Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1991-06-28
1994-01-11
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
528 49, 528905, 521172, 525456, C08G 1870, C08G 1814
Patent
active
052782751
ABSTRACT:
A polyurethane resin composition containing a polyurethane resin composed of a high molecular weight polyol having a molecular weight of not less than 500, an organic polyisocyanate and optionally a compound having at least 2 active hydrogen-containing groups is disclosed. Not less than 30% by weight of the high molecular weight polyol is a polyester polyol, and the polyester polyol contains at least one tricyclic molecular skeleton in the molecular chain thereof in an amount of not less than 20 mole % based on total acid or glycol components.
REFERENCES:
patent: 4543369 (1985-09-01), Peerman et al.
Kenji Seko et al., "Actinic Energy Ray-Curable Composition", Patent Abstracts of Japan, vol. 10, No. 390 (C-394) Dec. 26, 1986, Abstract Only.
Asai Haruo
Fujimoto Hiroshi
Narusawa Haruhiko
Sugyo Yasunobu
Yatsuka Takeshi
Jones Richard Lee
Kight III John
Toyo Boseki Kabushiki Kaisha
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