Novel alicyclic polyimide gas separation membranes

United States of America Patent

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Jan 29, 1991
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N/A
app pub date
Sep 12, 1989
filing date
Sep 12, 1989

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Expired

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Abstract

This invention relates to novel polyimide gas separation membranes derived from alicyclic dianhydrides and aliphatic, alicyclic, or aromatic diamines, and a process for using such membranes.

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Patent Owner	Address
CYNARA COMPANY THE	400 WEST SAM HOUSTON PARKWAY SOUTH HOUSTON TX 77042

International Classification(s)

B01D:SEPARATION

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jeanes, Thomas O	Antioch, CA	17	353
Sanders, Jr Edgar S	Pittsburg, CA	14	162
Summers, John D	Walnut Creek, CA	34	234

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Novel alicyclic polyimide gas separation membranes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07406675

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PATENT NO	4988371
SERIAL NO	07406675
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07406675

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