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Ube, Japan

Patent
Central Glass Company | Date: 2015-03-25

A production process of an -fluoroaldehyde according to the present invention includes reaction of an -fluoroester with hydrogen gas (H


Patent
Central Glass Company | Date: 2015-10-22

Disclosed is a phosphor-dispersed glass, including: a glass material; and a phosphor dispersed in the glass material, wherein the glass material is substantially free of Nb


Automotive window glass to which a molding for sealing space between a car body and the window glass is to be attached, the window glass including, an attachment starting point mark indicating an attachment starting point of the molding, and at least one of a termination starting point mark and a termination last point mark in a specification range in which a termination of the molding, of which an attachment to the window glass being started from the attachment starting point, is to be placed.


Patent
Central Glass Company | Date: 2015-07-27

A production method of 2-chloro-1,3,3,3-tetrafluoropropene (1224) according to the present invention includes bringing 2,3-dichloro-1,1,1,3-tetrafluoropropane (234da) into contact with an inorganic base having a pKa of 4.8 or greater in an aqueous medium in the presence of a phase transfer catalyst. Preferably, the inorganic base has a pKa of 10 or greater. Further, the phase transfer catalyst is preferably at least one selected from the group consisting of tetrabutylammonium bromide, methyltri-n-octylammonium chloride, benzyltrimethylammonium chloride and tetraethylammonium chloride. It is possible by this method to selectively produce 1224 from 234da.


Patent
Central Glass Company | Date: 2014-12-26

A method for producing 1234Z from 1234E while generation of 245fa as a byproduct is suppressed. The method for producing cis-1,3,3,3-tetrafluoropropene includes putting trans-1,3,3,3-tetrafluoropropene into contact with a catalyst. The trans-1,3,3,3-tetrafluoropropene is put into contact with the catalyst at a reaction temperature of higher than or equal to 200 C. and lower than or equal to 550 C. for a contact time of longer than or equal to 0.01 seconds and shorter than or equal to 500 seconds.

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