Seal material for a dispensing apparatus

Details Seal material for a dispensing apparatus Seal material for a dispensing apparatus

2003-03-18

2010-06-15

O'Hern, Brent T (Department: 1783)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C128S200140, C128S200230, C215S200000, C215S247000, C222S645000, C424S043000, C424S045000, C428S034100, C525S095000, C525S331100, C525S352000

Reexamination Certificate

active

07736712

ABSTRACT:
A seal for a valve for use in a pharmaceutical dispensing device, which seal is formed from an elastomeric composition comprising:(a) an isobutylene polymer or co-polymer thereof;(b) a cross-linking agent for the isobutylene polymer or co-polymer thereof; and(c)) an accelerator for the cross-linking agent, wherein the accelerator includes a polysulphide compound derived from a substituted dithiocarbonic acid or derivative thereof.

REFERENCES:
patent: 1634924 (1927-07-01), Whitby
patent: 3443006 (1969-05-01), Gribens et. al.
patent: 4695609 (1987-09-01), Stevenson
patent: 5276094 (1994-01-01), Kaszas et al.
patent: 5370862 (1994-12-01), Klokkers-Bethke et al.
patent: 6092696 (2000-07-01), Thomas
patent: 6300421 (2001-10-01), Blok et al.
patent: 0 597 362 (1994-05-01), None
patent: 0 866 096 (1998-09-01), None
patent: 1 201 918 (1970-08-01), None
patent: 0106046.6 (2001-03-01), None
patent: 52 127953 (1977-10-01), None
patent: 55 029547 (1980-03-01), None
patent: 58 087139 (1983-05-01), None
patent: 10 060172 (1996-08-01), None
patent: 97/01611 (1997-01-01), None
patent: WO 02072449 (2002-09-01), None
The Patents & Designs Journal, May 2, 2001, The Patent Office (United Kingdom), No. 5842, p. 1680.

Affiliated with

Also associated with

Rating

Seal material for a dispensing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Seal material for a dispensing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Seal material for a dispensing apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4153911