US 4,517,375 AGranted

Stable aqueous impregnating solutions prepared from hydrolyzed alkyltrialkoxysilanes

AssigneeDynamit Nobel Aktiengesellschaft

InventorWerner Schmidt

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Abstract

This invention relates to solutions of silanols prepared by hydrolysis of alkyltrialkoxysilanes whose alkoxy groups are partially or completely hydrolyzed. Preferred hydrolyzed alkyltrialkoxysilanes are of the formula CH.sub.3 --CH.sub.2 --CH.sub.2 --Si(OH).sub.n (OH').sub.3-n.

Claims5

Dependent claims

Stable aqueous solution of hydrolyzed alkyltrialkoxysilanes wherein the solution has a pH value from 2 to 7.

Dependencies are inferred from the claim text.

Facts

Application: 06/375,941Filed 7 May 1982 · division
Priority: DE 30372202 Oct 1980
Granted: 14 May 1985
Term ends: Not estimatedThe source records don’t support an estimate.

Classification17 codes

C04B 41/009
After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone: characterised by the material treated
C04B 20/1051
Coating or impregnating: organo-metallic compounds; Organo-silicon compounds, e.g. bentone
C04B 41/4938
Applied to the substrate as monomers, i.e. as organosilanes RnSiX4-n, e.g. alkyltrialkoxysilane, dialkyldialkoxysilane: containing silicon bound…
C04B 41/64
With organic materials: compounds having one or more carbon-to-metal of carbon-to-silicon linkages

Family

Serial304,480Parent of this division · filed 22 Sep 1981
US 4,352,894 AParent of this division
US 4,517,375 AThis patent

From the US filing history. Foreign family members aren’t listed.

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