Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-05-08
1982-08-31
Lieberman, Paul
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524521, 525185, 525203, 525217, 525218, 525430, 525523, 525540, C08L 3904, C08L 5712, C08L 7102, C08L 7706
Patent
active
043473393
ABSTRACT:
Water soluble cationic block copolymer comprising at least one first polymer block selected from a first class consisting of polymeric species having amino groups in the polymeric structure thereof wherein a majority of said amino groups are quaternary, and at least one second polymer block selected from a second class consisting of polymer species having amino groups in the polymeric structure thereof wherein a majority of said amino groups are other than quaternary amino acids. Also included are the methods of making these copolymers.
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Boevink Jan E.
Derrick Arthur P.
Moodie John A.
Lieberman Paul
Miller Robert A.
Nalco Chemical Company
Premo John G.
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