Terpolymers of maleic anhydride and their use as scale control a

Details Terpolymers of maleic anhydride and their use as scale control a Terpolymers of maleic anhydride and their use as scale control a

1978-12-08

1980-09-16

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

210701, 525360, 525369, 525328, 525374, 525375, 526 74, 526271, 526272, 526909, 252180, 528499, 203 7, 159DIG13, C08F 400, C08F 206, C08F 2200, C23F 1000

Patent

active

042231205

ABSTRACT:
Terpolymers of maleic anhydride, acrylamide or methacrylamide and a third monomer consisting of octene, styrene and the like.
Copolymers of maleic anhydride and acrylamide or methacrylamide.
Use of the hydrolyzed form of the terpolymer as a scale control agent.
Novel process employing a mixture of aromatic and ketonic solvent and a temperature of at least 120.degree. C. which renders the polymers of the invention insoluble in water at ambient temperature.

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patent: 3715307 (1973-02-01), Johnson et al.
patent: 3755264 (1973-08-01), Testa
patent: 3810834 (1974-05-01), Jones et al.
patent: 4001134 (1977-01-01), Markofsky et al.
patent: 4018702 (1977-04-01), Boffardi et al.
Chem. Abs. 76-474595 Nakakoshi.
Chem. Abs. 18821b vol. 75 Food Add.
Chem. Abs. 126818x vol. 75 Yakovleva et al. "Radiation Polymer of Acrylamide in Two-Phase System".
Chem. Abs. 193206h vol. 85 Baramboim, Nik.

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