FR2142999B1 - - Google Patents
Info
- Publication number
- FR2142999B1 FR2142999B1 FR7221338A FR7221338A FR2142999B1 FR 2142999 B1 FR2142999 B1 FR 2142999B1 FR 7221338 A FR7221338 A FR 7221338A FR 7221338 A FR7221338 A FR 7221338A FR 2142999 B1 FR2142999 B1 FR 2142999B1
- Authority
- FR
- France
- 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
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
- C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
- C07C5/2708—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously with crystalline alumino-silicates, e.g. molecular sieves
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
- C07C5/2732—Catalytic processes
- C07C5/2737—Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2767—Changing the number of side-chains
- C07C5/277—Catalytic processes
- C07C5/2775—Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15675771A | 1971-06-25 | 1971-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2142999A1 FR2142999A1 (fr) | 1973-02-02 |
FR2142999B1 true FR2142999B1 (fr) | 1977-04-01 |
Family
ID=22560952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7221338A Expired FR2142999B1 (fr) | 1971-06-25 | 1972-06-14 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3770841A (fr) |
BE (1) | BE785410A (fr) |
CA (1) | CA964675A (fr) |
DE (1) | DE2231246A1 (fr) |
FR (1) | FR2142999B1 (fr) |
GB (1) | GB1369925A (fr) |
IT (1) | IT961241B (fr) |
NL (1) | NL7208717A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3855328A (en) * | 1971-12-14 | 1974-12-17 | Sun Research Development | Isomerization and/or transalkylation and/or disproportionation of alkylnaphthalenes |
US3894108A (en) * | 1973-08-09 | 1975-07-08 | Exxon Research Engineering Co | High temperature liquid elution chromatography |
US4039599A (en) * | 1976-08-26 | 1977-08-02 | Uop Inc. | Xylene isomerization process |
NL7801367A (nl) * | 1978-02-07 | 1979-08-09 | Shell Int Research | Werkwijze voor de bereiding en afscheiding van p-xyleen. |
US4181811A (en) * | 1978-12-14 | 1980-01-01 | Mobil Oil Corporation | Selective reaction of 1,4-disubstituted aromatic compounds |
JPH0662456B2 (ja) * | 1987-10-05 | 1994-08-17 | 帝人株式会社 | メタキシレンの製造法 |
US6489527B1 (en) * | 1992-05-26 | 2002-12-03 | John Di-Yi Ou | Process for improving purity of para-xylene product |
IT1262941B (it) * | 1992-06-15 | 1996-07-22 | Enichem Spa | Procedimento per la separazione di miscele di idrocarburi c8 aromatici |
US5516955A (en) * | 1994-03-30 | 1996-05-14 | Glitsch International, Inc. | Catalytic distillation to produce orthoxylene and paraxylene |
US6627783B2 (en) | 2000-07-10 | 2003-09-30 | Bp Corporation North America Inc. | Pressure swing adsorption process for separating para-xylene and ethylbenzene from mixed C8 aromatics |
TWI240716B (en) * | 2000-07-10 | 2005-10-01 | Bp Corp North America Inc | Pressure swing adsorption process for separating paraxylene and ethylbenzene from mixed C8 aromatics |
US6573418B2 (en) | 2000-07-10 | 2003-06-03 | Bp Corporation North America Inc. | Process for production of para-xylene incorporating pressure swing adsorption and simulated moving bed adsorption |
US6565653B2 (en) | 2001-05-08 | 2003-05-20 | Bp Corporation North America Inc. | Energy efficient process for producing high purity paraxylene |
JP2005501119A (ja) | 2001-08-21 | 2005-01-13 | ザ・スタンダード・オイル・カンパニー | アクリロニトリル製造におけるヘッドカラムの改良された運転 |
US9809509B2 (en) * | 2015-12-15 | 2017-11-07 | Exxonmobil Chemical Patents Inc. | Process for xylenes isomerization |
-
1971
- 1971-06-25 US US00156757A patent/US3770841A/en not_active Expired - Lifetime
-
1972
- 1972-05-05 CA CA141,400A patent/CA964675A/en not_active Expired
- 1972-05-08 GB GB2136272A patent/GB1369925A/en not_active Expired
- 1972-06-14 FR FR7221338A patent/FR2142999B1/fr not_active Expired
- 1972-06-23 NL NL7208717A patent/NL7208717A/xx unknown
- 1972-06-23 BE BE785410A patent/BE785410A/fr unknown
- 1972-06-24 IT IT26184/72A patent/IT961241B/it active
- 1972-06-26 DE DE2231246A patent/DE2231246A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
CA964675A (en) | 1975-03-18 |
NL7208717A (fr) | 1972-12-28 |
BE785410A (fr) | 1972-12-27 |
FR2142999A1 (fr) | 1973-02-02 |
IT961241B (it) | 1973-12-10 |
GB1369925A (en) | 1974-10-09 |
US3770841A (en) | 1973-11-06 |
DE2231246A1 (de) | 1973-01-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |