Collapsible gel compositions

United States of America Patent

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Mar 31, 1992
Issued Date
N/A
app pub date
Jan 26, 1990
filing date
Mar 31, 1986

priority date (Note)
Expired

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Abstract

Ionized crosslinked polyacrylamide gels are provided that are capable of drastic volume changes in response to minor changes in solvent concentration, temperature of pH or salt concentration of the solvent. The gels can contain a metal ion.

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Patent Owner(s)

Patent Owner	Address
MASSACHUSETTS INSTITUTE OF TECHNOLOGY	CAMBRIDGE MA 02139

International Classification(s)

C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nishio, Izumi	Somerville, MA	2	98
Sun, Shao-Tang	Arlington, MA	20	1002
Tanaka, Toyoichi	Newton, MA	9	384

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Collapsible gel compositions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07470977

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PATENT NO	5100933
SERIAL NO	07470977
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07470977

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