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US 6,956,077 B1Granted
Temperature-responsive polymer compound and process for producing the same
AssigneeAmersham Biosciences AB
InventorsYoshikatsu Akiyama, Kimihiro Yoshizako, Yukio Hasegawa, Teruo Okano
Life of this patent
Estimating the term…
Abstract
A temperature-responsive polymer and polymer material which has ester bond(s) and/or acid amide bond(s) respectively at one or more sites in the side chain and can be arbitrarily controlled by varying the side chain is provided.
Claims3
A polymer compound comprising a structure selected from the group consisting of:
- wherein:
- R is a linear or branched divalent aliphatic hydrocarbon group having 1 to 8 carbon atoms, a divalent alicyclic hydrocarbon group having 3 to 8 carbon atoms, or a divalent aromatic hydrocarbon group having 6 to 14 carbon atoms;
- R′ is a linear or branched aliphatic hydrocarbon group having 1 to 8 carbon atoms, a linear or branched aliphatic hydrocarbon group having one or more hydroxyl groups and 1 to 8 carbon atoms, a linear or branched aliphatic hydrocarbon group having one or more acid amide bonds and/or ester bonds and 2 to 9 carbon atoms, or a linear or branched aliphatic hydrocarbon group having one or more acid amide bonds and/or ester bonds, one or more hydroxyl groups and 3 to 9 carbon atoms;
- and
- n is an integer of 2 or greater, wherein said polymer has acid amide bonds at two or more sites in the polymer chain.
2 more elements
A polymer material comprising a structure selected from the group consisting of:
- wherein:
- R is a linear or branched divalent aliphatic hydrocarbon group having 1 to 8 carbon atoms, a divalent alicyclic hydrocarbon group having 3 to 8 carbon atoms, or a divalent aromatic hydrocarbon group having 6 to 14 carbon atoms;
- R′ is a linear or branched aliphatic hydrocarbon group having 1 to 8 carbon atoms, a linear or branched aliphatic hydrocarbon group having one or more hydroxyl groups and 1 to 8 carbon atoms, a linear or branched aliphatic hydrocarbon group having one or more acid amide bonds and/or ester bonds and 2 to 9 carbon atoms, or a linear or branched aliphatic hydrocarbon group having one or more acid amide bonds and/or ester bonds, one or more hydroxyl groups and 3 to 9 carbon atoms;
- and
- n is an integer of 2 or greater, wherein said polymer has acid amide bonds at two or more sites in the polymer chain.
2 more elements
A material for separating or absorbing biological samples comprising a structure selected from the group consisting of:
- wherein:
- R is a linear or branched divalent aliphatic hydrocarbon group having 1 to 8 carbon atoms, a divalent alicyclic hydrocarbon group having 3 to 8 carbon atoms, or a divalent aromatic hydrocarbon group having 6 to 14 carbon atoms;
- R′ is a linear or branched aliphatic hydrocarbon group having 1 to 8 carbon atoms, a linear or branched aliphatic hydrocarbon group having one or more hydroxyl groups and 1 to 8 carbon atoms, a linear or branched aliphatic hydrocarbon group having one or more add amide bonds and/or ester bonds and 2 to 9 carbon atoms, or a linear or branched aliphatic hydrocarbon group having one or more acid amide bonds and/or ester bonds, one or more hydroxyl groups and 3 to 9 carbon atoms;
- and
- n is an integer of 2 or greater, wherein said polymer has acid amide bonds at two or more sites in the polymer chain.
2 more elements
Dependencies are inferred from the claim text.