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:
Mar. 30, 1982
Filed:
Nov. 20, 1980
Applicant:
Inventors:
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528290 ; 528294 ;
Abstract
An alkyd resin containing ampho-ionic groups of the formula: ##STR1## wherein A is a C.sub.1 -C.sub.6 alkylene or a phenylene group, is disclosed. Said resin is prepared by reacting a polyol, a polybasic acid and an ampho-ionic compound of the formula: ##STR2## wherein A is as defined above, R.sub.1 is a hydroxyalkyl, R.sub.2 and R.sub.3 are H or alkyl optionally containing sulfo and/or hydroxyl group.