BE722620A - - Google Patents
Info
- Publication number
- BE722620A BE722620A BE722620DA BE722620A BE 722620 A BE722620 A BE 722620A BE 722620D A BE722620D A BE 722620DA BE 722620 A BE722620 A BE 722620A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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 |
|---|---|---|---|
| US68716067A | 1967-12-01 | 1967-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722620A true BE722620A (en) | 1969-04-01 |
Family
ID=24759319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722620D BE722620A (en) | 1967-12-01 | 1968-10-21 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE722620A (en) |
| CH (1) | CH501601A (en) |
| DE (1) | DE1804693A1 (en) |
| DK (1) | DK118658B (en) |
| FR (1) | FR1588033A (en) |
| GB (1) | GB1234589A (en) |
| LU (1) | LU57150A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1236425B (en) * | 1962-05-12 | 1967-03-09 | Gerresheimer Glas Ag | Filter ring for socket end pipes |
| DE1263627B (en) * | 1963-07-27 | 1968-03-14 | Dr Rainer Kowald | Drainage with filter bodies attached to the joints of the drainage pipe, method for manufacturing the filter bodies attached to the joints and drainage machine for practicing the method |
| DE1298457B (en) * | 1966-06-02 | 1969-06-26 | Baar Heinz Joachim | Double socket for clay pipe drainage |
| GB2105713B (en) * | 1981-07-23 | 1985-06-12 | Sugai Chemical Ind Co Ltd | Process for producing 4,4'-diphenyldisulfonic acid and its monopotassium salt |
| DE3402622C2 (en) * | 1984-01-26 | 1986-10-30 | Bayer Ag, 5090 Leverkusen | Process for the preparation of diphenyl-4,4'-disulfonic acid |
| US4973650A (en) * | 1989-06-09 | 1990-11-27 | General Electric Company | Polyarylsulfone derived from 1,4"-(bishalophenylsulfone)terphenyl |
-
1968
- 1968-10-18 GB GB1234589D patent/GB1234589A/en not_active Expired
- 1968-10-21 BE BE722620D patent/BE722620A/xx unknown
- 1968-10-22 CH CH1577068A patent/CH501601A/en not_active IP Right Cessation
- 1968-10-23 DK DK512268AA patent/DK118658B/en unknown
- 1968-10-23 DE DE19681804693 patent/DE1804693A1/en active Pending
- 1968-10-23 FR FR1588033D patent/FR1588033A/fr not_active Expired
- 1968-10-23 LU LU57150D patent/LU57150A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU57150A1 (en) | 1969-01-31 |
| DK118658B (en) | 1970-09-21 |
| DE1804693A1 (en) | 1969-06-12 |
| CH501601A (en) | 1971-01-15 |
| GB1234589A (en) | 1971-06-03 |
| FR1588033A (en) | 1970-04-03 |