Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1986-12-22
1987-12-08
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521180, 528 95, 528167, 528171, 528176, 528211, 528212, 528217, C08V 900
Patent
active
047119110
ABSTRACT:
Phenolic resins are produced by reacting a substituted alcohol or epoxy compound with a phenol compound in the presence of an alkali salt-forming compound. The phenolic resin may be utilized as molding material, as a coating agent and as an adhesive.
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patent: 2945004 (1960-07-01), Greenlee
patent: 4358578 (1982-11-01), Brownscombe
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