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:
May. 28, 2013
Filed:
Mar. 29, 2007
Aizoh Sakurai, Tokyo, JP;
Aizoh Sakurai, Tokyo, JP;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A polylactic acid-containing resin composition that include (a) a polylactic acid and (b) a (meth)acrylic copolymer having a molecular weight in excess of 30,000 and that is the reaction product of a monomer mixture including a methyl (meth)acrylate (i) and a (meth)acrylic acid ester (ii) that is different than the methyl (meth)acrylate (i). The (meth)acrylic acid ester (ii) is represented by any one of formula (I): CH═C(R)—COO—Rformula (II): CH═C(R)—COO—(CHCHO)—R, or formula (III): CH═C(R)—COO—(CHCHO)-Ph. A method for preparing the (meth)acrylic copolymer is also provided as well as articles formed from polylactic acid-containing resin compositions.