Temperature-controlled process of producing polymer

Details Temperature-controlled process of producing polymer Temperature-controlled process of producing polymer

2005-09-13

2005-09-13

Cheung, William K. (Department: 1713)

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

Synthetic resins

Polymerizing in presence of inert solid masses so as to...

C526S221000, C526S234000, C526S317100

Reexamination Certificate

active

06943222

ABSTRACT:
A process of producing a polymer by aqueous solution polymerization with good productivity without causing the formation of noxious gases or the formation of impurities due to the noxious gases, or without any danger of foaming and the like is disclosed. The process includes subjecting a monomer to aqueous solution polymerization while controlling the temperature using at least one device of an external circulation device and an internal coil device each having heat exchanging function.

REFERENCES:
patent: 3646099 (1972-02-01), Dannals
patent: 5760129 (1998-06-01), Lau
patent: 6310156 (2001-10-01), Maeda et al.
patent: 11-315115 (1999-11-01), None
patent: 2001-192404 (2001-07-01), None
Chemical Abstracts, “Manufacture of High-Molecular-Weight Watersoluble Polymers as Flocculating Agents”, (1998), vol. 110, No. 14, p. 14.
European Search Report dated Jul. 7, 2004.

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