1
Seiichi Tanahashi, Kaoru Nagano, Masaaki Kasai, Fujihiko Tsubone, Akio Iwama, Yoshitaka Kazuse, Kentaro Tasaka, Yutaka Isooka: Process for purification of crude glyceride oil compositions. Pinoru Oil Mills Co, Nitto Electric Industrial, Sughrue Mion Zinn Macpeak & Seas, November 29, 1988: US04787981 (70 worldwide citation)

A process for purification of crude glyceride oil compositions which comprises diluting a crude glyceride oil composition containing gum material and wax as main components of impurities with an organic solvent, bringing the diluted crude glyceride oil composition into contact with a semipermeable m ...


2
Akio Iwama, Hiroshi Iwahori, Yoshitaka Kazuse: Selective permeable membranes and process for preparing the same. Nitto Electric Industrial, Sughrue Mion Zinn Macpeak & Seas, November 9, 1982: US04358378 (20 worldwide citation)

A selective permeable membrane and a process for preparing the membrane. The process comprises applying to a supporting substrate a membrane forming solution prepared by dissolving in an organic solvent a polyimide polymer comprising principally a repeating unit represented by the general formula (I ...


3
Akio Iwama, Yoshitaka Kazuse: Process for the purification of crude glyceride oil compositions. Nitto Electric Industrial, Sughrue Mion Zinn Macpeak and Seas, November 8, 1983: US04414157 (18 worldwide citation)

A process for the purification of crude glyceride oil compositions which comprises bringing a miscella of a crude glyceride oil composition containing therein a glyceride oil and phospholipid into contact with a capillary semipermeable membrane to concentrate the miscella to a predetermined level, a ...


4
Akio Iwama, Yoshiyasu Kamiyama, Yoshitaka Kazuse, Hisashi Ichinose: Process for preparing a selective permeable membrane. Nitto Electric Industrial, Sughrue Mion Zinn Macpeak and Seas, May 24, 1983: US04385084 (12 worldwide citation)

A process is described for preparing a selective permeable membrane comprising coating a solution consisting essentially of


5
Yoshitaka Kazuse, Akio Iwama, Shinichi Chikura: Process for producing composite membrane. Nitto Electric Industrial, Sughrue Mion Zinn Macpeak & Seas, May 20, 1986: US04590098 (8 worldwide citation)

A process for producing a composite membrane is disclosed. The composite membrane is produced by bringing an organic solution of a specific cross-linkable silicone resin into contact with the surface of a dense layer of an anisotropic membrane made of a polyimide resin. The composite membrane is use ...


6
Akio Iwama, Kentaro Tasaka, Yoshitaka Kazuse: Composite membrane and process for producing the same. Nitto Electric Industrial, Sughrue Mion Zinn Macpeak and Seas, October 21, 1986: US04618534 (7 worldwide citation)

A composite membrane and a process for producing the same are described. This composite membrane comprises a polyimide resin anisotropic membrane and a cross-linked silicone resin thin film formed on the anisotropic membrane, the anisotropic membrane comprising a dense surface layer and a porous lay ...


7
Takeshi Saika, Shuji Senda, Yoshitaka Kazuse, Akio Iwama, Tetsuji Sugii, Masao Nasu, Katsuji Tani, Nobuyasu Yamaguchi: Pressure sensitive adhesive sheet for detection of microorganism and method for detection of microorganism. Nitto Denko Corporation, Sughrue Mion Zinn Macpeak & Seas PLLC, March 20, 2001: US06203900 (7 worldwide citation)

A pressure sensitive adhesive sheet for the detection of microorganisms, which comprises a laminate of an adhesive layer mainly composed of a water-soluble polymer and a water-permeable membrane which does not allow passage of the microorganisms; a pressure sensitive adhesive sheet for the detection ...


8
Akio Iwama, Yasuo Kihara, Masao Abe, Yoshitaka Kazuse: Process for preparing selective permeable membrane. Nitto Electric Industrial, Sughrue Mion Zinn Macpeak and Seas, October 18, 1983: US04410568 (6 worldwide citation)

A process for preparing a selective permeable membrane having self-supporting property, which comprises coating on a supporting substrate a dope comprising a polyimide polymer consisting essentially of a repeating unit of the formula: ##STR1## wherein R is a divalent organic group, an inorganic salt ...