1
Takeyuki Kawaguchi, Hiroyoshi Minematsu, Yuzuru Hayashi, Shigeyoshi Hara: Process for preparation of improved semipermeable composite membranes. June 14, 1983: US04388189 (85 worldwide citation)

In a process for producing a semipermeable composite membrane which comprises forming on a microporous substrate a thin layer of a polymeric material comprising a polyamino polymer containing at least 1 milliequivalent, per gram of the polymer in the dry state, of active amino groups selected from p ...


2
Takeyuki Kawaguchi, Yutaka Taketani, Noriaki Sasaki, Hiroyoshi Minematsu, Yuzuru Hayashi, Shigeyoshi Hara: Semipermeable composite membrane. Teijin, Wenderoth Lind & Ponack, November 24, 1981: US04302336 (83 worldwide citation)

A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of a microporous substrate, said polymeric material being prepared by crosslinking a soluble polymer containing at least 30 mole % of a recurring unit of the formula ##STR1## wherein ...


3
Shigeyoshi Hara, Yuzuru Hayashi, Takeyuki Kawaguchi, Noriaki Sasaki, Yutaka Taketani, Hiroyoshi Minematsu: Semipermeable composite membrane. Teijin, Sughrue Mion Zinn Macpeak & Seas, October 12, 1982: US04353802 (71 worldwide citation)

A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of a microporous substrate, the polymeric material being prepared by crosslinking a soluble polymer containing at least 30 mole % of a recurring unit of the formula ##STR1## wherein ...


4
Takeyuki Kawaguchi, Hiroyoshi Minematsu, Yuzuru Hayashi, Shigeyoshi Hara, Fumio Ueda: Amphoteric ion-permeable composite membrane. Teijin, Wenderoth Lind & Ponack, November 23, 1982: US04360434 (45 worldwide citation)

An amphoteric ion-permeable composite membrane composed of a microporous substrate, and supported on the substrate, a thin amphoteric ion-exchange film formed of an active amino group-containing polymer which has been interfacially crosslinked at least at the surface portion of the thin film, said m ...


5
Takeyuki Kawaguchi, Yutaka Taketani, Hiroyoshi Minematsu, Noriaki Sasaki, Yuzuru Hayashi, Shigeyoshi Hara: Semipermeable composite membrane and process for preparation thereof. Teijin, Wenderoth Lind & Ponack, December 30, 1980: US04242208 (21 worldwide citation)

A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of the microporous substrate, said polymeric material being prepared by interfacial crosslinking of a polymer containing a recurring unit of the formula ##STR1## wherein each of R.su ...


6
Koji Tajiri, Hiroyoshi Minematsu, Teruhiko Adachi: Liquid pigment composition, and master-colored polyamide yarn made by using same. Teijin, Armstrong Westerman Hattori McLeland & Naughton, March 16, 1993: US05194090 (9 worldwide citation)

A liquid pigment composition for master-coloring polyamides is described, which is comprised of a pigment and a pigment dispersant composed of a polymeric material selected from liquid polyesters and a liquid polyether esters, each having a hydroxyl value of 30 to 120 mg.KOH/g. The amount of the pig ...


7
Takahiro Daido, Satoshi Igarashi, Satoshi Nishikawa, Hiroyuki Honmoto, Hiroyoshi Minematsu: Lithium secondary cell, separator, cell pack, and charging method. Teijin, Rader Fishman & Grauer PLLC, November 16, 2004: US06818352 (8 worldwide citation)

A lithium ion secondary battery including a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte, where the separator essentially includes a porous sheet. The positive electrode active material and the negative electrode active material can be reversibly doped and dedop ...


8
Aya Ono, Kiyotsuna Toyohara, Hiroyoshi Minematsu, Yuuichi Kageyama: Polycarbonate and process for producing the same. Teijin, Sughrue Mion PLLC, April 29, 2008: US07365148 (8 worldwide citation)

A polycarbonate containing an ether diol residue producible from a polysaccharide and expressed by the following formula (1), and a diol residue expressed by the following formula (2) —O—(CmH2m)—O—   (2) (here, m is an integer of 2 to 12), wherein said ether diol residue amounts to 65-98 wt. % of al ...


9
Takahiro Daido, Satoshi Igarashi, Satoshi Nishikawa, Hiroyuki Honmoto, Hiroyoshi Minematsu, Youji Yanagi, Yasushi Kitagishi: Process for production of composite porous film. Teijin, Rader Fishman Grauer PLLC, April 19, 2005: US06881438 (4 worldwide citation)

A process for production of a composite porous film wherein a porous support, of which both sides have been coated with a solution (dope) of an organic polymer compound in a water-soluble organic solvent to form a coated film, is passed through an air gap step and conveyed into a coagulating bath co ...


10
Takahiro Daido, Satoshi Igarashi, Satoshi Nishikawa, Hiroyuki Honmoto, Hiroyoshi Minematsu: Separator for lithium ion secondary battery. Teijin, Rader Fishman & Grauer PLLC, August 22, 2006: US07094497 (2 worldwide citation)

A separator, used for a lithium ion secondary battery that produces electromotive force by lithium doping/dedoping, which is composed of a porous film comprising an organic polymer (component A) which can swell in an electrolyte solution to retain it, surrounding a nonwoven fabric which cannot swell ...



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