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:
May. 06, 1980
Filed:
Nov. 21, 1977
Applicant:
Inventor:
Ladislav Benisek, Ilkley, GB;
Assignee:
International Wool Secretariat, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ; C09K / ;
U.S. Cl.
CPC ...
427389 ; 8128 / ; 4273933 ;
Abstract
A method for improving both the flame-resist and smoke emission properties of natural polyamide fibers comprising applying thereto an anionic complex of zirconium, citric acid and fluoride at an acid pH.