Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1986-11-10
1988-07-12
Buffalow, Edith
Stock material or miscellaneous articles
Composite
Of polyamidoester
215364, 215315, 220352, B32B 2700
Patent
active
047569743
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.
REFERENCES:
patent: 3528848 (1970-09-01), Zoebelein
patent: 3578037 (1971-05-01), Flynn
patent: 4119094 (1978-10-01), Micklus
patent: 4321306 (1982-03-01), Eguchi
patent: 4554125 (1985-11-01), Knapp
Buffalow Edith
Renz Jr. Eugene E.
The West Company Incorporated
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