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:
Jul. 03, 1990
Filed:
May. 30, 1989
Applicant:
Inventor:
A Chandler Schmalz, Conyers, GA (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
1563088 ; 156296 ; 156305 ; 4273931 ; 428290 ; 524274 ;
Abstract
A method for placing hydrophobic polyolefin fiber in condition for cutting, carding and production of nonwoven material without substantial sacrifice in desired hydrophobic properties in the corresponding nonwoven, by utilization of a sequential treatment of the fiber with a neutralized phosphoric acid ester and a polysiloxane of defined classes.