Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1989-04-19
1993-04-20
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 28, 528 38, C08G 7726
Patent
active
052044327
ABSTRACT:
A silicone resin fine powder containing a quaternary ammonium group-containing organofunctional group and having excellent physiological activity, hydrophilicity and polarity, which comprises units represented by RSiO.sub.3/2 wherein R represents a substituted or unsubstituted monovalent hydrocarbon group, and additionally at least one of units represented by SiO.sub.2 and units represented by RSiO wherein R is the same as defined above.
REFERENCES:
patent: 2972598 (1961-02-01), Morehouse
patent: 4377675 (1981-06-01), Daudt
patent: 4410669 (1983-10-01), Panster et al.
patent: 4424297 (1984-01-01), Bey
Kimura Hiroshi
Saito Kenji
Dean Jr. R.
Marquis Melvyn I.
Toshiba Silicone Co. Ltd.
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