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 8486219 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 16, 2013

Filed:

Jun. 17, 2009
Applicants:

Dan Qing Wu, West Chester, PA (US);

Jessica Chen-ying Yen, Greenville, DE (US);

Inventors:

Dan Qing Wu, West Chester, PA (US);

Jessica Chen-Ying Yen, Greenville, DE (US);

Assignee:

E I du Pont de Nemours and Company, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/00 (2006.01); B31B 1/60 (2006.01); B32B 37/00 (2006.01); C09J 4/00 (2006.01); C09J 101/00 (2006.01); C09J 201/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present disclosure pertains to a process for preparing a laminate comprising: providing a dried overlay and a base sheet wherein at least one of the dried overlay and the base sheet comprises a resin-impregnated, opaque, cellulose pulp-based sheet; applying a fluorourethane to the dried overlay to form a treated overlay; drying the treated overlay; and laminating the treated overlay to the base sheet. The disclosed process hereby produces a laminate whose outer surface is modified with the fluorourethane and the cleanability, oil repellency, and abrasion resistance of such a laminate is improved.


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