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
1977-02-18
1978-07-18
Welsh, M. J.
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...
252182, 260859R, 260873, 260874, C08G 1800
Patent
active
041015274
ABSTRACT:
Polymer forming reactions have been previously known comprising five and six member oxazoline ring oxazolidines and reaction products containing the basic structure with polyfunctional aromatic and aliphatic isocyanates and moisture. Five types of oxazolidines have been previously illustrated. Use of these polymeric products have been found to be limited as the class of oxazolidines described in the prior art result in objectionable dark colored products. This invention relates to an advance thereover in providing light colored end products by use of a novel and specific dioxazabicyclo octanes, a substituted specialized class of oxazolidine ring compounds.
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patent: 3661861 (1972-05-01), Hunsucker
patent: 3676397 (1972-07-01), Clarke
patent: 3743626 (1973-07-01), Emmons
patent: 3793236 (1974-02-01), Ashida et al.
patent: 3817938 (1974-07-01), Ashida et al.
patent: 3937716 (1976-02-01), Lewis et al.
patent: 3946014 (1976-03-01), Fuger et al.
Cunningham Arthur L.
Mathai John
DuChez Neil A.
Smith Richard G.
The Sherwin-Williams Company
Tura James V.
Welsh M. J.
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