Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1990-12-18
1992-04-07
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564192, C07C23305, C07C23353, C07C23355
Patent
active
051030578
ABSTRACT:
New acrylamide copolymers formed by (meth)acrylamide benzene dicarboxylic monomer units in accordance with the following formula: ##STR1## wherein R is H or CH.sub.3 ; X is H or an alkaline metal or NH.sub.4 ; and wherein the COOX groups may be in ortho-, meta- or para- position in relation to each other, preferably being in ortho- position to each other; and of (meth)acrylamide monomer (II) units.
REFERENCES:
patent: 3794563 (1974-02-01), Barker et al.
patent: 4237253 (1980-12-01), Jacquet et al.
patent: 4668747 (1987-05-01), Codel et al.
Bonaccorsi Fabrizio
Cova Umberto
Lockhart Thomas P.
Pappa Rosario
Roggero Arnaldo
Agip S.p.A.
Eniricerche S.p.A.
Hollrah Glennon H.
Kumar Shailendra
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