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:
Nov. 07, 1995
Filed:
Apr. 18, 1995
Applicant:
Inventors:
Matthew B Hoyt, Arden, NC (US);
Phillip E Wilson, Asheville, NC (US);
Assignee:
BASF Corporation, Mt. Olive, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 85 ; 428 92 ; 428397 ;
Abstract
A multi-lobal composite filament with reduced stainability having a polyamide core being substantially free of amine end-groups and being surrounded by a sheath of a hydrophobic polymer of aromatic polyesters, aliphatic polyesters, polyethylene, polymethylpentent, polybutene, polymethyl butene and copolymers thereof, wherein the weight ratio between core and sheath is from about 2:1 to about 10:1. These filaments are particularly useful to the manufacture of carpets.