Method of making a material

Details Method of making a material Method of making a material

2005-08-16

2005-08-16

Cameron, Erma (Department: 1762)

Coating processes

Foraminous product produced

Filter, sponge, or foam

Reexamination Certificate

active

06929824

ABSTRACT:
A method of making a material comprises the steps of coating a support with a solution, the solution comprising a polymer and at least one blowing agent. Activation of the blowing agent is prevented until after coating.

REFERENCES:
patent: 3794548 (1974-02-01), Wirth et al.
patent: 4657938 (1987-04-01), Fithian et al.
patent: 5356853 (1994-10-01), Ueno et al.
patent: 6228476 (2001-05-01), Bogrett et al.
patent: 2001/0021726 (2001-09-01), Brown
patent: 0 816 113 (1998-01-01), None
patent: 1 315 032 (2003-05-01), None
patent: 1 388 609 (2004-02-01), None
Daniel Klempner and Kurt C. Frisch; Chapter 17: Blowing Agents for Polymer foams, Section 3 chemical bklowing Agents (chapter written by Dr. Fyodor A. Shutov); 1991.

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