CH579007A5 - - Google Patents
Info
- Publication number
- CH579007A5 CH579007A5 CH596373A CH596373A CH579007A5 CH 579007 A5 CH579007 A5 CH 579007A5 CH 596373 A CH596373 A CH 596373A CH 596373 A CH596373 A CH 596373A CH 579007 A5 CH579007 A5 CH 579007A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/10—Regeneration of used chemical baths
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732309997 DE2309997C3 (de) | 1973-02-28 | Verfahren zur Reinigung von Perchloräthylen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH579007A5 true CH579007A5 (it) | 1976-08-31 |
Family
ID=5873397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH596373A CH579007A5 (it) | 1973-02-28 | 1973-04-26 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3869353A (it) |
| JP (1) | JPS49117409A (it) |
| AR (1) | AR194999A1 (it) |
| AT (1) | AT328410B (it) |
| BE (1) | BE811592A (it) |
| BR (1) | BR7303226D0 (it) |
| CH (1) | CH579007A5 (it) |
| DK (1) | DK138906C (it) |
| ES (1) | ES414864A1 (it) |
| FR (1) | FR2219136B1 (it) |
| GB (1) | GB1406747A (it) |
| IT (1) | IT987907B (it) |
| NL (1) | NL171152C (it) |
| NO (1) | NO138373C (it) |
| SE (1) | SE413502B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2348903A2 (fr) * | 1975-06-25 | 1977-11-18 | Rhone Poulenc Ind | Procede de separation d'hydrocarbures aliphatiques chlores ayant 1 a 3 atomes de carbone a partir de leurs melanges par distillation extractive |
| JP2007189841A (ja) * | 2006-01-13 | 2007-07-26 | Ichinomiya Denki:Kk | ブラシレスモータ |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2000881A (en) * | 1933-11-20 | 1935-05-07 | Dow Chemical Co | Method of purifying tetrachloroethylene |
| GB475109A (en) * | 1935-07-04 | 1937-11-15 | Ig Farbenindustrie Ag | Process for purifying chlorinated hydrocarbons |
| US2120668A (en) * | 1935-07-15 | 1938-06-14 | Dow Chemical Co | Method of purifying tetrachloroethylene |
| US2280794A (en) * | 1940-07-11 | 1942-04-28 | Du Pont | Purification of tetrachlorethylene |
| US3209040A (en) * | 1961-09-15 | 1965-09-28 | Solvay | Process for the treatment of chlorinated hydrocarbons |
| US3360474A (en) * | 1963-11-05 | 1967-12-26 | Caled Products Company Inc | Composition for treating used dry cleaning solvents |
-
1973
- 1973-04-17 AT AT339173A patent/AT328410B/de not_active IP Right Cessation
- 1973-04-26 CH CH596373A patent/CH579007A5/xx not_active IP Right Cessation
- 1973-04-30 AR AR247772A patent/AR194999A1/es active
- 1973-05-04 BR BR3226/73A patent/BR7303226D0/pt unknown
- 1973-05-08 NL NLAANVRAGE7306376,A patent/NL171152C/xx not_active IP Right Cessation
- 1973-05-11 NO NO1955/73A patent/NO138373C/no unknown
- 1973-05-17 ES ES414864A patent/ES414864A1/es not_active Expired
- 1973-05-25 IT IT24607/73A patent/IT987907B/it active
- 1973-06-29 DK DK360973A patent/DK138906C/da not_active IP Right Cessation
- 1973-08-02 GB GB3670873A patent/GB1406747A/en not_active Expired
- 1973-11-21 JP JP48130306A patent/JPS49117409A/ja active Pending
- 1973-12-10 US US423502A patent/US3869353A/en not_active Expired - Lifetime
-
1974
- 1974-02-19 FR FR7406258A patent/FR2219136B1/fr not_active Expired
- 1974-02-25 SE SE7402492A patent/SE413502B/xx unknown
- 1974-02-26 BE BE141405A patent/BE811592A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2309997B2 (de) | 1976-12-02 |
| AR194999A1 (es) | 1973-08-30 |
| NO138373C (no) | 1978-08-30 |
| ATA339173A (de) | 1975-06-15 |
| NL171152C (nl) | 1983-02-16 |
| BE811592A (fr) | 1974-06-17 |
| FR2219136B1 (it) | 1976-10-08 |
| FR2219136A1 (it) | 1974-09-20 |
| SE413502B (sv) | 1980-06-02 |
| DK138906B (da) | 1978-11-13 |
| DK138906C (da) | 1979-04-23 |
| JPS49117409A (it) | 1974-11-09 |
| BR7303226D0 (pt) | 1974-10-29 |
| GB1406747A (en) | 1975-09-17 |
| ES414864A1 (es) | 1976-02-01 |
| AT328410B (de) | 1976-03-25 |
| US3869353A (en) | 1975-03-04 |
| NL7306376A (it) | 1974-08-30 |
| DE2309997A1 (de) | 1974-09-12 |
| NO138373B (no) | 1978-05-16 |
| IT987907B (it) | 1975-03-20 |
| NL171152B (nl) | 1982-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |