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| Number | Title | Issue Date |
| 7220475 | Polishing sheet and polishing work method The present invention provides a polishing sheet that can secure a flatness of a material to be polished and can improve a polishing efficiency. A polishing pad 1 has a polyurethane sheet 2 made of polyurethane resin. The polyurethane sheet 2 ha... | 05/22/2007 |
| 7074245 | Modified regenerated cellulose fiber and fiber product thereof A modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving. The modified regenerated cellulose fiber can be obtain... | 07/11/2006 |
| 6821304 | Modified regenerated cellulose fiber and fiber product thereof The present invention simplifies the complicated dyeing process using a naphthol dye, and provides a modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixe... | 11/23/2004 |
| 6743261 | Functionalized fiber material and method for treating fiber material therefor The present invention discloses a functionalized fiber material treated with a emulsion containing an ascorbic acid derivative which is hardly soluble in water, wherein the ascorbic acid derivative which is hardly soluble in water is preferably tetraalkylester of L-... | 06/01/2004 |
| 6709665 | Functionalized fiber material and method for manufacturing the same The present invention aims at providing a functionalized fiber material having a skin care effect enabling to sustainedly discharge a skin care component by an action of a fat and oil component such as sebum present on a skin surface of the human body, without losin... | 03/23/2004 |
| 6627671 | Methods for making urethane molded products for polishing pads Urethane molded products for polishing pad comprise two types of cells having different sizes in urethane molded products formed by mixing and curing an isocyanate-terminated urethane prepolymer and an active hydrogen-containing compound. The molded produ... | 09/30/2003 |
| 6514610 | Method for manufacturing improved regenerated cellulose fiber A method for manufacturing improved regenerated cellulose fiber, by adding a crosslinking agent having two or more reactive functional groups in a molecule to a cellulose viscose solution and mixing, then extruding the viscose solution into a coagulation ... | 02/04/2003 |
| 6280841 | Package of polyurethane elastic yarn for heat bonding A package of polyurethane elastic yarn for heat bonding which weighs more than 1 kg and measures such that the diameter-to-width ratio is greater than 0.5 and which is obtained from polyurethane elastic yarn by giving it 3.0-10.0 wt % of a finishing agent... | 08/28/2001 |
| 6239188 | Urethane molded products for polishing pad and method for making same Urethane molded products for polishing pad comprise two types of cells having different sizes in a urethane molded products formed by mixing and curing an isocyanate-terminated urethane prepolymer and an active hydrogen-containing compound. The molded pro... | 05/29/2001 |
| 5902355 | Method for pattern dyeing of textile fabrics containing blends of cellulose regenerated fiber A method for dying-finishing of textile fabrics which contain modified cellulose regenerated fiber capable of dyeing with cationic dyes which contains an insoluble polymer which is obtained by cross-linking a dihydroxydiphenylsulfone-sulfonate condensate ... | 05/11/1999 |
| 5854146 | Sebum absorbing cellulose fabric and manufacturing method thereof A cellulose fabric having a sebum absorbing performance, which maintains its performance even after repeated washing in which a compound having a nonionic surface activity is fixed to a cellulose fabric. A sebum absorbing cellulose fabric is prepared by t... | 12/29/1998 |
| 5508185 | Lipase immobilized on a chitosan carrier An enzyme immobilizing carrier is produced by dissolving low-molecular weight chitosan in an aqueous acid solution and dropping the solution into a basic solution to produce regenerated porous chitosan in particles, reacting the regenerated porous chitosa... | 04/16/1996 |
| 5320903 | Modified cellulose regenerated fiber comprising chitosan particles The present invention is to provide a modified cellulose regenerated fiber having a practically endurable tenacity, and being excellent in dye-affinity, and having anti-funguses and deodorizing properties. The present invention comprises preliminarily mol... | 06/14/1994 |
| 5094670 | Method of producing polishing sheet material A method of producing an abrasive backing or a polishing sheet material which has a nonwoven fabric of a synthetic fiber having a network structure and impregnated with a polyurethane solution. The method has the steps of completely coagulating and drying... | 03/10/1992 |
| 5085009 | Carrier for supporting workpiece to be polished A carrier for supporting workpieces to be polished is composed of an integrated mica laminated sheet. The mica laminated sheet is impregnated with a thermo-setting resin. The carrier has a low warp ratio and can be made thin with a sufficient mechanical s... | 02/04/1992 |
| 4833237 | Process for producing granular porous chitosan A process for producing granular porous chitosan of extremely uniform particle size and having uniform fine pores on the spherical surface and cut cross sectional face. The process comprises dissolving a low molecular weight chitosan into an aqueous acidi... | 05/23/1989 |
