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:
Jul. 12, 1988
Filed:
Nov. 10, 1986
Applicant:
Inventor:
Val G Romberg, Upper Darby, PA (US);
Assignee:
The West Company Incorporated, Phoenixville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284239 ; 215364 ; 215315 ; 220352 ;
Abstract
A stopper device for use on a pharmaceutical closure, comprising an elastomeric stopper sized to function as a closure; and a polyurethane coating on the stopper. The coating has a modulus sufficient to decrease the coefficient of friction of the stopper to less than 0.6.