Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1983-12-12
1985-08-13
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525437, 525440, 525442, C08L 6702
Patent
active
045351325
ABSTRACT:
This invention encompasses a high solids, solvent-based, thermosetting composition having the necessary hardness and flexibility that make it an effective coating for both elastomeric and metal substrates. The composition comprises a polyester polyol and a curing agent such as an aminoplast.
REFERENCES:
patent: 3668276 (1972-06-01), Riemhofer et al.
patent: 3994851 (1976-11-01), Chang
patent: 4316940 (1982-02-01), Thornley
patent: 4332701 (1982-06-01), Ponyik, Jr. et al.
patent: 4352924 (1982-10-01), Wooten et al.
patent: 4405764 (1983-09-01), Tobias et al.
patent: 4419407 (1983-12-01), Piccirilli et al.
Ambrose Ronald R.
Chang Wen-Hsuan
Eslinger Delano R.
McKeough David T.
Porter, Jr. Samuel
Akorli Godfried R.
Pertilla Theodore E.
PPG Industries Inc.
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