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:
Jan. 25, 2000
Filed:
Nov. 02, 1998
Applicant:
Inventors:
Patrick Alex, Limours Pecqueuse, FR;
Jun Yamamoto, Tokyo, JP;
Assignee:
Elf Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; F16G / ; F16G / ;
U.S. Cl.
CPC ...
528332 ; 528170 ; 528310 ; 528322 ; 525422 ; 525427 ; 524571 ; 524600 ; 524606 ; 474237 ; 474265 ; 474202 ; 4284111 ; 4284231 ; 4284444 ; 428462 ; 428500 ; 428521 ;
Abstract
The invention relates to belts made of thermoplastic polymer (A) and comprising a sufficient amount of a polymer (B) to render them antistatic, the said polymer (B) comprising polyethylene glycol blocks. Use is advantageously made of polymers (A) containing polyamide-6 (PA-6) or polyamide-12 (PA-12) blocks and polytetramethylene glycol blocks and polymers (B) containing PA-6 or PA-12 blocks and polyethylene glycol blocks.