1
Sumiaki Tsuru, Masashi Tsugita, Ken Takasaki, Akihiko Yokoo, Takeshi Ichitsuka: Slow release drug delivery granules and process for production thereof. Asahi Kagaku Kogyo Kabushiki Kaisha, October 8, 1991: US05055307 (36 worldwide citation)

Slow release drug delviery granules comprising porous granules of a calcium phosphate compound having an atomic ratio of Ca to P of 1.3 to 1.8, a porosity of 0.1 to 70%, a specific surface area of 0.1 to 50 m.sup.2 /g and a pore size of 1 nm to 10 .mu.m, fired at a temperature of 200.degree. to 1400 ...


2
Takeshi Ichitsuka, Tetsuro Ogawa, Masaya Sumita, Akihiko Yokoo: Shaped article of oriented calcium phosphate type compounds, sinter thereof and processes for producing same. Asahi Kogaku Kogyo, Sughrue Mion Zinn Macpeak & Seas, July 28, 1992: US05134009 (34 worldwide citation)

An oriented shaped article of a calcium phosphate type compound is disclosed, in which at least two crystallographic axes of the primary particles of which the shaped article is composed each is oriented in one direction, respectively, in at least the surface of said article. A sinter of the oriente ...


3
Sumiaki Tsuru, Akihiko Yokoo, Takeshi Ichitsuka, Tsuneo Hiraide: Separating agent, separator and method of separating cell or virus. Asahi Kogaku Kogyo Kabushiki Kaisha, Sandler Greenblum & Bernstein, February 4, 1992: US05085781 (23 worldwide citation)

A separating agent which includes a polyvinyl acetal resin having open cell structure and an average pore size of from about 10 to about 1000 micrometers; and, porous calcium phosphate granules having open cell structure, and also having two distributions of pore size wherein one distribution has mi ...


4
Tetsuro Ogawa, Akihiko Yokoo, Kazuhiro Naganuma, Satoshi Fujinuma, Katsumi Kawamura: Porous particles of calcium phosphate compound and production process thereof. Asahi Kogaku Kogyo Kabushiki Kaisha, Sandler Greenblum & Bernstein, October 27, 1992: US05158756 (20 worldwide citation)

Porous particles of a calcium phosphate compound having a Ca/P ratio of 1.5 to 1.80, which contain open pores having an average pore size of 100 to 4000 .ANG. and are in the form of spherical particles having an average particle size of 1 to 40 .mu.m, and a process for their production. 90% of the t ...


5
Takeshi Ichitsuka, Tetsuro Ogawa, Katsumi Kawamura, Masaya Sumita, Akihiko Yokoo: Packing material for liquid chromatography. Asahi Kogaku Kogyo Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas, July 29, 1997: US05651884 (15 worldwide citation)

Column packing materials useful in applications such as liquid chromatography, as well as a process for producing such a packing material are described. A first aspect of the invention concerns a column packing material composed of a spherical substrate having a coating of a calcium phosphate based ...


6
Takeshi Ichitsuka, Tetsuro Ogawa, Masaya Sumita, Akihiko Yokoo, Katsumi Kawamura: Packing material for liquid chromatography. Asahi Kogaku Kogyo, Sughrue Mion Zinn Macpeak & Seas, August 13, 1991: US05039408 (14 worldwide citation)

Column packing materials useful in applications such as liquid chromatography, as well as a process for producing such a packing material are described. A first aspect of the invention concerns a column packing material composed of a spherical substrate having a coating of a calcium phosphate based ...


7
Sumiaki Tsuru, Akihiko Yokoo, Takeshi Sakurai, Tetsuro Ogawa: Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas. Asahi Kogaku Kogyo Kabushiki Kaisha, Sandler Greenblum & Bernstein, May 10, 1994: US05310548 (14 worldwide citation)

Deodorant comprising 5 to 100% by weight of a calcium phosphate compound having a molar ratio of Ca/P of 0.8 to 2.0, a deodorant sheet and filter sheet containing such calcium phosphate compound, and a functional paper containing 10 to 80% by weight of a calcium phosphate compound. A filtering mediu ...


8
Akihiko Yokoo, Tetsuro Ogawa: Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas. Asahi Kogaku Kogyo Kabushiki Kaisha, Greenblum & Bernstein, October 22, 1996: US05567231 (13 worldwide citation)

Deodorant comprising 5 to 100% by weight of a calcium phosphate compound having a molar ratio of Ca/P of 0.8 to 2.0, a deodorant sheet and filter sheet containing such calcium phosphate compound, and a functional paper containing 10 to 80% by weight of a calcium phosphate compound. A filtering mediu ...


9
Takeshi Ichitsuka, Tetsuro Ogawa, Masaya Sumita, Akihiko Yokoo, Katsumi Kawamura: Packing material for liquid chromatography and process for producing the same. Asahi Kogaku Kogyo Kabushiki Kaisha, Sughrue Mion Zinn Macpeak & Seas PLLC, October 23, 2001: US06306297 (7 worldwide citation)

Column packing materials useful in applications such as liquid chromatography, as well as a process for producing such a packing material are described. A first aspect of the invention concerns a column packing material composed of a spherical substrate having a coating of a calcium phosphate based ...


10
Sumiaki Tsuru, Akihiko Yokoo, Takeshi Sakurai, Tetsuro Ogawa: Deodorants and gas filters therefor. Asahi Kogaku Kogyo Kabushiki Kaisha, Greenblum & Bernstein, August 13, 1996: US05545240 (7 worldwide citation)

Deodorant comprising 5 to 100% by weight of a calcium phosphate compound having a molar ratio of Ca/P of 0.8 to 2.0, a deodorant sheet and filter sheet containing such calcium phosphate compound, and a functional paper containing 10 to 80% by weight of a calcium phosphate compound. A filtering mediu ...



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