Rigid, low density foam

Details Rigid, low density foam Rigid, low density foam

2011-04-05

2011-04-05

Zemel, Irina S (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S182000, C521S186000, C521S189000, C525S185000, C525S419000, C525S421000, C525S471000, C525S539000

Reexamination Certificate

active

07919540

ABSTRACT:
A foam comprising the reaction product of one or more multifunctional acrylates with one or more multifunctional aceto- or cyano-acetate compounds in the presence of a base and a blowing agent.

REFERENCES:
patent: 5132367 (1992-07-01), Chan
patent: 2005/0081994 (2005-04-01), Beckley et al.
patent: 2005/0245721 (2005-11-01), Beckley et al.
patent: 1 435 383 (2004-07-01), None
patent: 1 462 501 (2004-09-01), None
patent: 1 593 727 (2005-11-01), None
patent: 1 640 388 (2006-03-01), None

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