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:
Oct. 12, 2004
Filed:
Nov. 20, 2001
Applicant:
Inventors:
Toshirou Ariga, Sakura, JP;
Katsuji Takahashi, Sakura, JP;
Masao Kamikura, Sakura, JP;
Shouji Imamura, Sakura, JP;
Takashi Mihara, Sakura, JP;
Assignee:
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/00 ; C08K 5/09 ; C08L 5/100 ; C08F 2/000 ; C08G 6/308 ;
U.S. Cl.
CPC ...
C08J 3/00 ; C08K 5/09 ; C08L 5/100 ; C08F 2/000 ; C08G 6/308 ;
Abstract
A lactic acid polyester (III), having a lactic acid unit (I) and a polyester unit (II) at a weight ratio within the range of 10:90 to 90:10, a weight average molecular weight of 10,000 or more, and a glass transition temperature of 60° C. or below, imparts superior impact resistance to polyhydroxy carboxylic acids while maintaining superior flexibility and transparency and with minimal occurrence of bleedout.