Deoxygenation in field preparation of polymers in aqueous soluti

Details Deoxygenation in field preparation of polymers in aqueous soluti Deoxygenation in field preparation of polymers in aqueous soluti

1989-08-14

1992-03-24

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing heterocyclic carbon compound having only o, n, s,...

435119, 435122, 435128, 435189, 435190, 435191, C12P 1710, C12P 1718, C12P 1300, C12P 1302

Patent

active

050988360

ABSTRACT:
In a process for polymerizing monomers with free-radical initiators in aqueous solution to produce polymers useful in oil field applications, wherein said polymerization process employs an oxygen-scavenging agent, the improvement which comprises employing said oxygen scavenging agent and oxidase enzyme with a substrate therefor, optionally with a catalase, such as alcohol oxidase and methanol, to consume dissolved oxygen in a polymerization admixture. Oxygen-scavenging under field conditions with the oxidase/substrate system permits consistent production conveniently of water based polymer solutions of good viscosity for oil field applications.

REFERENCES:
patent: Re23523 (1952-07-01), Baker
patent: 3500925 (1970-03-01), Beiswanger et al.
patent: 3733205 (1973-05-01), Shovers et al.
patent: 3788950 (1974-01-01), Hicks et al.
patent: 4395340 (1983-07-01), McLaughlin
patent: 4414334 (1983-11-01), Hitzman
JPO Abstract 57-32213, Yoshida et al, Jun. 11, 1982.

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