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:
Nov. 28, 2000

Filed:

Dec. 15, 1998
Applicant:
Inventors:

Hyunkook Shin, Wilmington, DE (US);

Roger Keith Siemionko, Hockessin, DE (US);

Nanlin Deng, Richmond, VA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; D01D / ;
U.S. Cl.
CPC ...
264 50 ; 264 53 ; 264205 ;
Abstract

A spinning process using azeotropic compounds as spin agents having essentially zero ozone depletion potential and that are either non-flammable or of very low flammability.


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