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Browse by Category: Main > Material Science
Class Information
Number: 524/916
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Hydrogel compositions
Description: Subject matter involving hydrogel compositions.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7619009 Systems and methods for controlling and forming polymer gels Nov. 17, 2009
7615258 Method of treating polymers Nov. 10, 2009
7595157 Microarrays utilizing hydrogels Sep. 29, 2009
7572644 Hydrogel copolymer, substrate coated with the copolymer, method of producing microarray using the copolymer, and microarray produced by the method Aug. 11, 2009
7553903 Swellable hydrogel-forming polymers having a low fraction of fines Jun. 30, 2009
7485670 Systems and methods for controlling and forming polymer gels Feb. 3, 2009
7407672 Composition derived from biological materials and method of use and preparation Aug. 5, 2008
7294348 Polyfunctional biocompatible hydrogel and method for the production thereof Nov. 13, 2007
7235592 PVA hydrogel Jun. 26, 2007
7199185 Use of reactive polymeric surfactants in the formation of emulsions Apr. 3, 2007
7196139 Water-absorbent resin composition Mar. 27, 2007
7193007 Environment responsive gelling copolymer Mar. 20, 2007
7144957 Polymer mixture of hydrogels with different pH value Dec. 5, 2006
7132479 Polymer mixtures with improved odor control Nov. 7, 2006
7105588 Screen printable hydrogel for medical applications Sep. 12, 2006
7045559 Electrically conductive adhesive hydrogels with solubilizer May. 16, 2006
7012105 Structure having balanced pH profile Mar. 14, 2006
6943206 Organic/inorganic hybrid hydrogel and manufacturing method therefor Sep. 13, 2005
6923986 Multiblock biodegradable hydrogels for drug delivery and tissue treatment Aug. 2, 2005
6867269 Water-absorbent resin and production process therefor Mar. 15, 2005
6846881 Preparation of defect-free polyacrylamide electrophoresis gels in plastic cassettes Jan. 25, 2005
6835773 Use of N-methylurea for electrophoresis of small proteins Dec. 28, 2004
6790840 Reversibly cross-linked hydrogels Sep. 14, 2004
6783721 Method of making an ion treated hydrogel Aug. 31, 2004
6723781 Hydrogels containing substances Apr. 20, 2004
6720389 Water-absorbent resin and production process therefor Apr. 13, 2004
6716885 Storage-stable aerated gel composition and a process for producing it Apr. 6, 2004
6710104 Organic/inorganic hybrid hydrogel and manufacturing method therefor Mar. 23, 2004
6617372 Process of making polymeric hydrogel products Sep. 9, 2003
6602950 Hydrophilic hydrogels with a high swelling capacity and method for producing and using them Aug. 5, 2003
6573320 Acrylic resin composition, painted-film molded resin plate using the same, and coating member for solar cell panel Jun. 3, 2003
6565768 Method for producing water-swellable hydorphilic polymers, said polymers and use thereof May. 20, 2003
6559223 Hydrogels and methods for their production May. 6, 2003
6552103 Biomimetic hydrogel materials Apr. 22, 2003
6503979 Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones Jan. 7, 2003
6472478 Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones Oct. 29, 2002
6458877 Compositions comprising a thermoplastic component and superabsorbent polymer Oct. 1, 2002
6417247 Polymer/ceramic composites Jul. 9, 2002
6414049 Stable initiator system Jul. 2, 2002
6407161 Polymerization processes and products and uses of the products Jun. 18, 2002
6387978 Medical devices comprising ionically and non-ionically crosslinked polymer hydrogels having improved mechanical properties May. 14, 2002
6375970 Methods and materials for preterm birth prevention Apr. 23, 2002
6350812 Hydrogels containing triblock copolymers, and preparation and use thereof Feb. 26, 2002
6258586 Solid culture medium for microorganisms, process for its preparation, and use Jul. 10, 2001
6228299 Gelcasting compositions having improved drying characteristics and machinability May. 8, 2001
6224892 Polyesterhydrogels May. 1, 2001
6203779 Methods for treating endoleaks during endovascular repair of abdominal aortic aneurysms Mar. 20, 2001
6201065 Multiblock biodegradable hydrogels for drug delivery and tissue treatment Mar. 13, 2001
6184266 Medical devices comprising cross-linked hydrogels having improved mechanical properties Feb. 6, 2001
6174525 Recreational fishing lure Jan. 16, 2001

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