Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-01-16
1993-08-24
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 56, C08F 800, C08G 6391
Patent
active
052389960
ABSTRACT:
A binder resin for a heat transfer layer, which consists essentially of a polyvinyl acetacetal resin (I) having an acetacetalation degree of at least 87% by weight, the weight ratio of cis-vinyl acetacetal moiety/trans-vinyl acetacetal moiety in the acetacetal moiety of the resin (I) being from 1 to 4.
REFERENCES:
patent: 5068282 (1991-11-01), Kanto et al.
Patent Abstracts of Japan, vol. 14, No. 237 (M-976) [4180], May 21, 1990, N. Takahashi, et al., "Binder For Thermosensitive Recording Medium", & JP-A-2-63788, Mar. 5, 1990.
Nishijima Akio
Otake Hirohisa
Ozai Satoshi
Denki Kagaku Kogyo Kabushiki Kaisha
DeWitt LaVonda
Michl Paul R.
Sony Corporation
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