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
1998-04-07
1999-09-21
Gorr, Rachel
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 73, 525 541, 525 542, 523112, 514822, 514 56, 427414, 623 1, C08G 1810
Patent
active
059555602
ABSTRACT:
The compound of formula ##STR1## is useful as chain extender in the preparation of polymers, in particular of linear and cross-linkable, heparinizable, biocompatible polymers.
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R. Barbucci et al; Synthesis and Physicochemical Characterization of a New Material Based on Polyurethane; Biomaterials 10(5) pp. 299-308, 1989.
Chemical Abstracts, vol. 55, No. 7, Apr. 3, 1961, Abs. No. 6485b, S. Groszkowski, "New Derivatives of Piperazine", XP002072927; & Roczniki Chem., vol. 34, 1960, pp. 707-708.
Gorr Rachel
Tecnobiomedica S.p.A.
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