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:
Sep. 14, 1993
Filed:
Mar. 25, 1992
Applicant:
Inventors:
Tomio Nobe, Yawata, JP;
Hiroyuki Kanamaru, Kyoto, JP;
Harutomo Nomoto, Jyoyo, JP;
Shoji Tani, Nishinomiya, JP;
Assignee:
New Japan Chemical Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525437 ; 528272 ; 528274 ; 528286 ; 528293 ; 528299 ; 528296 ; 528297 ; 528298 ; 528300 ; 528302 ; 528303 ; 528306 ; 528307 ; 528308 ; 5283086 ; 528356 ; 528491 ; 525448 ; 525450 ; 525 45 ; 524 81 ; 524174 ; 524284 ; 524401 ;
Abstract
Disclosed are an epoxidized polyester which comprises, per molecule, at least three bifunctional groups each having the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is a hydrogen atom or an alkyl group containing 1 to 5 carbon atoms, or R.sup.1 and R.sup.2 taken together represent an endomethylene group, and which has a number average molecular weight of about 1,000 to about 10,000, as well as processes for preparing the epoxidized polyester.