Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-08-10
1990-02-20
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524158, 10628721, 10628723, C08K 534, C08K 542
Patent
active
049027344
ABSTRACT:
Acid-curable thermoset enamel compositions coming in contact with copper or copper-containing alloys are discolored and degrade more rapidly due to leaching of copper into the compositions. The presence of small amounts of benzotriazole or tolutriazole effectively prevents the discoloration and concomitantly retards degradation.
REFERENCES:
patent: 4283327 (1981-08-01), Dexter et al.
patent: 4315848 (1982-02-01), Dexter et al.
patent: 4426471 (1984-01-01), Berner
I. R. A. Christie et al., Trans. Inst. Metal Finishes, 50, 19 (1972).
Behrens Rudolf A.
Dexter Martin
Ciba-Geigy Corporation
Hall Luther A. R.
Kight John
Morgan Kriellion
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