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. 23, 2023
Filed:
Aug. 31, 2016
Applicant:
Rohm and Haas Company, Philadephia, PA (US);
Inventors:
Michael T. Petr, Collegeville, PA (US);
Paul R. Van Rheenen, Warminster, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/18 (2006.01); C08F 110/02 (2006.01); C08J 9/228 (2006.01); C08L 27/06 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C08F 220/1802 (2020.02); C08F 110/02 (2013.01); C08F 110/06 (2013.01); C08J 9/228 (2013.01); C08L 27/06 (2013.01); C08F 220/1803 (2020.02); C08F 2800/20 (2013.01); C08J 2201/022 (2013.01); C08J 2205/08 (2013.01); C08J 2205/10 (2013.01); C08J 2327/06 (2013.01);
Abstract
A processing aid for foam molding comprising a copolymer obtained by the polymerization of from 50% to 100% by weight total of one or more monomers selected from the group consisting of ethyl methacrylate and propyl methacrylate, and 0 to 50% by weight of other copolymerizable monomers, the copolymer having the following properties: (a) a reduced viscosity measured according to ASTM D2857 at 1 mg/mL in chloroform at 25° C. of greater than 8 dL/g and (b) a Tg equal to or less than 77° C. is provided.