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.

Date of Patent:
Oct. 10, 1989

Filed:

Dec. 31, 1984
Applicant:
Inventors:

Aldemaro Ciaperoni, Bollate, IT;

Alberto Cappelli, Cogliate, IT;

Francesco D'Andolfo, Cesano Maderno, IT;

Antonio Salan, Saronno, IT;

Assignee:

SNIA Fibre S.p.A., Cesano Maderno, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525434 ; 525420 ; 528336 ;
Abstract

A linear block copolymer of regular structure, comprising polyamide and polyethylene glycol blocks. Two polyamide blocks (A) are bound through an intermediate polyethylene glycol block (B) according to a structural scheme (A-B-A). Fibers exhibiting a high moisture absorption strong mechanical properties and a high dyeability. Textile manufactured goods comprising said fibers. A process to obtain said block copolymer, through the preparation of a polyamide (A) and a polyethylene glycol (B), and condensation of polyamide (A) and polyethylene glycol (B) so as to obtain a (A-B-A) structure.


Find Patent Forward Citations

Ciaperoni, Aldemaro. (1989). Polyamide polyethylene glycolpolyamide block copolymer (U.S. Patent No. 4873296). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4873296

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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