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:
Sep. 21, 2004
Filed:
Sep. 04, 2003
Applicant:
Inventors:
Hyunkook Shin, Wilmington, DE (US);
Chien-Ping Chai Kao, Newark, DE (US);
Thomas A. J. Schweiger, Fayetteville, AR (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 5/11 ; D01F 6/04 ; D01F 6/06 ; D01F 6/32 ; C11D 7/50 ;
U.S. Cl.
CPC ...
D01D 5/11 ; D01F 6/04 ; D01F 6/06 ; D01F 6/32 ; C11D 7/50 ;
Abstract
An azeotropic mixture of perfluorobutylethylene and at least one of the group consisting of bromochloromethane, cyclopentane, cis-1,2 dichloroethylene, trans-1,2 dichloroethylene and dichloromethane useful for cleaning agents, blowing agents and certain of which are suitable for flash spinning of polyolefins to make plexifilamentary fibers.