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Class Information
Number: 528/904
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Isocyanate polymer having stated hydrophilic or hydrophobic property
Description: Subject matter involving a polymer derived from at least one -N=C=X- containing reactant (X is a chalcogen atom) which has a specific affinity for or aversion to water, i.e., possessing hydrophilic or hydrophobic properties.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7589163 |
Peel-treating agent and method for producing the peel-treating agent |
Sep. 15, 2009 |
| 7193028 |
Peel-treating agent and method for producing the peel-treating agent |
Mar. 20, 2007 |
| 6894140 |
Fast curing compositions |
May. 17, 2005 |
| 6806341 |
Method for forming an adhesive layer using hydrophilic polyurethanes related applications |
Oct. 19, 2004 |
| 6790926 |
Water vapor permeable thermoplastic polyurethane film |
Sep. 14, 2004 |
| 6753384 |
Polyurethanes obtained from hydroxyalkanoates and isocyanates |
Jun. 22, 2004 |
| 6720401 |
Coating composition |
Apr. 13, 2004 |
| 6399735 |
Hydrophilic polyurethanes |
Jun. 4, 2002 |
| 6130309 |
Hydrophilic polyether polyurethanes containing carboxylic acid |
Oct. 10, 2000 |
| 5763682 |
Hydrophilic polyol and process for production thereof |
Jun. 9, 1998 |
| 5710117 |
Detergent formulation with anti soiling properties for washing laundry |
Jan. 20, 1998 |
| 5589543 |
Polyurethane elastomers prepared from difunctional telechelic linear non-crosslinked polyolefins |
Dec. 31, 1996 |
| 5512176 |
Desalination process |
Apr. 30, 1996 |
| 5403750 |
Biocompatible, low protein adsorption affinity matrix |
Apr. 4, 1995 |
| 5354835 |
Desalination process |
Oct. 11, 1994 |
| 5349041 |
Water dilutable, polyester polyols and their use in coating compositions |
Sep. 20, 1994 |
| 5326847 |
Hindered phenolic antioxidant; antioxidant containing hydrophilic urethane polymer; dry cleaning solvent resistant, waterproof, moisture-vapor permeable material containing the polymer; and me |
Jul. 5, 1994 |
| 5252671 |
Coating compositions for coatings that are permeable to water vapor and a process for their preparation |
Oct. 12, 1993 |
| 5231116 |
Hydrophilic urethane prepolymer composition |
Jul. 27, 1993 |
| 5189133 |
Hydrophylic, olefinically unsaturated polyurethanes and their use as reactive emulsifiers |
Feb. 23, 1993 |
| 5179174 |
Flexible lubricious organic coatings |
Jan. 12, 1993 |
| 5173301 |
Surgical adhesive |
Dec. 22, 1992 |
| 5169720 |
Protein non-adsorptive polyurea-urethane polymer coated devices |
Dec. 8, 1992 |
| 5118779 |
Hydrophilic polyurethane elastomers |
Jun. 2, 1992 |
| 5023309 |
Water dispersible, modified polyurethane thickener with improved high shear viscosity in aqueous systems |
Jun. 11, 1991 |
| 4994542 |
Surgical adhesive |
Feb. 19, 1991 |
| 4945149 |
Coating composition a non-porous moisture-permeable coating layer or film of a hydrophilic polyurethane resin |
Jul. 31, 1990 |
| 4940737 |
Chemically modified hydrophilic prepolymers and polymers |
Jul. 10, 1990 |
| 4886866 |
Contact lenses based on biocompatible polyurethane and polyurea-urethane hydrated polymers |
Dec. 12, 1989 |
| 4873086 |
Hydrogels with increased organic solvent soluble active agent loading capacity, their preparation and the use thereof |
Oct. 10, 1989 |
| 4789720 |
Hydrophilic polyurethanes prepared from mixed oxyalkylene glycols |
Dec. 6, 1988 |
| 4745170 |
Polyurethane elastomers from EO/BO polyether polyols |
May. 17, 1988 |
| 4740534 |
Surgical adhesive |
Apr. 26, 1988 |
| 4670330 |
Moisture-permeable, antistatic, and oil-resistant work gloves and production of the same |
Jun. 2, 1987 |
| 4663377 |
Polyisocyanate preparation dispersible in water and their use as an additive for aqueous adhesives |
May. 5, 1987 |
| 4499233 |
Water dispersible, modified polyurethane and a thickened aqueous composition containing it |
Feb. 12, 1985 |
| 4454309 |
Polyurethane polyene compositions |
Jun. 12, 1984 |
| 4439552 |
Method of preparing a urethane prepolymer and polymer |
Mar. 27, 1984 |
| 4439584 |
Gas and ion permeable membranes formed of polyurethane diacrylate compositions |
Mar. 27, 1984 |
| 4439583 |
Polyurethane diacrylate compositions useful in forming canulae |
Mar. 27, 1984 |
| 4439585 |
Polyurethane diacrylate compositions as carrier for pharmacological agents |
Mar. 27, 1984 |
| 4438226 |
Polyurethanes derived from 1,4-lactones of 3,6-anhydro-2,3,4,5,6-pentahydroxyhexanoic acid |
Mar. 20, 1984 |
| 4424305 |
Surgical implants formed of polyurethane diacrylate compositions |
Jan. 3, 1984 |
| 4412054 |
Antithrombogenic polyurethanes based on fluorinated prepolymers |
Oct. 25, 1983 |
| 4409383 |
Thermally-responsive polymeric materials |
Oct. 11, 1983 |
| 4403083 |
Preparation of solid polyurethane particles |
Sep. 6, 1983 |
| 4390679 |
Latent urethane resin systems |
Jun. 28, 1983 |
| 4371686 |
Antithrombogenic, highly elastic polyurethane compound |
Feb. 1, 1983 |
| 4367327 |
Breathable, non-porous polyurethane film prepared from a low molecular weight difunctional compound, a polyethylene glycol and a diisocyanate |
Jan. 4, 1983 |
| 4367259 |
Sound deadening material |
Jan. 4, 1983 |
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