Method of making a non-tacky, powder-free neoprene article...

Details Method of making a non-tacky, powder-free neoprene article... Method of making a non-tacky, powder-free neoprene article...

2007-02-20

2007-02-20

Lee, Edmund H. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Polymerizing, cross-linking, or curing

C264S255000, C264S301000, C264S307000, C002S168000, C002S016000, C002S161700, C128S844000

Reexamination Certificate

active

10399451

ABSTRACT:
A method of making a non-tacky, powder-free neoprene article, preferably by dipping a former in a neoprene or neoprene copolymer latex, comprises the use of one or more anionic anti-tack agents in order to prevent any significant development of tack for a period of up to at least seven days when the article is stored at 70° C. or at least 90 days when stored at 45° C. Preferably, the article is a glove or condom further comprising a layer of hydrogel.

REFERENCES:
patent: 2060343 (1936-11-01), Palicki
patent: 2458221 (1949-01-01), Svendsen et al.
patent: 5881387 (1999-03-01), Merovitz et al.
patent: 6195805 (2001-03-01), Bourne et al.
patent: 6306514 (2001-10-01), Weikel et al.
patent: 445534 (1934-09-01), None
patent: 9943739 (1999-09-01), None
patent: 0015353 (2000-03-01), None

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