loadpatents
Patent applications and USPTO patent grants for Tokuyama Soda Kabushiki Kaisha.The latest application filed is for "photochromic compound".
Patent | Date |
---|---|
Photochromic compound Grant 5,349,065 - Tanaka , et al. September 20, 1 | 1994-09-20 |
Tin oxide fiber and a process for producing the same Grant 5,330,833 - Yamashita , et al. July 19, 1 | 1994-07-19 |
Diacrylate compounds Grant 5,260,476 - Ohno , et al. November 9, 1 | 1993-11-09 |
Process for producing aluminum nitride sintered body Grant 5,242,872 - Taniguchi , et al. September 7, 1 | 1993-09-07 |
Basic magnesium carbonate and process for preparation thereof Grant 5,240,692 - Morifuji August 31, 1 | 1993-08-31 |
Microporous shaped article and process for preparation thereof Grant 5,238,735 - Nagou , et al. August 24, 1 | 1993-08-24 |
Bipolar membrane and method for its production Grant 5,221,455 - Hanada , et al. June 22, 1 | 1993-06-22 |
Resin derived from sulfur-containing unsaturated compound and having a high refractive index Grant 5,214,116 - Matsuoka , et al. May 25, 1 | 1993-05-25 |
Aluminum nitride granules and process for the preparation thereof Grant 5,182,239 - Hirokawa , et al. January 26, 1 | 1993-01-26 |
Curable composition Grant 5,171,763 - Ohno , et al. December 15, 1 | 1992-12-15 |
Photochromic compound, process for production thereof, use thereof and composition containing said photochromic compound Grant 5,130,058 - Tanaka , et al. * July 14, 1 | 1992-07-14 |
Photochromic compound, composition and use thereof Grant 5,106,998 - Tanaka , et al. April 21, 1 | 1992-04-21 |
Hardening material Grant 5,092,888 - Iwamoto , et al. March 3, 1 | 1992-03-03 |
Sinterable aluminum nitride composition, sintered body from this composition and process for producing the sintered body Grant 5,063,183 - Taniguchi , et al. November 5, 1 | 1991-11-05 |
Cement composition Grant 5,051,453 - Okabayashi , et al. September 24, 1 | 1991-09-24 |
Process for preparation of alkaline earth metal aluminosilicate sintered body Grant 5,036,030 - Taga , et al. July 30, 1 | 1991-07-30 |
Process for preparation of perfluoro organic compounds Grant 4,983,747 - Nishimura , et al. January 8, 1 | 1991-01-08 |
Photochromic compounds Grant 4,960,678 - Tanaka , et al. October 2, 1 | 1990-10-02 |
Novel anion-exchange membrane Grant 4,923,611 - Hanada , et al. May 8, 1 | 1990-05-08 |
Haloacetamide compounds, process for production thereof, and use thereof as herbicide Grant 4,895,587 - Kato , et al. January 23, 1 | 1990-01-23 |
Photochromatic compounds Grant 4,882,438 - Tanaka , et al. November 21, 1 | 1989-11-21 |
Curable composition Grant 4,877,854 - Hattori , et al. October 31, 1 | 1989-10-31 |
Method of double decomposition of neutral salt Grant 4,806,219 - Yamamoto , et al. February 21, 1 | 1989-02-21 |
N-substituted chloroacetanilides processes for production thereof, and herbicidal composition comprising the same Grant 4,802,907 - Takematsu , et al. February 7, 1 | 1989-02-07 |
Ni/Sn cathode having reduced hydrogen overvoltage Grant 4,801,368 - Yamashita , et al. January 31, 1 | 1989-01-31 |
Microporous film and process for production thereof Grant 4,791,144 - Nagou , et al. December 13, 1 | 1988-12-13 |
Process for washing semiconductor substrate with organic solvent Grant 4,788,043 - Kagiyama , et al. November 29, 1 | 1988-11-29 |
Dyed inorganic composite particles and process for production thereof Grant 4,780,422 - Mitani , et al. October 25, 1 | 1988-10-25 |
Polypropylene composition Grant 4,774,275 - Hisano , et al. September 27, 1 | 1988-09-27 |
Amorphous, spherical inorganic compound and process for preparation thereof Grant 4,764,497 - Yuasa , et al. August 16, 1 | 1988-08-16 |
Acrylate compound and composition containing the same Grant 4,755,620 - Iwamoto , et al. July 5, 1 | 1988-07-05 |
Electrochromic display using bipolar ion-exchange membrane Grant 4,715,691 - Sata , et al. December 29, 1 | 1987-12-29 |
Composite nitride sintered body Grant 4,642,298 - Kuramoto , et al. February 10, 1 | 1987-02-10 |
Fine powder of aluminum nitride, composition and sintered body thereof and processes for their production Grant 4,618,592 - Kuramoto , et al. October 21, 1 | 1986-10-21 |
Porous sheet Grant 4,613,643 - Nakamura , et al. September 23, 1 | 1986-09-23 |
Amorphous, spherical inorganic compound and process for preparation thereof Grant 4,567,030 - Yuasa , et al. January 28, 1 | 1986-01-28 |
Stretched composite film Grant 4,472,485 - Tabuse , et al. September 18, 1 | 1984-09-18 |
Bipolar electrolytic cell Grant 4,465,579 - Mataga , et al. August 14, 1 | 1984-08-14 |
Novel cured resin, process for production thereof, and lens composed of said resin from bis(alkyleneoxyphenyl)-diacrylate, bis(alkyleneoxyphenyl)diallyl ether, bis(alkyleneoxyphenyl)diallyl carbonate monomers Grant 4,369,298 - Kida , et al. January 18, 1 | 1983-01-18 |
Liquid-absorbing shaped body Grant 4,321,161 - Watanabe , et al. March 23, 1 | 1982-03-23 |
Process for producing hydrogen peroxide Grant 4,279,883 - Izumi , et al. July 21, 1 | 1981-07-21 |
Vinyl chloride polymer blend composition Grant 4,267,084 - Mizutani , et al. May 12, 1 | 1981-05-12 |
Electrolytic diaphragms, and method of electrolysis using the same Grant 4,169,023 - Sata , et al. September 25, 1 | 1979-09-25 |
Cathode-structure for electrolysis Grant 4,101,395 - Motani , et al. July 18, 1 | 1978-07-18 |
Process for preparing hydrogen peroxide Grant 4,009,252 - Izumi , et al. February 22, 1 | 1977-02-22 |
Process for the hydration of olefins Grant 3,996,298 - Izumi , et al. December 7, 1 | 1976-12-07 |
Process for producing flame-retardant shaped articles of thermoplastic synthetic resins Grant 3,953,565 - Mizutani , et al. April 27, 1 | 1976-04-27 |
Method of condensing ketones Grant 3,946,079 - Mizutani , et al. March 23, 1 | 1976-03-23 |
Method of electrolyzing alkali metal halide solution and apparatus therefor Grant 3,901,774 - Motani , et al. August 26, 1 | 1975-08-26 |
Thioureido heavy metal adsorbing resins Grant 3,892,689 - Motani , et al. July 1, 1 | 1975-07-01 |
Ion exchange membranes Grant 3,868,314 - Mizutani , et al. February 25, 1 | 1975-02-25 |
Selective Elctrodialysis Of Cations Grant 3,847,772 - Sata , et al. November 12, 1 | 1974-11-12 |
Process For Removing Electrolytes From Aqueous Solution Grant 3,784,457 - Mizutani , et al. January 8, 1 | 1974-01-08 |
Cation Exchange Membrane And Method Of Making Same Grant 3,647,086 - Mizutani , et al. March 7, 1 | 1972-03-07 |
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