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. 16, 2002
Filed:
Mar. 28, 2000
Applicant:
Inventors:
Assignee:
Mitsui Chemicals, Inc., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 5/108 ; C08L 2/302 ; C08L 6/700 ; C08G 7/316 ; C08G 6/944 ;
U.S. Cl.
CPC ...
C08L 5/108 ; C08L 2/302 ; C08L 6/700 ; C08G 7/316 ; C08G 6/944 ;
Abstract
There are here disclosed a resin composition comprising a block or a graft copolymer (A) having a polyamino acid as a hydrophilic segment (a- ), and a degradable polymer as a hydrophobic segment (a- ), and a resin (B); and a method of accelerating the hydrolysis of a resin and inhibiting the heat deterioration thereof by mixing this copolymer (A) with the resin (B).