Polyvinyl chloride resins

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

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Details

C524S287000, C524S297000, C524S298000, C524S314000, C524S357000, C524S425000, C524S445000, C525S185000, C525S190000

Reexamination Certificate

active

06977277

ABSTRACT:
The invention is directed towards a PVC resin composition comprising polyvinyl chloride and a liquid plasticizer selected from the group consisting of: (i) a non-linear, paraffin-soluble olefin-CO copolymer; ii) a non-linear olefin-CO copolymer derived from non-pure feeds; iii) an olefin-CO—X terpolymer derived from non-pure feeds; and iv) a non-linear olefin-CO—X terpolymer. A method of preparing the resins is also described.

REFERENCES:
patent: 3780140 (1973-12-01), Hammer
patent: 6156872 (2000-12-01), Patil et al.
patent: 6262225 (2001-07-01), Patil et al.
patent: 6750278 (2004-06-01), Patil et al.
patent: 2002/0042475 (2002-04-01), Patil et al.
patent: 2099104 (1993-12-01), None
patent: WO 90/13600 (1990-11-01), None
patent: WO 92/07029 (1992-04-01), None
patent: WO-00/43437 (2000-07-01), None
patent: WO-02/06395 (2002-01-01), None
Database WPI, Section Ch, Week 199210, Derwent Publications Ltd, London, GB/Class A24, AN 1992-07264, XP00220064 & JP 04 023854A (Mitsui Dupont Poly), Jan. 28, 1992 abstract.

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