IT1143585B - IMPROVEMENT IN PROCEDURES FOR THE PRODUCTION OF SODIUM DITIONITE - Google Patents
IMPROVEMENT IN PROCEDURES FOR THE PRODUCTION OF SODIUM DITIONITEInfo
- Publication number
- IT1143585B IT1143585B IT49962/77A IT4996277A IT1143585B IT 1143585 B IT1143585 B IT 1143585B IT 49962/77 A IT49962/77 A IT 49962/77A IT 4996277 A IT4996277 A IT 4996277A IT 1143585 B IT1143585 B IT 1143585B
- Authority
- IT
- Italy
- Prior art keywords
- procedures
- improvement
- production
- sodium ditionite
- ditionite
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69946276A | 1976-06-24 | 1976-06-24 | |
| US80652777A | 1977-06-14 | 1977-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1143585B true IT1143585B (en) | 1986-10-22 |
Family
ID=27106430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49962/77A IT1143585B (en) | 1976-06-24 | 1977-06-23 | IMPROVEMENT IN PROCEDURES FOR THE PRODUCTION OF SODIUM DITIONITE |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS6020321B2 (en) |
| CA (1) | CA1103888A (en) |
| DE (1) | DE2728316B2 (en) |
| FR (1) | FR2355775A1 (en) |
| GB (1) | GB1584626A (en) |
| IT (1) | IT1143585B (en) |
| MX (1) | MX147264A (en) |
| NO (1) | NO149884C (en) |
| SE (1) | SE418490B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3411875A (en) * | 1964-04-08 | 1968-11-19 | Mitsubishi Edogawa Kagaku Kk | Process for the production of anhydrous hydrosulfites |
| DE1592013B2 (en) * | 1966-05-16 | 1972-08-24 | Mitsubishi Edogawa Kagaku K K , Tokio | PROCESS FOR THE MANUFACTURING OF A WATER-FREE SODIUM HYPOSULPHITE |
| JPS4814316B1 (en) * | 1969-01-10 | 1973-05-07 | ||
| US3887695A (en) * | 1970-02-05 | 1975-06-03 | Virginia Chemicals Inc | Production of sodium hydrosulfite from formates |
| GB1461785A (en) * | 1973-03-30 | 1977-01-19 | Boc Ltd | Alkali metal dithionite manufacture |
-
1977
- 1977-06-17 CA CA280,843A patent/CA1103888A/en not_active Expired
- 1977-06-20 NO NO77772165A patent/NO149884C/en unknown
- 1977-06-21 GB GB25816/77A patent/GB1584626A/en not_active Expired
- 1977-06-22 SE SE7707235A patent/SE418490B/en not_active IP Right Cessation
- 1977-06-23 IT IT49962/77A patent/IT1143585B/en active
- 1977-06-23 FR FR7719337A patent/FR2355775A1/en active Granted
- 1977-06-23 DE DE2728316A patent/DE2728316B2/en active Granted
- 1977-06-24 MX MX169610A patent/MX147264A/en unknown
- 1977-06-24 JP JP52075360A patent/JPS6020321B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2355775B1 (en) | 1984-04-13 |
| JPS5316388A (en) | 1978-02-15 |
| DE2728316B2 (en) | 1980-10-23 |
| GB1584626A (en) | 1981-02-18 |
| NO149884C (en) | 1984-07-11 |
| DE2728316A1 (en) | 1978-01-05 |
| FR2355775A1 (en) | 1978-01-20 |
| DE2728316C3 (en) | 1990-08-23 |
| SE7707235L (en) | 1977-12-25 |
| JPS6020321B2 (en) | 1985-05-21 |
| NO149884B (en) | 1984-04-02 |
| NO772165L (en) | 1977-12-28 |
| SE418490B (en) | 1981-06-09 |
| CA1103888A (en) | 1981-06-30 |
| MX147264A (en) | 1982-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950630 |