Superhydrophobic coating

Stock material or miscellaneous articles – Composite – Of silicon containing

Reexamination Certificate

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C428S373000, C428S374000, C428S391000, C428S392000, C428S370000, C428S149000, C106S287160, C106S481000, C528S025000, C528S026000, C528S027000, C528S032000, C528S041000, C528S042000, C528S043000

Reexamination Certificate

active

07914897

ABSTRACT:
A composition for coating comprising at least one compound of formula (I): R<a>Si(R<1>)n(X<1>)3-n, and optionally at least one compound of formula (II): R<b>Si(R<2>)m(X<2>)3-m, wherein R<a> is a straight-chain or branched C(1-24) alkyl group, R<b> is an aromatic group, such as an optionally substituted carbocyclic and heterocyclic group comprising five-, six- or ten-membered ring systems, which is linked by a single covalent bond or a spacer unit, such as a straight-chain or branched alkyl residue having 1 to 8 carbon atoms, to the Si- atom, R<1> and R<2> are, independently of each other a lower alkyl group, such as a straight chain and branched hydrocarbon radical having 1 to 6 carbon atoms, X<1> and X<2> are independently of each other a hydrolysable group, such as a halogen or an alkoxy group and n, m are independently of each other 0 or 1, with the proviso that if n and m are independently of each other 0 or 1, X may represent the same or different groups.

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