| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526301000 | From monomer containing a >N-C(=O)-O- group, e.g., carbamic acid, etc. | 7 |
| 20090247718 | DIOL (METH) ACRYLATE COMPOUND HAVING URETHANE BOND, METHOD FOR PRODUCING THE SAME, AND POLYMER THEREOF - The present invention provides compounds having in their molecule a structure contributing to high hydrophilicity, and having high photopolymerizability, as well as polymers of such compounds, and a method for producing the compound. The compounds are diol (meth)acrylate having a urethane bond represented by the formula (1), and cyclic ketal (meth)acrylate having a urethane bond represented by the formula (2): | 10-01-2009 |
| 20120065350 | VISCOELASTIC BODY AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a resin material which can be used for a pressure-sensitive adhesive sheet for protecting a semiconductor wafer and the like, does not cause curve (warpage) in the semiconductor wafer when the semiconductor wafer is ground, is excellent in followability to a pattern, has adequate stress dispersibility in a grinding operation, suppresses the crack in a wafer and chipping in a wafer edge, and does not leave a residue of a tackiness agent on the surface of the wafer in a peeling operation. The resin material shall be a viscoelastic body containing a copolymer of a urethane polymer and an acrylic polymer, which is formed through a monomer having a functional group that can form a urethane bond with a urethane polymer and having an activated carbon double bond that can copolymerize with a (meth)acryloyl group, in one molecule. | 03-15-2012 |
| 20120264901 | POLYURETHANE SYNTHESIS BY MEANS OF SELF-CONDENSATION - The present invention relates to a compound with the following formula (I) where: R | 10-18-2012 |
| 20120296061 | NOVEL COMPOUND, COMPOSITION COMPRISING THE COMPOUND AND CURED PRODUCT - The present invention provides a novel compound and a composition including the compound that exhibit small polymerization shrinkage particularly during curing and are producible at low cost on the industrial scale. The compound of the present invention is represented by Formula ( | 11-22-2012 |
| 20150105526 | POLYMER WITH ANTIBACTERIAL ACTIVITY - A polymer with antibacterial activity is provided. The polymer has multiple groups of cationic amines, each group spaced from the polymer backbone by alkylene spacers of different lengths. The resulting polymer maintains significant antibacterial activity while having reduced hemolytic activity relative to a homopolymer that uses hexylene spacers. | 04-16-2015 |
| 20150307766 | CURABLE CROSS-LINKABLE COMPOSITION FOR USE AS LOST CIRCULATION MATERIAL - The present invention relates to compositions and methods for reducing or preventing the loss of drilling fluids and other well servicing fluids into a subterranean formation during drilling or construction of boreholes in said formation. Specifically, this invention comprises a curable cross-linkable composition capable of free radical polymerization for creating lost circulation material. The curable cross-linkable composition comprises a mixture of: (i) an organic compound capable of free radical (co)polymerization represented by the formula (I): wherein x is an integer from 2 to 8; L is a moiety comprising an aromatic or an aliphatic group derived from an diisocyanate; Fp | 10-29-2015 |
| 20160159959 | Self-Crosslinkable Polymer and Aqueous Dispersion Comprising Particles of the Same - This disclosure is directed to a self-crosslinkable polymer and and an aqueous dispersion comprising particles of the polymer. The self-crosslinkable polymer has a molecular skeleton containing urethane linkages, and a hydrazide functional group and a carbonyl functional group capable of reacting with the hydrazide functional group chemically bonded to the molecular skeleton. | 06-09-2016 |
