GB1225560A - - Google Patents
Info
- Publication number
- GB1225560A GB1225560A GB1225560DA GB1225560A GB 1225560 A GB1225560 A GB 1225560A GB 1225560D A GB1225560D A GB 1225560DA GB 1225560 A GB1225560 A GB 1225560A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- dioxepin
- trichloroethane
- dec
- hydrogen
- Prior art date
- 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/028—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons
- C23G5/02854—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons characterised by the stabilising or corrosion inhibiting additives
- C23G5/02861—Oxygen-containing compounds
- C23G5/02877—Ethers
-
- 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
- C07C17/42—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
- C07D321/02—Seven-membered rings
- C07D321/04—Seven-membered rings not condensed with other rings
- C07D321/06—1,3-Dioxepines; Hydrogenated 1,3-dioxepines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1,225,560. Stabilization of 1,1,1-trichloroethane. DOW CHEMICAL CO. 23 Dec., 1968 [29 Dec., 1967; 24 Jan., 1968], No. 61108/68. Heading C2C. [Also in Division C5] 1,1,1-Trichloroethane is stabilized by a dioxepin compound of the Formula (I): wherein A is a cycloalkylidene radical (C 5-6 ) or a radical of the Formula II: wherein the group R is hydrogen or alkyl and the group R 1 is hydrogen, alkyl, alkenyl (C 2-4 ), acetyl, furyl, carbalkoxymethyl, phenyl, hydroxyphenyl or alkoxyphenyl, the said alkyl and alkoxy groups having from 1-4 carbon atoms. The stability of 1,1,1-trichlorethane is especially improved by the use of, by volume, 2-10% of the dioxepin compound, 0.25-2% either of nitromethane or of propargyl alcohol or a mixture of the two, and 0.25-2% of an alkylene oxide (C 3-5 ) optionally containing a chlorine atom.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69441667A | 1967-12-29 | 1967-12-29 | |
| US70068268A | 1968-01-24 | 1968-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1225560A true GB1225560A (en) | 1971-03-17 |
Family
ID=27105374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1225560D Expired GB1225560A (en) | 1967-12-29 | 1968-12-23 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE726136A (en) |
| DE (1) | DE1817488A1 (en) |
| FR (1) | FR1596437A (en) |
| GB (1) | GB1225560A (en) |
| NL (1) | NL6817013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403428A1 (en) * | 1973-02-02 | 1974-08-22 | Ici Ltd | DETERGENT SOLVENT COMPOSITION |
-
1968
- 1968-11-28 NL NL6817013A patent/NL6817013A/xx unknown
- 1968-12-23 GB GB1225560D patent/GB1225560A/en not_active Expired
- 1968-12-27 FR FR1596437D patent/FR1596437A/fr not_active Expired
- 1968-12-27 BE BE726136D patent/BE726136A/xx unknown
- 1968-12-30 DE DE19681817488 patent/DE1817488A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403428A1 (en) * | 1973-02-02 | 1974-08-22 | Ici Ltd | DETERGENT SOLVENT COMPOSITION |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1596437A (en) | 1970-06-15 |
| BE726136A (en) | 1969-06-27 |
| DE1817488A1 (en) | 1969-10-09 |
| NL6817013A (en) | 1969-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |