Dow Corning Corporation

Lori A Stark

Dipak B Narula

Howard M Bank

A composition which is an aqueous solution including (i) an alkyltrialkoxysilane with C.sub.1 to C.sub.6 alkyl groups on silicon; (ii) a silane coupling agent, (iii) an amino resin, and (iv) a quaternary ammonium silane. The composition is used to render surfaces water repellent.

Water repellents containing organosilicon compounds

A surface treating composition for excluding water penetration which is a solution obtained by combining water; an alkyltrialkoxysilane selected from the group consisting of C.sub.1 to C.sub.6 alkyl groups on silicon and blends of alkyltrialkoxysilanes with C.sub.1 to C.sub.6 alkyl groups on silicon; a silane coupling agent; and an aqueous silicone emulsion of an anionically stabilized hydroxyl endblocked polydiorganosiloxane, amorphous silica and an organic tin salt.

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Midland, MI, United States of America

Lori A Stark