Mie University

Toyo Soda Manufacturing Co., Ltd.

Tosoh Corporation

Koji Tanaka

Kazushi Kimura

Kousyoku Sai

Akira Mizoguchi

Shujie Wang

Kyosuke Tanaka

Aika Kaito

Mineo Nagano

Tetsuya Nosaka

Yuji Toiyama

Yasushi Sakai

Naoyuki Katayama

Shinsuke Toyomasu

Michio Saito

Yasumi Tanaka

Akio Kiyohara

Kentaro Iwanaga

Shigeru Awazawa

Katsuo Takemoto

Kazuyasu Higashiyama

Tadashi Usuki

Takeshi Fujiwara

Michio Saitoh

Toru Iwashita

Hidemasa Goto

Yuuhei Nishimura

Osamu Yamasaki

Masahiko Sugimoto

Hiroaki Furukawa

Provided is a vital stain inspection method for distinguishing between cancer cells and normal cells within a lumen, or on the serous membrane side of an organ, by means of laser irradiation after organ tissue has been stained by curcumin, Red #3 or Red #106, which are edible color dyes.

Detection method

A cancer test device () is provided with: an application unit () for applying a staining agent (), which can selectively stain a product of a cancer-relating gene in a living cell a chromatic color, onto a group of living cells; an imaging unit () for imaging the group of living cells having the staining agent () applied thereto; and a determination unit () for determining the level of malignancy of cancerization of the group of living cells on the basis of the state of the stained expression pattern of the cancer-relating gene in the group of living cells in an image obtained by the aforementioned imaging.

Cancer test device, cancer test method, and staining agent for use in cancer test

A vital stain for observation under multiphoton laser microscopy, the vital stain comprising one or more edible dye compounds.

Vital stain

The present invention is provided with an imaging unit () that has an imaging head () to be inserted into the digestive tract () and images a living body by applying a laser to the digestive tract () via the imaging head (); a control unit () for controlling the imaging head () to move inside the digestive tract (); and an image processing unit () for processing an image captured by the imaging unit (). The imaging unit () captures a plurality of imaging regions (P) to be imaged along with the movement of the imaging head () such that a portion of adjacent imaging regions (P, P) overlap, and the image processing unit () overlaps regions (Pa) in which the plurality of imaging regions (P, P) are overlapped to generate a composite image.

Laser endoscope device

Polyvinyl chloride based resin compositions improved in the vibrational energy absorbing ability are disclosed. The compositions comprises a specific class of phthalic acid esters and a specific class of phosphori acid esters. Articles formed of the compositions are also disclosed.

Polyvinyl chloride based resin composition

A method for producing a high softening point aliphatic petroleum resin, which comprises using as a feed oil a C5 fraction which is a mixture of saturated and unsaturated hydrocarbon components having boiling points within a range of from 20.degree.0 to 110.degree. C. formed by cracking or modification of naphtha or petroleum and conducting polymerization of the feed oil by means of a Friedel-Crafts catalyst, wherein isoprene is added to the feed oil in an amount of from 1 to 20% by weight, and the polymerization is conducted by introducing the feed oil into the catalyst dissolved or suspended in an organic solvent, over a period of at least 1/2 of the polymerization time.

Method for producing a high softening point aliphatic petroleum resin

A process for producing a high softening point hydrocarbon resin, which comprises polymerizing (a) an oil fraction having a boiling point within a range of from 140.degree. to 220.degree. C. selected among cracked oil fractions obtained by thermal cracking of petroleum and (b) a turpentine oil in the presence of a cationic polymerization catalyst, wherein the oil fraction (a) is adjusted to have a conjugated diolefin content of at most 1.5% by weight and a dicyclopentadiene (non-conjugated diolefin) content of from 7 to 17% by weight, the turpentine oil (b) is selected from the group consising of .alpha.-pinene, .beta.-pinene, dipentene and mixtures thereof and used in an amount of from 5 to 15% by weight, the cationic polymerization catalyst is at least one member selected from the group consisting of boron trifluoride, aluminum trichloride and complexes thereof, and the polymerization is conducted at a temperature of from 0.degree. to 70.degree. C.

Process for producing a high softening point hydrocarbon resin

A process for producing a hydrocarbon resin which comprises polymerizing, by means of a Friedel-Crafts catalyst, a mixture of (1) a residual fraction obtained by polymerizing a fraction of a boiling point range of from 140.degree. to 280.degree. C. obtained from the decomposition of a petroleum and containing unsaturated hydrocarbons and removing the resulting polymer and (2) phenol and/or a phenol derivative.

Process for producing a hydrocarbon resin

The present invention relates to a process for manufacturing a petroleum resin wherein a fraction (component A) containing an aromatic hydrocarbon obtained by cracking of petroleum and a thermally polymerized oil (component B) obtained by previously thermal-polymerizing the component A are mixed and then the mixture of the components A and B is subjected to polymerization by employing a Friedel-Crafts catalyst. It is also directed to propose a petroleum resin of a superior quality having a softening point optionally in a range of 30.degree.-120.degree. C. and various bromine value in such a manner that a mixing ratio of the components A and B is properly adjusted.

Process for manufacturing a petroleum resin

A process for preparing a polyvinylchloride composition by polymerizing vinyl chloride or vinyl chloride and a comonomer comprises polymerizing vinyl chloride or a mixture of vinyl chloride and a comonomer in the gaseous phase under a polymerization pressure which is less than the saturated vapor pressure of vinyl chloride at the polymerization temperature, in the presence of additives required for later formation of a molded product.

Process for preparing a polyvinylchloride composition by polymerization

A method of removing vinyl chloride monomer which remains in a polymer of vinyl chloride, which comprises irradiating the polymer of vinyl chloride with a high energy electromagnetic wave to excite the vinyl chloride monomer in said polymer to remove unreacted monomer.

Growing community of inventors

Mie, Japan

Koji Tanaka