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:
Apr. 15, 1980
Filed:
May. 26, 1978
Applicant:
Inventors:
Robert B Login, Woodhaven, MI (US);
William K Langdon, Grosse Ile, MI (US);
Ronald L Camp, Riverview, MI (US);
Assignee:
BASF Wyandotte Corporation, Wyandotte, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428361 ; 252-89 ; 4273935 ; 4273899 ; 427424 ; 4274346 ; 428413 ;
Abstract
There are disclosed surface lubricants or processing aids for synthetic fibers particularly polyester, polyacrylic, and polyamide (nylon) fibers or mixtures thereof comprising an ethylene oxide capped heteric polymer of tetrahydrofuran (tetramethylene oxide) and ethylene oxide designated as a heteric/block copolymer having the formula: