David Crettenand

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Riddes, CH

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Patents Grantslast 30 patents

Information Patent Grant
Leucodye (such as leucoindigo) as dispersing aid
- Patent number 11,753,730
- Issue date Sep 12, 2023
- Sedo Engineering SA
- David Crettenand
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
By-products (impurity) removal
- Patent number 11,629,418
- Issue date Apr 18, 2023
- Sedo Engineering SA
- David Crettenand
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrochemical reactor
- Patent number 8,333,881
- Issue date Dec 18, 2012
- RedElec Technologie SA
- David Crettenand
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
ELECTROCHEMICAL REACTOR AND ITS CLEANING OR REGENERATION
- Publication number 20220056595
- Publication date Feb 24, 2022
- David CRETTENAND
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
LEUCODYE (SUCH AS LEUCOINDIGO) AS DISPERSING AID
- Publication number 20220033980
- Publication date Feb 3, 2022
- Sedo Engineering SA
- David CRETTENAND
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
BY-PRODUCTS (IMPURITY) REMOVAL
- Publication number 20220025534
- Publication date Jan 27, 2022
- Sedo Engineering SA
- David CRETTENAND
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROCHEMICAL REACTOR
- Publication number 20220010438
- Publication date Jan 13, 2022
- RedElec Technologie SA
- David CRETTENAND
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROCHEMICAL REACTOR
- Publication number 20090308757
- Publication date Dec 17, 2009
- RedElec Technologie SA
- David Crettenand
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR