JPS4810455B1 - - Google Patents
Info
- Publication number
- JPS4810455B1 JPS4810455B1 JP43089652A JP8965268A JPS4810455B1 JP S4810455 B1 JPS4810455 B1 JP S4810455B1 JP 43089652 A JP43089652 A JP 43089652A JP 8965268 A JP8965268 A JP 8965268A JP S4810455 B1 JPS4810455 B1 JP S4810455B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1668161 | 1967-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4810455B1 true JPS4810455B1 (enrdf_load_stackoverflow) | 1973-04-03 |
Family
ID=5686085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43089652A Pending JPS4810455B1 (enrdf_load_stackoverflow) | 1967-12-09 | 1968-12-09 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4810455B1 (enrdf_load_stackoverflow) |
| SE (1) | SE365496B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE425215B (sv) * | 1980-09-12 | 1982-09-13 | Jacob Weitman | Sett och anordning for behandling av en uppvermd forsmutsad gas |
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1968
- 1968-12-09 SE SE16839/68A patent/SE365496B/xx unknown
- 1968-12-09 JP JP43089652A patent/JPS4810455B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE365496B (enrdf_load_stackoverflow) | 1974-03-25 |