NL7203949A - - Google Patents
Info
- Publication number
- NL7203949A NL7203949A NL7203949A NL7203949A NL7203949A NL 7203949 A NL7203949 A NL 7203949A NL 7203949 A NL7203949 A NL 7203949A NL 7203949 A NL7203949 A NL 7203949A NL 7203949 A NL7203949 A NL 7203949A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12908671A | 1971-03-29 | 1971-03-29 | |
| US12908571A | 1971-03-29 | 1971-03-29 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7203949A true NL7203949A (ro) | 1972-10-03 |
| NL171696B NL171696B (nl) | 1982-12-01 |
| NL171696C NL171696C (nl) | 1983-05-02 |
Family
ID=26827208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203949A NL171696C (nl) | 1971-03-29 | 1972-03-24 | Werkwijze voor het winnen van butadieen uit mengsels met andere cÿ4-koolwaterstoffen. |
Country Status (13)
| Country | Link |
|---|---|
| BE (1) | BE781027A (ro) |
| CA (1) | CA987630A (ro) |
| CS (1) | CS188876B2 (ro) |
| DD (1) | DD98665A5 (ro) |
| DE (1) | DE2214940C2 (ro) |
| ES (1) | ES401205A1 (ro) |
| FI (1) | FI57251C (ro) |
| FR (1) | FR2132098A1 (ro) |
| IT (1) | IT950801B (ro) |
| NL (1) | NL171696C (ro) |
| PL (1) | PL83372B1 (ro) |
| RO (1) | RO60478A (ro) |
| SE (1) | SE390019B (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1104517A (en) * | 1977-08-02 | 1981-07-07 | Polysar Limited | Energy conservation in a butadiene process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB983783A (en) * | 1963-10-25 | 1965-02-17 | Shell Int Research | Process for the removal of alkynes from hydrocarbon mixtures containing alkadienes |
| FR1488756A (fr) * | 1965-08-06 | 1967-07-13 | Union Carbide Corp | Distillation extractive |
-
1972
- 1972-03-22 BE BE781027A patent/BE781027A/xx not_active IP Right Cessation
- 1972-03-24 NL NL7203949A patent/NL171696C/xx not_active IP Right Cessation
- 1972-03-27 FR FR7210706A patent/FR2132098A1/fr active Granted
- 1972-03-27 DE DE19722214940 patent/DE2214940C2/de not_active Expired
- 1972-03-27 IT IT2244072A patent/IT950801B/it active
- 1972-03-27 CS CS203672A patent/CS188876B2/cs unknown
- 1972-03-27 CA CA138,238A patent/CA987630A/en not_active Expired
- 1972-03-27 SE SE396972A patent/SE390019B/xx unknown
- 1972-03-27 FI FI83972A patent/FI57251C/fi active
- 1972-03-27 DD DD16195172A patent/DD98665A5/xx unknown
- 1972-03-27 ES ES401205A patent/ES401205A1/es not_active Expired
- 1972-03-27 PL PL15435072A patent/PL83372B1/pl unknown
- 1972-03-27 RO RO7028772A patent/RO60478A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2132098A1 (en) | 1972-11-17 |
| IT950801B (it) | 1973-06-20 |
| DE2214940A1 (de) | 1973-02-01 |
| NL171696B (nl) | 1982-12-01 |
| DD98665A5 (ro) | 1973-07-05 |
| SE390019B (sv) | 1976-11-29 |
| CS188876B2 (en) | 1979-03-30 |
| CA987630A (en) | 1976-04-20 |
| BE781027A (ro) | 1972-09-22 |
| FI57251B (fi) | 1980-03-31 |
| NL171696C (nl) | 1983-05-02 |
| RO60478A (ro) | 1976-11-15 |
| DE2214940C2 (de) | 1982-12-09 |
| FI57251C (fi) | 1980-07-10 |
| ES401205A1 (es) | 1975-02-16 |
| FR2132098B1 (ro) | 1974-09-13 |
| PL83372B1 (en) | 1975-12-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ |
|
| V4 | Lapsed because of reaching the maxim lifetime of a patent |