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:
Mar. 18, 2003
Filed:
Sep. 20, 2000
Applicant:
Inventors:
Leonard Edward Raymond Kosinski, Chadds Ford, PA (US);
Govindasamy Paramasivam Rajendran, Newark, DE (US);
Robert Rex Reitz, West Chester, PA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/128 ; B29C 4/132 ; D01F 1/06 ; D01F 1/10 ; D01F 6/70 ;
U.S. Cl.
CPC ...
B29C 4/128 ; B29C 4/132 ; D01F 1/06 ; D01F 1/10 ; D01F 6/70 ;
Abstract
This invention provides processes for preparing fiber or film comprising a polyurethane and layers delaminated from a lamellar clay, said layers being dispersed in said polyurethane. Fiber and film produced by the processes of the present invention exhibit reduced tack and an increased ability to affix at least one dye.