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Assignee: Tokuyama Sekisui Kogyo Kabushiki Kaisha


Location: Osaka, JP
No. of patents: 8

NumberTitleIssue Date
4517350Process for removing polymer scale adhering to a polymerization vessel
A method for removing polymer scales adhering to the inner surface of a polymerization vessel, which comprises polymerizing vinyl chloride monomer in an aqueous medium, discharging the resulting vinyl chloride polymer together with the aqueous medium from...
05/14/1985
4465615Electroconductive resin composition and a videodisc record
An electroconductive resin composition is a blend of 5-30% by weight carbon black and a graft-polymer. The graft-polymer is obtained by graft polymerizing 99-76 parts by weight of monomeric vinyl chloride to 1-15 parts by weight of an ethylenevinyl acetat...
08/14/1984
4404337Process for inhibiting the formation of scale in the suspension polymerization of vinyl chloride
The formation of scale on the inner surfaces of a vessel used for suspension polymerizing vinyl chloride is inhibited by applying a ternary reaction product of furfural, a polyamine and a phenol to said inner surfaces or by adding the ternary product to t...
09/13/1983
4396660Electroconductive resin composition and a videodisc record
An electroconductive resin composition is a blend of 5-30% by weight of carbon black and a graft-polymer. The graft-polymer is obtained by graft-polymerizing 99-76 parts by weight of monomeric vinyl chloride to 1-15 parts by weight of an ethylene-vinyl ac...
08/02/1983
4165415Method for preparation of a foam of chlorinated vinyl chloride polymer employing a lower aliphatic alcohol foaming agent
A method for preparing foams of chlorinated vinyl chloride polymers is provided. The foams are prepared by impregnating the chlorinated vinyl chloride polymer with an aliphatic alcohol of from 1 to 5 carbon atoms and thereafter heating the impregnated pol...
08/21/1979
4100222Agent for improving weatherability of synthetic resin
Compositions for improving the weatherability of synthetic resins are prepared by modifying an epoxy resin with at least one acid selected from the group consisting of cinnamic acid, ଱-methylcinnamic acid and o-coumaric acid. The addition of such ag...
07/11/1978
4049517Process for preparing chlorinated polymer or copolymer of vinyl chloride
A process for preparing a chlorinated polymer or copolymer of vinyl chloride which comprises varying the amount of ultraviolet rays irradiated to a unit amount of the polymer or copolymer to control the reaction rate within the range from 0.75-0.25 mole/h...
09/20/1977
3984491Agent for improving weatherability of synthetic resin
Compositions for improving the weatherability of synthetic resins are prepared by modifying an epoxy resin with at least one acid selected from the group consisting of cinnamic acid, ଱-methylcinnamic acid and o-coumaric acid. The addition of such ag...
10/05/1976
 
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