Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-07-05
1993-04-20
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253289, 526271, 5263182, 523118, 523120, C08F 844, C08F 2008, C08F 2066, C08F22202
Patent
active
052044149
ABSTRACT:
Salts of lower alkyl vinyl ether/maleic anhydride are described as active components in dental adhesives. A process for the preparation of these salts is described.
The salts are partially neutralized mixed salts of lower alkyl vinyl ether/maleic anhydride copolymers. The neutralization of the copolymer is effected with aluminum, and calcium and/or sodium.
REFERENCES:
patent: 3511798 (1970-05-01), Isaacson et al.
patent: 4758630 (1988-07-01), Shah et al.
patent: 4929690 (1990-05-01), Goertz et al.
A brochure entitled "Aerosil", a product of the Degussa Company.
Kopp Werner
Pelah Zvi
Urmann Ernst
DeWitt LaVonda
Giulini Chemie GmbH
Michl Paul R.
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