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:
Oct. 10, 1989
Filed:
Dec. 30, 1986
Applicant:
Inventors:
Robert A Gorski, Newark, DE (US);
Bernhardt J Eiseman, Jr, late of Wilmington, DE (US);
Donovan E Kvalnes, late of Castine, MA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; B01F / ; C23G / ;
U.S. Cl.
CPC ...
252364 ; 252172 ; 252D / ; 134 40 ; 134 42 ;
Abstract
An azeotrope or azeotrope-like composition of 1,1,2-trichloro-1,2,2-trifluoroethane (FC-113) and 1,2-dichloro-1,1-difluoroethane (FC-132b), the azeotrope being useful in solvent cleaning applications.
Gorski, Robert. (1989). Azeotrope or azeotrope-like composition of trichlorotrifluoroethane and (U.S. Patent No. 4873021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4873021
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile