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:
Mar. 20, 2007
Filed:
Feb. 20, 2004
John D. Wilkey, Owasso, OK (US);
Carleton E. Stouffer, Bartlesville, OK (US);
Vergil H. Rhodes, Bartlesville, OK (US);
Jay M. Chaffin, Bartlesville, OK (US);
John M. Brown, Bartlesville, OK (US);
David Hartsock, Bartlesville, OK (US);
James A. Keane, Woodlands, TX (US);
John D. Wilkey, Owasso, OK (US);
Carleton E. Stouffer, Bartlesville, OK (US);
Vergil H. Rhodes, Bartlesville, OK (US);
Jay M. Chaffin, Bartlesville, OK (US);
John M. Brown, Bartlesville, OK (US);
David Hartsock, Bartlesville, OK (US);
James A. Keane, Woodlands, TX (US);
Chevron Phillips Chemical Company, LP, The Woodlands, TX (US);
Abstract
We disclose compositions, comprising (i) from about 25 parts by weight to about 95 parts by weight of a monovinylarene-conjugated diene coupled block copolymer comprising at least one tapered block, having a blocky monovinylarene content of less than 90 wt % of total monovinylarene units, and comprising a terminal monovinylarene block having a molecular weight of less than 60,000 g/mol; and (ii) from about 5 parts by weight to about 75 parts by weight of a monovinylarene-alkyl(meth)acrylate copolymer, comprising (ii-a) monovinylarene units and (ii-b) either alkyl acrylate units, alkyl methacrylate units, or both. The compositions can be used in shrink film or rigid packaging applications.