Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymer of an ethylenically unsaturated reactant with a...
Patent
1989-08-09
1990-08-07
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymer of an ethylenically unsaturated reactant with a...
526242, 526249, 526250, 526251, 528 86, 528205, 528396, 528397, C08G 6102
Patent
active
049469371
ABSTRACT:
Vinylene copolymers composed of recurrent structural units of formula I ##STR1## wherein Ar denotes an aromatic or heterocyclic group, R denotes an inert substituent and n stands for an integer with a value from 0-8 and processes for their preparation.
REFERENCES:
patent: 2135122 (1938-11-01), Coleman et al.
patent: 2257201 (1941-09-01), Smith et al.
patent: 3193538 (1965-07-01), Canterino et al.
patent: 4626588 (1986-12-01), Murase et al.
Morrison and Boyd, Organic Chemistry, 1973: Boston, 3rd Ed., p. 1033.
Greiner Andreas
Heitz Walter
Anderson Harold D.
Bayer Aktiengesellschaft
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