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. 20, 1976
Filed:
Sep. 03, 1974
Applicant:
Inventor:
Ian Stanley Ripley, Stockton-On-Tees, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08D / ; C08D / ;
U.S. Cl.
CPC ...
2608 / ; 260 / ; 526 15 ; 526 20 ; 526 26 ; 526 47 ; 526 56 ; 526290 ; 526317 ;
Abstract
Group II metal salts of the reaction product of a petroleum resin with an alpha, beta-ethylenically unsaturated acid or anhydride are prepared by reacting the reaction product, which contains free carboxyl groups, with a Group II metal compound in the presence of a lithium compound as catalyst.