FR1585847A - - Google Patents
Info
- Publication number
- FR1585847A FR1585847A FR1585847DA FR1585847A FR 1585847 A FR1585847 A FR 1585847A FR 1585847D A FR1585847D A FR 1585847DA FR 1585847 A FR1585847 A FR 1585847A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/08—Chromium sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67795267A | 1967-10-25 | 1967-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1585847A true FR1585847A (fr) | 1970-01-30 |
Family
ID=24720779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1585847D Expired FR1585847A (fr) | 1967-10-25 | 1968-10-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3423300A (fr) |
JP (1) | JPS4822912B1 (fr) |
CH (1) | CH500134A (fr) |
DE (1) | DE1804956C3 (fr) |
FR (1) | FR1585847A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE706158A (fr) * | 1966-11-10 | 1968-05-07 | ||
US3726914A (en) * | 1970-06-29 | 1973-04-10 | Monsanto Co | Process for the production of aryl carboxylic acids |
US3714003A (en) * | 1970-06-29 | 1973-01-30 | Monsanto Co | Process for the production of aryl carboxylic acids |
US3884776A (en) * | 1973-05-15 | 1975-05-20 | Du Pont | Preparation of hydroquinone |
US3983016A (en) * | 1974-07-19 | 1976-09-28 | Ppg Industries, Inc. | Method of preparing chromium |
US3909381A (en) * | 1974-11-18 | 1975-09-30 | Raymond John L | Purification of chromium plating solutions by electrodialysis |
US4144145A (en) * | 1976-04-15 | 1979-03-13 | Solex Research Corporation | Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities |
US4302304A (en) * | 1978-08-11 | 1981-11-24 | Mitsubishi Jukogyo Kabushiki Kaisha | Process for treating electrolytic solution |
US4326935A (en) * | 1978-11-06 | 1982-04-27 | Innova, Inc. | Electrochemical processes utilizing a layered membrane |
US4188272A (en) * | 1979-05-07 | 1980-02-12 | Eastman Kodak Company | Electrical chemical process for the removal of hexavalent chromium from aqueous medium |
DE4014429A1 (de) * | 1990-05-05 | 1991-11-07 | Hoechst Ag | Verfahren zur regelung des durchsatzes bei der elektrochemischen regeneration von chromschwefelsaeure |
US6063252A (en) * | 1997-08-08 | 2000-05-16 | Raymond; John L. | Method and apparatus for enriching the chromium in a chromium plating bath |
US6468414B1 (en) | 2001-02-16 | 2002-10-22 | Hydro-Quebec | Method of purification of a redox mediator before electrolytic regeneration thereof |
GB2399349A (en) * | 2003-03-13 | 2004-09-15 | Kurion Technologies Ltd | Regeneration of chromic acid etching and pickling baths |
JP6867685B2 (ja) * | 2017-06-22 | 2021-05-12 | 国立研究開発法人産業技術総合研究所 | 六価クロムの製造方法、製造装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB715075A (fr) * | ||||
US630612A (en) * | 1898-08-19 | 1899-08-08 | Farbwerke Vormals Meister Lucius & Bruening | Process of producing chromic acid by electrolysis. |
GB190709636A (en) * | 1906-05-08 | 1907-08-29 | Chem Fab Buckau | A Process for Recovering Chromic Acid from Solutions of Sulphate of Chromium in an Electrolytical Manner. |
US1878918A (en) * | 1926-06-02 | 1932-09-20 | Electro Metallurg Co | Manufacture of chromic acid |
-
1967
- 1967-10-25 US US677952A patent/US3423300A/en not_active Expired - Lifetime
-
1968
- 1968-10-21 FR FR1585847D patent/FR1585847A/fr not_active Expired
- 1968-10-24 CH CH1593468A patent/CH500134A/fr not_active IP Right Cessation
- 1968-10-24 DE DE1804956A patent/DE1804956C3/de not_active Expired
- 1968-10-25 JP JP43077367A patent/JPS4822912B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1804956B2 (de) | 1978-11-02 |
CH500134A (fr) | 1970-12-15 |
JPS4822912B1 (fr) | 1973-07-10 |
DE1804956C3 (de) | 1979-06-21 |
US3423300A (en) | 1969-01-21 |
DE1804956A1 (de) | 1969-05-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
ST | Notification of lapse |