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. 07, 1981
Filed:
Oct. 19, 1979
Applicant:
Inventors:
David G Hey, Northwich, GB;
Robert W Wheelhouse, Runcorn, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C23G / ;
U.S. Cl.
CPC ...
252171 ; 252 67 ; 252 69 ; 252162 ; 252172 ; 252D / ; 252D / ; 252364 ; 134 38 ; 134 40 ;
Abstract
A composition suitable for cleaning printed circuit boards consists of 89.5% to 96.9% 1,1,2-trichloro-1,2,2-trifluoroethane, 2.5% to 8% ethanol, 0.1% to 3% methyl acetate and preferably 0.01% to 0.5% nitromethane.
Hey, David. (1981). Cleaning composition (U.S. Patent No. 4260510). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4260510
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile