GB343878A - Improvements in or relating to the purification of chlornaphthalenes - Google Patents
Improvements in or relating to the purification of chlornaphthalenesInfo
- Publication number
- GB343878A GB343878A GB31728/29A GB3172829A GB343878A GB 343878 A GB343878 A GB 343878A GB 31728/29 A GB31728/29 A GB 31728/29A GB 3172829 A GB3172829 A GB 3172829A GB 343878 A GB343878 A GB 343878A
- Authority
- GB
- United Kingdom
- Prior art keywords
- receivers
- crude product
- delivery pipe
- distilling
- specific gravity
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
- C07C25/18—Polycyclic aromatic halogenated hydrocarbons
- C07C25/22—Polycyclic aromatic halogenated hydrocarbons with condensed rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
- C07C17/12—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic compounds
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US313621A US1953070A (en) | 1928-10-19 | 1928-10-19 | Purification of chlornaphthalenes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB343878A true GB343878A (en) | 1931-02-18 |
Family
ID=23216438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31728/29A Expired GB343878A (en) | 1928-10-19 | 1929-10-18 | Improvements in or relating to the purification of chlornaphthalenes |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2584376A (en) * | 1947-10-22 | 1952-02-05 | Dow Chemical Co | Purification of benzene hexachloride |
| US2694738A (en) * | 1951-11-13 | 1954-11-16 | Hooker Electrochemical Co | Process for stabilization of nuclear halogenated aromatic hydrocarbons |
-
0
- BE BE364606D patent/BE364606A/xx unknown
-
1928
- 1928-10-19 US US313621A patent/US1953070A/en not_active Expired - Lifetime
-
1929
- 1929-10-18 FR FR683508D patent/FR683508A/fr not_active Expired
- 1929-10-18 GB GB31728/29A patent/GB343878A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1953070A (en) | 1934-04-03 |
| FR683508A (fr) | 1930-06-13 |
| BE364606A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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