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:
Dec. 31, 2013
Filed:
Sep. 29, 2006
Peijun Jiang, League City, TX (US);
Patrick Brant, Seabrook, TX (US);
David Aaron Henning, Ponca City, OK (US);
David R. Johnsrud, Humble, TX (US);
Charles L. Sims, Houston, TX (US);
Peijun Jiang, League City, TX (US);
Patrick Brant, Seabrook, TX (US);
David Aaron Henning, Ponca City, OK (US);
David R. Johnsrud, Humble, TX (US);
Charles L. Sims, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
Disclosed herein is an in-reactor produced multi-component copolymer comprises a semi-crystalline component having a crystallinity of 20% or more, and an amorphous component having a crystallinity of 5% or less. The copolymer comprises at least 80 wt % of units derived from propylene and from about 1 to about 20 wt % of units derived from at least one Cto Calpha-olefin. The copolymer has a viscosity at 190° C. of at least 530 mPa sec and a heat of fusion between about 10 and about 70 J/g. An adhesive containing the copolymer exhibits a good balance of adhesive properties and mechanical strength.