Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1998-10-21
2000-04-11
Nutter, Nathan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 5424, 525 5426, C08G 6348, C08G 6391, C08F 1606
Patent
active
060489294
ABSTRACT:
Modified starches prepared by cooking an amphoteric or cationic starch and an anionic, amphoteric, or cationic polyacrylamide have utility as a retention aid in the manufacture of paper.
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E. I. Du Pont de Nemours and Company
Nutter Nathan M.
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