Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
213 words
A gas permselective membrane which comprises a porous support having fine pores continuous in the thickness direction and a layer of a polymer laminated on the surface of said porous support, said polymer comprising silarylene--siloxane structural units represented by the following general formula wherein R stands for an alkyl group having 1 to 10 carbon atoms, a phenyl group, a nucleus-substituted phenyl group having 6 to 20 carbon atoms, or a substituted alkyl group having 1 to 10 carbon atoms, Ar stands for in which X is -0-, or -CH 2 -, or , and m is a number of from 5 to 8000, and diorganosiloxane structural units represented by the following general formula wherein R and R 2 each independently stand for an alkyl group having 1 to 10 carbon atoms, a phenyl group, a nucleus--substituted phenyl group having 6 to 20 carbon atoms, a substituted alkyl group having 1 to 10 carbon atoms, a vinyl. group, or an allyl group, and n is a number of from 0 to 2000, with the proviso that n/m is in the range of 0 < n/m < 50, wherein the average pore size of said porous membrane is 0.001 to 1 µm and the thickness of said polymer layer is 0.01 to 1 µm.
Claim 2
Dependent Claim
213 words
A gas permselective membrane which comprises a porous support having fine pores continuous in the thickness direction and a layer of a polymer laminated on the surface of said porous support, said polymer comprising silarylene--siloxane structural units represented by the following general formula wherein R stands for an alkyl group having 1 to 10 carbon atoms, a phenyl group, a nucleus-substituted phenyl group having 6 to 20 carbon atoms, or a substituted alkyl group having 1 to 10 carbon atoms, Ar stands for in which X is -0-, or -CH 2 -, or , and m is a number of from 5 to 8000, and diorganosiloxane structural units represented by the following general formula wherein R and R 2 each independently stand for an alkyl group having 1 to 10 carbon atoms, a phenyl group, a nucleus--substituted phenyl group having 6 to 20 carbon atoms, a substituted alkyl group having 1 to 10 carbon atoms, a vinyl. group, or an allyl group, and n is a number of from 0 to 2000, with the proviso that n/m is in the range of 0 < n/m < 50, wherein the average pore size of said porous membrane is 0.001 to 1 µm and the thickness of said polymer layer is 0.01 to 1 µm.
Claim 3
Dependent Claim
23 words
A gas permselective membrane as set forth in claim 1, wherein Ar is a group and R is a group -CH 3 .
Claim 4
Dependent Claim
23 words
A gas permselective membrane as set forth in claim 1, wherein R 1 and R 2 stand for a group -CH 3 .
Claim 5
Dependent Claim
25 words
A gas permselective membrane as set forth in claim 1, wherein R 1 is a group -CH 3 , and R 2 is a group
Claim 6
Dependent Claim
35 words
A gas permselective membrane as set forth in claim 1, wherein Ar is a group R is a group -CH 3 , and R 1 and R 2 stand for a group -CH 3 .
Claim 7
Dependent Claim
37 words
A gas permselective membrane as set forth in claim 1, wherein Ar is a group , R is a group -CH 3 , R 1 is a group -CH 3 , and R 2 is a group
Claim 8
Dependent Claim
41 words
A gas permselective membrane as set forth in claim 1, wherein m is a number of from 5 to 1000, n is a number of 1 to 2000, and n/m is in the range of 1/100 < n/ m < 50.
Claim 9
Dependent Claim
41 words
A gas permselective membrane as set forth in claim 1, wherein m is a number of from 5 to 500, n is a number of from 1 to 500, and n/m is in the range of 1/100 < n/m < 20.
Claim 10
Dependent Claim
27 words
A gas permselective membrane as set forth in claim 1, wherein m is a number of from 50 to 8000, and n is a number of 0.
Claim 11
Dependent Claim
27 words
A gas permselective membrane as set forth in claim 1, wherein the porous support is composed of a polysulfone resin, a polyether sulfone resin, or cellulose acetate.
Claim 12
Dependent Claim
25 words
ll. A gas permselective membrane as set forth in claim I, wherein the average pore size of the porous membrane is 0.005 to 0.05 µm.
Claim 13
Dependent Claim
24 words
A gas permselective membrane as set forth in claim 10, wherein the average pore size of the porous support is 0.005 to 0.05 µm.
Claim 14
Dependent Claim
22 words
A gas permselective membrane as set forth in claim 1, wherein the thickness of the polymer layer is 0.05 to 0.7 µm.
Claim 15
Dependent Claim
22 words
A gas permselective membrane as set forth in claim 1, wherein the thickness of the polymer layer is 0.1 to 0.5 µm.