignification and acid bleaching of cellulose wit...
- Patent number 4,626,319
- Issue date Dec 2, 1986
- Degussa Aktiengesellschaft
- Horst Kruger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
HYDROGEN PEROXIDE COMPOSITION AND METHOD FOR PRODUCING CHLORINE DIO...
- Publication number 20200039822
- Publication date Feb 6, 2020
- Evonik Corporation
- Gregory Melenkevitz
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR RECOVERING A COPPER SULFIDE FROM AN ORE CONTAINING AN IR...
- Publication number 20160167060
- Publication date Jun 16, 2016
- EVONIK DEGUSSA GmbH
- Gerhard Arnold
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
METHOD FOR RECOVERING A COPPER SULFIDE FROM AN ORE CONTAINING AN IR...
- Publication number 20160158768
- Publication date Jun 9, 2016
- EVONIK DEGUSSA GmbH
- Gerhard Arnold
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METHOD FOR RECOVERING A COPPER SULFIDE CONCENTRATE FROM AN ORE CONT...
- Publication number 20160144381
- Publication date May 26, 2016
- EVONIK DEGUSSA GmbH
- Christopher Greet
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
ENRICHMENT OF METAL SULFIDE ORES BY OXIDANT ASSISTED FROTH FLOTATION
- Publication number 20140369906
- Publication date Dec 18, 2014
- EVONIK DEGUSSA GmbH
- Gerhard Arnold
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...