Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-05-27
1988-11-15
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524808, 524814, 524815, 524817, 524827, 524829, 524831, 524832, 524833, C08K 515
Patent
active
047850361
ABSTRACT:
Water-in-oil emulsions of water-soluble polymers, i.e. polyacrylamides, which are subject to freeze-thaw degradation are stabilized against repeated freeze-thaw cycles by incorporating specific substituted succinic anhydrides.
REFERENCES:
patent: 3551370 (1970-12-01), Dalton
patent: 3666510 (1972-05-01), Coaker et al.
patent: 4339371 (1982-07-01), Robinson et al.
Raby Philip D.
Robinson Peter M.
Van-Det Nguyen
Cadenhead B. C.
Exxon Chemical Patents Inc.
Mahon J. J.
Reddick J. M.
Schofer Joseph L.
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