Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1983-03-18
1985-04-23
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253331, 5253332, 525379, C08S 832
Patent
active
045131210
ABSTRACT:
A process and product formed therefrom for imparting wet strength to cellulosic sheet materials by incorporating into the materials a polymeric product having the structural characterization of a substantially completely saturated hydrocarbon polymer chain with pendant secondary and/or tertiary alkylene amine groups and alkylene quaternary ammonium groups.
REFERENCES:
patent: 4233417 (1980-11-01), Van Eenam
patent: 4312965 (1982-01-01), Jachmowicz et al.
Hansson Per E. A.
Jachimowicz Felek
Lipman Bernard
Schofer Joseph L.
Troffkin Howard J.
W. R. Grace & Co.
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