Ultrathin polyether sulfone polymer films and their preparation

United States of America Patent

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Oct 11, 1988
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N/A
app pub date
Oct 10, 1986
filing date
Oct 10, 1986

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Expired

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Abstract

Disclosed herein are free-standing, pinhole-free, ultrathin polyether sulfone films having thicknesses of about 400 angstroms or less and a process for preparing them. The films find particular utility in separatory applications.

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Patent Owner(s)

Patent Owner	Address
HOECHST CELANESE CORPORATION	P O BOX 9077 1901 CLARKWOOD RD CORPUS CHRISTI TX 78409

International Classification(s)

B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kohn, Rachel S	Springfield, NJ	27	263

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Ultrathin polyether sulfone polymer films and their preparation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06918284

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PATENT NO	4776999
SERIAL NO	06918284
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06918284

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