The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 1992
Filed:
May. 29, 1991
Applicant:
Inventors:
Li Wang, Bloomingdale, IL (US);
Stephen F Yates, Arlington Heights, IL (US);
Russell W Johnson, Elmhurst, IL (US);
Assignee:
Allied-Signal Inc., Morris Township, Morris County, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570178 ; 570177 ;
Abstract
Vinylidene chloride and other unsaturated impurities are removed from HCFC-141b by reaction with hydrogen over a catalyst such as palladium on alumina.
Wang, Li. (1992). Process for removing vinylidene chloride and other unsaturated compounds (U.S. Patent No. 5105035). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5105035
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile