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.

Date of Patent:
Aug. 10, 2010

Filed:

Nov. 04, 2003
Applicants:

Young H. Kim, Hockessin, DE (US);

Michael O'neill, Middletown, DE (US);

Jiazhong Chen, Boothwyn, PA (US);

Portia D. Yarborough, Midlothian, VA (US);

Inventors:

Young H. Kim, Hockessin, DE (US);

Michael O'Neill, Middletown, DE (US);

Jiazhong Chen, Boothwyn, PA (US);

Portia D. Yarborough, Midlothian, VA (US);

Assignee:

INVISTA North America S.a r.l., Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/14 (2006.01); B32B 27/40 (2006.01); B29D 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Stable aqueous poly(urea/urethane) polymers and dispersions are made that do not require the inclusion of chain extenders, curing agents or crosslinking agents. The disclosed poly(urea/urethane) dispersions can be used to make articles such as films and gloves with reduced chance of chemical and biological allergic reaction to skin, and which exhibit improved puncture and tear resistance when compared to such articles made with other materials.


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