Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1992-01-03
1993-12-14
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524271, 524272, 524277, 524322, 524477, 524487, 524488, 524489, 524491, 524559, 524560, 525226, 525227, C08K 501, C08K 509
Patent
active
052703606
ABSTRACT:
A two-phase thermoplastic composition adapted for forming thermoplastic patterns. The composition comprises an organic thermoplastic pattern material and at least about 5% by weight of discrete particles of cross-linked poly(methylmethacrylate) that are physically stable at temperatures above 130.degree. F. Also disclosed are investment casting patterns of such composition and processes utilizing such composition.
REFERENCES:
patent: 2752315 (1956-06-01), Kuettel
patent: 3964915 (1976-06-01), Doenges et al.
patent: 3969469 (1976-07-01), Love
patent: 3992486 (1976-11-01), Lang
Hawley's Condensed Chemical Dictionary edited by Sax et al., Eleventh Ed., Van Nostrand Reinhold, New York, 1989, p. 1233.
Billmeyer, Jr., Fred, Textbook of Polymer Science, John Wiley & Sons, New York, 1984, p. 436.
Hawley's Condensed Chemical Dictionary, Eleventh Ed., Van Nostrand Reinhold, New York, 1987, pp. 34, 35.
Delmendo R. H.
Schofer Joseph L.
Yates Manufacturing Company
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