Title:
PENETRANT SOLUTION USED IN PENETRANT TESTING, CLEANING AGENT, AND DEVELOPING AGENT
Document Type and Number:
WIPO Patent Application WO/2021/172191
Kind Code:
A1
Abstract:
A penetrant solution being one embodiment of the present invention has, as essential components thereof, a dye and a volatile organic solvent and includes at least one type selected from the group consisting of hydrofluoro olefin, hydrofluoro ketone, and perfluoro ketone, as the volatile organic solvent. A penetrant solution being one embodiment of the present invention has a volatile organic solvent as an essential component thereof and includes, as the volatile organic solvent, at least one type selected from the group consisting of hydrofluoro olefin, hydrofluoro ketone, and perfluoro ketone. A developing agent as one embodiment of the present invention has as essential components thereof a powder and a volatile organic solvent and includes at least one type selected from the group consisting of hydrofluoro olefin, hydrofluoro ketone, and perfluoro ketone, as the volatile organic solvent.
Inventors:
AKAMATSU YOSHINORI (JP)
NISHIGUCHI YOSHIO (JP)
NISHIGUCHI YOSHIO (JP)
Application Number:
PCT/JP2021/006314
Publication Date:
September 02, 2021
Filing Date:
February 19, 2021
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
International Classes:
C07C21/18; G01N21/91
Domestic Patent References:
| WO2018025661A1 | 2018-02-08 |
Foreign References:
| JPH03175345A | 1991-07-30 | |||
| JP2020003449A | 2020-01-09 | |||
| JP2018189424A | 2018-11-29 | |||
| JP2018179659A | 2018-11-15 |
Other References:
ANONYMOUS: "CELEFIN (TM) 1233Z Superior environmental performance, next-generation fluorine-based solvent", October 2018 (2018-10-01), pages 1 - 12, XP009530890, Retrieved from the Internet
ANONYMOUS: "safety Data Sheet CELEFIN 1233Z", 20 March 2018 (2018-03-20), pages 1 - 6, XP009530894, Retrieved from the Internet
ANONYMOUS: "safety Data Sheet CELEFIN 1233Z", 20 March 2018 (2018-03-20), pages 1 - 6, XP009530894, Retrieved from the Internet
Attorney, Agent or Firm:
TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC. (JP)
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