Protection of porous substrates before treatment

US8961803B1 · US · B1

Patent metadata
FieldValue
Publication numberUS-8961803-B1
Application numberUS-201414327449-A
CountryUS
Kind codeB1
Filing dateJul 9, 2014
Priority dateSep 17, 2013
Publication dateFeb 24, 2015
Grant dateFeb 24, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A method is provided for treating a surface of a porous material in an environment, the method comprising the steps of contacting a porous material with an organic gas in an environment having a pressure P1 and a temperature T1, wherein the organic gas is such that at the pressure P1 and at the temperature T1 it remains a gas when outside of the porous material but condenses as an organic liquid when in contact with the porous material, thereby filling pores of the porous material with the organic liquid, cooling down the filled porous material to a temperature T2 such that the organic liquid freezes within the pores, thereby sealing the pores with an organic solid, thereby providing a protected porous material, and performing a treatment on the surface.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for treating a surface of a porous material in an environment, the method comprising: I. contacting a porous material with an organic gas in an environment having a pressure P1 and a temperature T1, wherein the organic gas is such that at the pressure P1 and at the temperature T1 it remains a gas when outside of the porous material but condenses as an organic liquid when in contact with the porous material, thereby filling pores of the porous materi…

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What does patent US8961803B1 cover?
A method is provided for treating a surface of a porous material in an environment, the method comprising the steps of contacting a porous material with an organic gas in an environment having a pressure P1 and a temperature T1, wherein the organic gas is such that at the pressure P1 and at the temperature T1 it remains a gas when outside of the porous material but condenses as an organic liqui…
Who is the assignee on this patent?
Imec Vzw
What technology area does this patent fall under?
Primary CPC classification H10W20/081. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).