Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-04-18
1989-02-21
Lieberman, Allan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525404, 525426, 526220, 526258, 526263, 526265, C08L 7102, C08L 7904
Patent
active
048066095
ABSTRACT:
(1) Pyrrolidonyl acrylate block polymers having the formula ##STR1## wherein n has a value of 1 to 3; X and X' are dissimilar and each is hydrogen or methyl; y and z each have a value of from 1 to 40, except that at least one of y and z is greater than 1 and R is hydrogen or methyl;
REFERENCES:
patent: 4223112 (1980-09-01), Hedrick et al.
patent: 4436933 (1984-03-01), Diery
patent: 4501861 (1985-02-01), Woodbrey
patent: 4528331 (1985-07-01), Knopf et al.
patent: 4644050 (1987-02-01), Mathias et al.
Hashem Mohamed M.
Tracy David J.
Vara Fulvio J.
GAF Corporation
Lieberman Allan M.
Maue Marilyn J.
Ward Joshua J.
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