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Patents Grantslast 30 patents

Information Patent Grant
Method of distilling dimethyl sulfoxide and multistage distillation...
- Patent number 11,111,211
- Issue date Sep 7, 2021
- Toray Fine Chemicals Co., Ltd.
- Ryoji Ichioka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Folded fractionation column and process
- Patent number 10,792,585
- Issue date Oct 6, 2020
- UOP LLC
- Brian J. Nowak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Acid regenerator control
- Patent number 4,473,442
- Issue date Sep 25, 1984
- Phillips Petroleum Company
- Gary L. Funk
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fractionator control in an alkylation process
- Patent number 4,470,879
- Issue date Sep 11, 1984
- Phillips Petroleum Company
- Thomas Hutson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3926742
- Patent number 3,926,742
- Issue date Dec 16, 1975
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2467174
- Patent number 2,467,174
- Issue date Apr 12, 1949
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL