containing hetero rings

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Patents Grantslast 30 patents

Information Patent Grant
Polysiloxane defoaming agent
- Patent number 11,298,634
- Issue date Apr 12, 2022
- BYK-Chemie GmbH
- Verena Wintermeyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3691082
- Patent number 3,691,082
- Issue date Sep 12, 1972
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
3388073
- Patent number 3,388,073
- Issue date Jun 11, 1968
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
3004923
- Patent number 3,004,923
- Issue date Oct 17, 1961
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
2748088
- Patent number 2,748,088
- Issue date May 29, 1956
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
2635079
- Patent number 2,635,079
- Issue date Apr 14, 1953
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
2416360
- Patent number 2,416,360
- Issue date Feb 25, 1947
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL