Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carbohydrate or derivative as a reactant
Patent
1985-01-09
1986-10-21
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carbohydrate or derivative as a reactant
527312, 527313, 527314, 527315, 523109, 351160R, C08G 8900, C08F 3600
Patent
active
046186646
ABSTRACT:
A pullulan copolymer obtained by reacting with a polymerizable olefinic compound a pullulan ester which is produced by reacting pullulan with an unsaturated acid to introduce a double bond of carbon thereinto. It is highly hydrophilic and is a material having a high affinity for a living body and which is, therefore, useful for making contact lenses, intraocular lenses, artificial bones and blood vessels, etc.
REFERENCES:
patent: 3912591 (1975-10-01), Kato et al.
patent: 4029616 (1977-06-01), Nakashio et al.
patent: 4280937 (1981-07-01), Bartl et al.
Wallenfels et al, Untersuchungen an Pullulan, Biochemische Zeitschrift, vol. 341, pp. 443-450 (1965).
Kirk-Othmer Encyclopedia of Chemical Technology, 3rd Edition (Wiley 1978-84) vol. 9, pp. 198 and 218, vol. 12, p. 62 and vol. 15, p. 455.
Anderson Harold D.
Kamiya Sadayoshi
Nutter Nathan M.
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