Cardanol based dimers and uses therefor

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

Reexamination Certificate

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C528S027000, C528S403000, C528S486000, C528S50200C, C528S503000, C556S424000, C556S449000

Reexamination Certificate

active

07994268

ABSTRACT:
Cardanol based dimers are provided. The cardanol dimers are formed by hydrosilylation with silanes. Cardanol based dimers may be further reacted to form epoxy curing agents and epoxies which can be used as anti-fouling coatings on ship hulls and marine structures. The cardanol dimers may also be used to produce friction particles or phenolic resins. Methods of synthesizing the cardanol based dimers, the epoxy curing agents and the epoxies are also provided.

REFERENCES:
patent: 3931267 (1976-01-01), Brode
patent: 4866026 (1989-09-01), Henzel et al.
patent: 5204438 (1993-04-01), Snow et al.
patent: 5349102 (1994-09-01), Tuinstra et al.
International Search Report, Sep. 3, 2008.

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