Carnuba silicone wax

Details Carnuba silicone wax Carnuba silicone wax

2006-12-26

2006-12-26

Brunsman, David M. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S038250, C106S270000, C106S502000, C430S108300, C508S205000, C514S785000, C554S077000, C556S440000, C556S442000

Reexamination Certificate

active

07153353

ABSTRACT:
A carnuba silicone wax which does not contain free silicone oil. This wax is obtained by reacting a silicone compound having a substituent with reactivity to the hydroxyl group in natural carnuba wax, with this hydroxyl group. A carboxyl group may be introduced into the molecule by reacting this hydroxyl group with a cyclic acid anhydride, and a silicone compound having a group which can react directly with this carboxyl group is made to react. Alternatively, a hydrogen silicone may be hydrosilylated by a double bond introduced by reacting an epoxy compound having a double bond with this carboxyl group.

REFERENCES:
patent: 3563941 (1971-02-01), Plueddemann
patent: 4725658 (1988-02-01), Thayer et al.
patent: 5888485 (1999-03-01), O'Lenick et al.

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