US PATENT SUBCLASS 427 / 373
.~.~ Cells, foam, or bubbles formed
Current as of:
June, 1999
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427 /
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COATING PROCESSES
331
DF
WITH POST-TREATMENT OF COATING OR COATING MATERIAL
{14}
372.2
DF
.~ Heating or drying (e.g., polymerizing, vulcanizing, curing, etc.) {8}
373
.~.~ Cells, foam, or bubbles formed
DEFINITION
Classification: 427/373
(under subclass 372.2) Processes wherein the coating is caused to foam or wherein bubbles or cells are formed in the coating during heating or drying.
SEE OR SEARCH THIS CLASS, SUBCLASS:
244, and 245+, for the formation of microporous coatings.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
77+, for pore forming or foaming a lamina in situ.
521, Synthetic Resins or Natural Rubbers, 51+, for pore-forming, per se, in a synthetic resin or natural rubber composition.
