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:
Feb. 03, 1987
Filed:
Jun. 19, 1985
Applicant:
Inventors:
David P Balding, Mission Viejo, CA (US);
Li-Chien Hsu, Mission Viejo, CA (US);
Lucas S Gordon, Laguna Beach, CA (US);
Assignee:
American Hospital Supply Corporation, Evanston, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ; A61L / ;
U.S. Cl.
CPC ...
422 22 ; 422-1 ; 422 34 ; 29458 ; 29521 ;
Abstract
Stress cracking of polycarbonate parts during prolonged storage while assembled with plasticized polyvinyl tubing is greatly reduced by using tubing in which tri-2-ethylhexyl trimellitate is the predominant or sole primary plasticizer.
Quick Actions:
Balding, David. (1987). Stress crack reduction in polycarbonate parts (U.S. Patent No. 4640819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4640819
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile