Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-08-06
1991-08-06
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524556, 524 96, 524833, C08L 3306
Patent
active
050378775
ABSTRACT:
A process for producing an acrylic and/or methacrylic polymer based preparation for the surface treatment of zinc consists in polymerizing at least one (meth)acrylic acid and at least one (meth)acrylate in a mixture of organic cosolvents. The preparation is then formed from the resultant copolymer in the cosolvents by dilution in a quantity of water and preferably an excess of water with respect to the cosolvents in the polymerization stage.
REFERENCES:
patent: 2958611 (1990-11-01), Ulrich
patent: 4139514 (1979-02-01), Bassett
patent: 4163739 (1979-08-01), Dalibor
patent: 4259219 (1981-03-01), Eschwey et al.
Produits Chimiques Auxiliaires et de Synthese (P.C.A.S.)
Reddick J. M.
Schofer Joseph L.
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