Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Having discontinuous gas or vapor phase – e.g. – foam:
Patent
1997-04-17
1999-05-11
Lovering, Richard D.
Colloid systems and wetting agents; subcombinations thereof; pro
Continuous liquid or supercritical phase: colloid systems;...
Having discontinuous gas or vapor phase, e.g., foam:
424 45, 424 47, 424 73, 510159, 510406, 514945, 516 14, B01J13/00
Patent
active
059022256
ABSTRACT:
This invention provides compositions which are dispensed as initial-stage foams and which post-foam upon spreading during use, thereby exhibiting multiple levels of foam. Each such composition includes a foamable utilitarian constituent, a liquid post-foaming agent, and a compressed gas.
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Derwent abstract for Japanese laid open document to Tanaka No. 5-112427 referred to above, AN-93-185145, week 9323.
Derwent abstract for Japanese patent document to Takahashi No. 6-093126 referred to above, AN-94-148041, week 9418.
Lovering Richard D.
Metzmaier Daniel S.
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