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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.:

US 9364985 B1

PDFFull Text
Date of Patent:
Jun. 14, 2016

Filed:

Mar. 14, 2013

Process for preparing flowable amorphous poly-alpha olefin adhesive pellets

Applicant:

Henkel Ip & Holding Gmbh, Duesseldorf, DE;

Inventors:

Darshak Desai, Edison, NJ (US);

Yuhong Hu, Belle Mead, NJ (US);

Ken Gaspar, Greer, SC (US);

Ed Hantwerker, Drums, PA (US);

Assignee:

HENKEL IP & HOLDING GMBH, Duesseldorf, DE;

Attorney:

Sun Hee Lehmann

Primary Examiner:

Jeffrey Wollschlager

Int. Cl.
CPC ...
B29C 47/88 (2006.01); B29B 9/06 (2006.01); B29C 47/00 (2006.01); C08F 10/08 (2006.01); B29C 47/92 (2006.01); B29K 105/00 (2006.01); B29C 35/16 (2006.01); B29C 71/00 (2006.01); B29B 9/16 (2006.01); C08J 3/12 (2006.01);
U.S. Cl.
CPC ...
B29C 47/0011 (2013.01); B29B 9/06 (2013.01); B29C 47/92 (2013.01); C08F 10/08 (2013.01); B29B 9/065 (2013.01); B29B 9/16 (2013.01); B29B 2009/165 (2013.01); B29C 47/0004 (2013.01); B29C 47/0014 (2013.01); B29C 47/0066 (2013.01); B29C 47/8815 (2013.01); B29C 47/8895 (2013.01); B29C 71/0063 (2013.01); B29C 2035/165 (2013.01); B29C 2035/1616 (2013.01); B29C 2035/1625 (2013.01); B29C 2035/1675 (2013.01); B29C 2793/0027 (2013.01); B29C 2947/92704 (2013.01); B29C 2947/92714 (2013.01); B29C 2947/92761 (2013.01); B29K 2105/0097 (2013.01); C08J 3/124 (2013.01);
Abstract

The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets.

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