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| Number | Title | Issue Date |
| 7060779 | Processes for producing hydrocarbon/phenol resin and producing epoxy resin A process for efficiently producing hydrocarbon/phenol resin having a satisfactory hue through reaction of phenol with an unsaturated cyclic hydrocarbon having two or more carbon—carbon double bonds in the presence of an acid catalyst, which comprises (1) a step i... | 06/13/2006 |
| 6586362 | Hydrocarbon solvent and pressure-sensitive copying material made with the same A hydrocarbon solvent comprising a fraction which is obtained by reacting styrene and cumene in the presence of an acid catalyst and contains 85% by weight or more of 1-phenyl-1-(p-isopropylphenyl)ethane and 5% by weight or less of total styrene dimers, a... | 07/01/2003 |
| 6512152 | Tetracyclododecene compositions and process for producing the same The present invention is drawn to a tetracyclododecene composition having a regulated cyclopentadiene trimer content, whereby addition polymerization with the aid of a Ziegler catalyst can be carried out while preventing gelation caused by a cross-linking... | 01/28/2003 |
| 6506317 | Cooling medium for optical equipment and cooling device using the same A cooling medium and a cooling device for optical equipment using the same, which cooling medium has a refractive index in a specific range, hardly causes the problem to dissolve or swell plastic lens and other component parts, and is flame retardant. The... | 01/14/2003 |
| 6476284 | Method of dehalogenating hydrocarbon containing carbon-carbon double bond An efficient dehalogenation can be carried out by a method which comprises treating an organic compound containing a compound of halogen, such as fluorine or chlorine, as an impurity and having non-conjugated carbon-carbon double bonds, for example, buten... | 11/05/2002 |
| 6462151 | Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same Boron trifluoride can be recovered in a reusable state by a method that is economical and does not cause environmental pollution, which method comprises the steps of bringing a fluid containing boron trifluoride or its complex into contact with metal fluo... | 10/08/2002 |
| 6451879 | Phenolic resin, epoxy resin, and processes for producing these A process for producing a phenolic resin of good hue, characterized by reacting a hydroxylated aromatic compound with an unsaturated cyclic hydrocarbon compound in the presence of both active hydrogen and a reducing metal compound with the aid of an acid ... | 09/17/2002 |
| 6441218 | Process for producing 2-substituted propionic acid Adipic acid diester is caused to react with alkoxide M(OR)n, wherein R is an alkyl group and M is an alkali metal or alkaline earth metal, the reaction product is successively subjected either to coupling with halomethylstyrene followed by carb... | 08/27/2002 |
| 6441249 | Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distii... | 08/27/2002 |
| 6407150 | Processes for producing phenolic resin and epoxy resin A process for producing phenol resin having good color tone, which process comprises reacting hydroxyl group-containing aromatic compound and unsaturated cyclic hydrocarbon under the condition that the moisture is 100 ppm or less and the concentration of ... | 06/18/2002 |
| 6380450 | Process for producing indene Tetrahydroindene is dehydrogenated in a vapor phase in the presence of a metallic catalyst, e.g., a nickel-molybdenum catalyst, to produce indene, which is industrially useful in high yield while inhibiting the catalyst from suffering a decrease in activi... | 04/30/2002 |
| 6350930 | Method for producing aromatic compound A method for producing an aromatic compound styrenic compound adduct comprising the steps of: (1) reacting an aromatic compound and a styrenic compound in a first reactor 1 of fixed-bed flow type in a liquid phase in the presence of a solid acid catalyst,... | 02/26/2002 |
| 6320086 | Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distil... | 11/20/2001 |
| 6300534 | Process for producing dehydrogenated compounds of m-ethyldiphenylalkane A mono-olefin hydrocarbon and/or a di-olefin hydrocarbon represented by the following general formula (3) is selectively produced by dehydrogenating or oxidative-dehydrogenating a mixture of any one of hydrocarbons among the hydrocarbons represented by th... | 10/09/2001 |
| 6300444 | Process for producing butene polymer It is possible to produce butene polymer at high yield, which polymer contains 80 mol % or more of polymer molecules having terminal vinylidene structure and being low in the content of residual organic fluorine by a process comprising Step (I) to polymer... | 10/09/2001 |
| 6289577 | Method of making a swing actuator A joined metal-resin plate body having a metal plate (1, 12) and a resin plate (2, 13) joined together, in which an insert member having a through-hole therein is embedded in the resin plate. The insert member is in close contact with the resin of the res... | 09/18/2001 |
| 6255549 | Method for producing low bromine number fraction A fraction of low bromine number mainly containing a styrenic compound/aromatic compound adduct can be attained, by feeding reaction materials of a styrenic compound and an aromatic compound to a fixed-bed flow reactor packed with a solid acid catalyst in... | 07/03/2001 |
| 6211418 | Method for producing trimethylhydroquinone An inexpensive method for producing trimethylhydroquinone free from the problem of the disposal of waste catalyst, which method comprises the steps of: (1) reacting isophorone in the presence of an acid catalyst and recovering ଲ-isophorone by distil... | 04/03/2001 |
| 6207866 | Method for producing diarylmethane or its derivatives A method to produce diarylmethane or its derivatives by condensation reaction can be carried out without difficulty and without the deterioration of catalyst, and the intended product can be produced inexpensively by recovering and recycling used alcohol.... | 03/27/2001 |
| 6180079 | Wet oxidizing process In wet oxidizing process of an aqueous alkali waste which contains absorbed hydrogen sulfide and carbon dioxide, a convenient method for improving the safety in oxidizing operation and the efficiency in oxidation reaction. The process is characterized in ... | 01/30/2001 |
| 6165481 | Highly pure squalane, raw material for pharmaceuticals and cosmetics prepared by using the same and method for producing the same Highly pure squalane in which the content of pristane is reduced to 10 wt ppm or less, can be obtained by refining the squalane of animal oil or fat origin through thin film distillation, said highly pure squalane is useful as a raw material for producing... | 12/26/2000 |
| 6136414 | Embossed sheet and a method of producing a laminate including that sheet An embossed sheet which is excellent in embossing properties, whitening resistance and transparency, can be prepared by using a resin composition containing specific ratios of (A) polypropylene having a specific melting point of 125° C. or higher, (B) et... | 10/24/2000 |
| 6132661 | Longitudinally stretched nonwoven fabric and method for producing the same A longitudinally stretched nonwoven fabric and a method for producing the same, which nonwoven fabric is a web mainly composed of long fiber filaments of 3 μm to 15 μm in diameter and made by short distance stretching in one direction at a stretching ra... | 10/17/2000 |
| 6124001 | Method of making a composite material with controlled elasticity A controlled elastic composite material which is produced by forming a flexible elastomer layer or layers on one or both surfaces of at least one member selected from the group consisting of (a) a longitudinally monoaxially oriented reticular web, (b) a t... | 09/26/2000 |
| 6106924 | Laminate material and uniaxially oriented laminate A laminate material and a uniaxially oriented laminate which contains an additive but does not suffer from the trouble caused by the exudation of said additive, and the laminate material comprises an inner layer composed of an orientable resin A containin... | 08/22/2000 |
| 6093762 | Binder resin for lithographic printing ink vehicle and method for producing the same A vehicle for lithographic printing ink is prepared by using an improved binder resin of petroleum resin-modified phenol resin, in which the melt viscosity of the binder resin is maintained below a certain level to improve the workability in polymerizatio... | 07/25/2000 |
| 6084144 | Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same A boron trifluoride complex can be recovered without changing its molar coordination ratio, by applying a direct and/or alternating voltage to an electrically-nonconductive fluid in which at least a part of boron trifluoride complex is dispersed and/or di... | 07/04/2000 |
| 6063717 | Hydroentangled nonwoven fabric and method of producing the same A reinforced hydroentangled nonwoven fabric having small thickness and weight, draping characteristics and flexibility, and improved balance of longitudinal and transverse strength, and more particularly a thin, light-weight, reinforced, hydroentangled no... | 05/16/2000 |
| 6048808 | Nonwoven fabric and method of making the same The invention provides a nonwoven fabric of stretched filaments of different kind polymers, having a strength equal to that of a woven fabric and features including an elongation, a uniformity, good feeling, a bulkiness and a thinness, characterized in th... | 04/11/2000 |
| 6045349 | Rolling apparatus for plastic film A wrinkleless plastic film having excellent quality without the reduction of width can be manufactured with high productivity using a rolling apparatus in which a plastic film is rolled stepwise at two rolling deformation points formed by two driving roll... | 04/04/2000 |
| 6037403 | High viscosity fluid composition and vibration energy damping device utilizing the same A high viscosity fluid composition having a specific gravity of 1 or more, the physical properties of said fluid composition is not impaired for the use of a long period of time, and a vibration energy damping device which is filled with said high viscosi... | 03/14/2000 |
| 6003581 | Apparatus for laminating webs A laminating apparatus (20) for laminating a longitudinal web (19) on a transverse web (28) by maintaining transverse fibrous elements (62) in the transverse direction as much as possible, wherein a skew correction device (39) for correcting the skew of t... | 12/21/1999 |
| 5954914 | Web lamination device A web lamination device for laminating a transverse web, having longitudinal fibrous elements extending generally transverse to the longitudinal conveying direction and opposite selvages, with a longitudinal web having longitudinal fibrous elements extend... | 09/21/1999 |
| 5928762 | Laminate of a base material and an embossed sheet An embossed sheet which is excellent in embossing properties, whitening resistance and transparency, can be prepared by using a resin composition containing specific ratios of (A) polypropylene having a specific melting point of 125° C. or higher, (B) et... | 07/27/1999 |
| 5901619 | Method for manufacturing rotary cutting tool and rotary cutting tool A method for manufacturing a rotary cutting tool for fabricating a sheet having transverse slits. The rotary cutting tool has a cylindrical body having generally longitudinally extending grooves, and cutting blades. The cutting blades are first fitted in ... | 05/11/1999 |
| 5882114 | Method of continuous extraction of crude wax and apparatus therefor A method and an apparatus for continuously extracting a wax component contained in a solid residue with a solvent, in which method, the solid residue obtained from the juice of sugar cane is used as a raw material. To make the extraction time uniform and ... | 03/16/1999 |
| 5877362 | Method for producing diphenylmethane A method for producing diphenylmethane from 1,1-diphenylethane with a high yield and selectivity, wherein the 1,1-diphenylethane is reacted with hydrogen and/or water.... | 03/02/1999 |
| 5866514 | Pesticidal composition to noxious organisms A pesticidal composition to noxious organisms which comprises a diarylalkane and an active component effective for killing or repelling noxious organisms and the diarylalkane is at least one member selected from the group consisting of butyl diphenylmetha... | 02/02/1999 |
| 5846429 | Method for separating and recovering boron trifluoride A method for effectively separating and removing or recovering BF3 existing in a liquid hydrocarbon which is characterized in that an organic liquid mixture containing suspended or dissolved BF3 is brought into liquid phase contact w... | 12/08/1998 |
| 5840633 | Nonwoven fabric and method of making the same The invention provides a nonwoven fabric of stretched filaments of different kind polymers, having a strength equal to that of a woven fabric and features including an elongation, a uniformity, good feeling, a bulkiness and a thinness, characterized in th... | 11/24/1998 |
