DE2756221A1 - Verfahren zur aethylierung von benzol - Google Patents
Verfahren zur aethylierung von benzolInfo
- Publication number
- DE2756221A1 DE2756221A1 DE19772756221 DE2756221A DE2756221A1 DE 2756221 A1 DE2756221 A1 DE 2756221A1 DE 19772756221 DE19772756221 DE 19772756221 DE 2756221 A DE2756221 A DE 2756221A DE 2756221 A1 DE2756221 A1 DE 2756221A1
- Authority
- DE
- Germany
- Prior art keywords
- benzene
- ethylene
- zeolite
- zsm
- reaction
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
- C07C2/66—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/909—Heat considerations
- Y10S585/911—Heat considerations introducing, maintaining, or removing heat by atypical procedure
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/95—Prevention or removal of corrosion or solid deposits
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/767,855 US4107224A (en) | 1977-02-11 | 1977-02-11 | Manufacture of ethyl benzene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2756221A1 true DE2756221A1 (de) | 1978-08-17 |
| DE2756221C2 DE2756221C2 (forum.php) | 1989-06-22 |
Family
ID=25080790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772756221 Granted DE2756221A1 (de) | 1977-02-11 | 1977-12-16 | Verfahren zur aethylierung von benzol |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4107224A (forum.php) |
| JP (1) | JPS53101314A (forum.php) |
| AU (1) | AU518433B2 (forum.php) |
| BE (1) | BE863221A (forum.php) |
| BR (1) | BR7800792A (forum.php) |
| CA (1) | CA1088105A (forum.php) |
| DE (1) | DE2756221A1 (forum.php) |
| ES (1) | ES465826A1 (forum.php) |
| GB (1) | GB1586631A (forum.php) |
| IT (1) | IT1093704B (forum.php) |
| MX (1) | MX147446A (forum.php) |
| NL (1) | NL187477C (forum.php) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829756A1 (de) * | 1977-07-29 | 1979-02-15 | Mobil Oil Corp | Verfahren zur aethylierung von monoalkylbenzolen |
| EP0418370A4 (en) * | 1989-03-20 | 1991-09-11 | Mobil Oil Corporation | Process for the production of alkyl aromatic hydrocarbons |
| FR2662438A1 (fr) * | 1990-05-22 | 1991-11-29 | Inst Francais Du Petrole | Procede de production d'alkylbenzenes utilisant des catalyseurs a base de zeolithe y desaluminee. |
| FR2706888A1 (en) * | 1993-06-25 | 1994-12-30 | Inst Francais Du Petrole | Process for the alkylation of aromatic compounds |
Families Citing this family (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| YU34122B (en) * | 1965-03-30 | 1978-12-31 | Ciba Geigy Ag | Process for preparing phenylthiourea compounds |
| NZ192909A (en) * | 1979-02-21 | 1982-03-30 | Mobil Oil Corp | Crystalline zeolite designated zsm-48 useful as organic conversion catalyst |
| US4520220A (en) * | 1982-02-22 | 1985-05-28 | Cosden Technology, Inc. | Alkylation of aromatics employing silicalite catalysts |
| US4447664A (en) * | 1982-09-23 | 1984-05-08 | The Dow Chemical Company | Integrated Fischer-Tropsch and aromatic alkylation process |
| US5233112A (en) * | 1987-08-31 | 1993-08-03 | Mobil Oil Corp | Catalytic conversion over specially synthesized crystalline porous chalcogenides |
| US5147838A (en) * | 1987-08-31 | 1992-09-15 | Mobil Oil Corporation | Temperature programmed synthesis or crystalline porous chalcogenides |
| WO1989007586A1 (en) * | 1988-02-19 | 1989-08-24 | Mobil Oil Corporation | Process for the production of gasoline from fuel gas and catalytic reformate |
| US4950827A (en) * | 1988-03-28 | 1990-08-21 | Institute Of Gas Technology | Oxidative coupling of aliphatic and alicyclic hydrocarbons with aliphatic and alicyclic substituted aromatic hydrocarbons |
| US5003119A (en) * | 1988-05-09 | 1991-03-26 | Lummus Crest, Inc. | Manufacture of alkylbenzenes |
| US5262576A (en) * | 1989-03-23 | 1993-11-16 | Chemical Research & Licensing Company | Method for the alkylation of organic aromatic compounds |
| US4922053A (en) * | 1989-05-24 | 1990-05-01 | Fina Technology, Inc. | Process for ethylbenzene production |
| US5030786A (en) * | 1989-06-23 | 1991-07-09 | Fina Technology, Inc. | Liquid phase aromatic conversion process |
| US5073653A (en) * | 1989-06-23 | 1991-12-17 | Fina Technology, Inc. | Aromatic alkylation processes |
| US5196623A (en) * | 1989-06-23 | 1993-03-23 | Fina Technology, Inc. | Aromatic alkylation process employing zeolite omega catalyst |
| US5120890A (en) * | 1990-12-31 | 1992-06-09 | Uop | Process for reducing benzene content in gasoline |
| US5476823A (en) * | 1993-05-28 | 1995-12-19 | Mobil Oil Corp. | Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and method to increase the activity thereof |
| US5430211A (en) * | 1993-10-29 | 1995-07-04 | The Dow Chemical Company | Process of preparing ethylbenzene or substituted derivatives thereof |
| CN1043421C (zh) * | 1993-12-12 | 1999-05-19 | 抚顺石油化工公司石油二厂 | 稀乙烯与甲苯反应制取对甲基乙苯工艺方法 |
| CN1041399C (zh) * | 1994-12-30 | 1998-12-30 | 中国石油化工总公司 | 一种含稀土的结晶硅酸铝沸石 |
| US5942650A (en) * | 1995-09-20 | 1999-08-24 | Uop Llc | Process for the removal of nitrogen compounds from an aromatic stream |
| US5744686A (en) * | 1995-09-20 | 1998-04-28 | Uop | Process for the removal of nitrogen compounds from an aromatic hydrocarbon stream |
| US5856607A (en) * | 1996-05-03 | 1999-01-05 | Amoco Corporation | Process for production of ethylbenzene frome dilute ethylene streams |
| CN1048655C (zh) * | 1996-06-24 | 2000-01-26 | 中国石油化工总公司 | 一种烷基化催化剂及其应用 |
| US5900518A (en) * | 1996-10-30 | 1999-05-04 | Fina Technology, Inc. | Heat integration in alkylation/transalkylation process |
| US5955642A (en) * | 1996-10-30 | 1999-09-21 | Fina Technology, Inc. | Gas phase alkylation-liquid transalkylation process |
| US5847255A (en) * | 1997-05-21 | 1998-12-08 | Fina Technology, Inc. | Gas phase alkylation-liquid phase transalkylation process |
| US5877370A (en) * | 1997-06-16 | 1999-03-02 | Uop Llc | Method for minimizing diarylalkane formation in alkylation of aromatics by olefins by zeolite beta |
| US6479721B1 (en) | 1997-06-16 | 2002-11-12 | Uop Llc | Alkylation process operating at low olefin ratios |
| US6043402A (en) * | 1997-06-16 | 2000-03-28 | Uop Llc | Method for minimizing diarylalkane formation in alkylation-transalkylation process using zeolite beta |
| US5880320A (en) * | 1997-08-05 | 1999-03-09 | Netzer; David | Combination process for manufacturing ethylene ethylbenzene and styrene |
| US5907073A (en) * | 1998-02-24 | 1999-05-25 | Fina Technology, Inc. | Aromatic alkylation process |
| US6057485A (en) * | 1998-11-17 | 2000-05-02 | Fina Technology, Inc. | Gas phase alkylation with split load of catalyst |
| US6090991A (en) * | 1999-02-27 | 2000-07-18 | Fina Technology, Inc. | Gas phase alkylation method and catalyst |
| US6268542B1 (en) | 1999-08-23 | 2001-07-31 | Fina Technology, Inc. | Multi-phase alkylation-transalkylation process |
| FR2808523B1 (fr) * | 2000-05-02 | 2002-08-16 | Inst Francais Du Petrole | Procede de production conjointe ou non de monoakylaromatiques, dialkyl aromatiques et trialkyl aromatiques |
| US7371911B2 (en) * | 2005-02-25 | 2008-05-13 | Fina Technology, Inc. | Critical phase alkylation and transalkylation process in the presence of a beta zeolite |
| US6486371B1 (en) | 2000-11-28 | 2002-11-26 | Fina Technology, Inc. | Multistage reaction system with interstage sparger systems |
| US6376729B1 (en) | 2000-12-04 | 2002-04-23 | Fina Technology, Inc. | Multi-phase alkylation process |
| GB0106269D0 (en) * | 2001-03-14 | 2001-05-02 | Auntiegravity Ltd | Improvements in noise cancellation |
| US6783659B2 (en) | 2001-11-16 | 2004-08-31 | Chevron Phillips Chemical Company, L.P. | Process to produce a dilute ethylene stream and a dilute propylene stream |
| US6995295B2 (en) * | 2002-09-23 | 2006-02-07 | Exxonmobil Chemical Patents Inc. | Alkylaromatics production |
| US7238843B2 (en) * | 2003-02-28 | 2007-07-03 | Abb Lummus Global, Inc. | Process for the production of alkylaromatics |
| FR2854628B1 (fr) * | 2003-05-07 | 2005-06-24 | Inst Francais Du Petrole | Procede de production de phenylalcanes en presence d'un catalyseur solide acide dont la desactivation est retardee |
| US7141710B2 (en) * | 2003-11-25 | 2006-11-28 | Exxonmobil Chemical Patents Inc. | Aromatics alkylation process |
| US7205448B2 (en) * | 2003-12-19 | 2007-04-17 | Uop Llc | Process for the removal of nitrogen compounds from a fluid stream |
| US6894201B1 (en) | 2003-12-19 | 2005-05-17 | Uop Llc | Process and apparatus for the removal of nitrogen compounds from a fluid stream |
| CN100348562C (zh) * | 2004-09-06 | 2007-11-14 | 中国科学院大连化学物理研究所 | 一种自热式低浓度乙烯与苯烃化生产乙基苯的方法 |
| CN1315761C (zh) * | 2004-12-23 | 2007-05-16 | 中国科学院大连化学物理研究所 | 一种催化干气中乙烯与苯分离制备乙基苯的方法 |
| CN1319915C (zh) * | 2005-10-19 | 2007-06-06 | 大连理工大学 | 一种苯与干气烃化制乙苯节能方法 |
| US7501547B2 (en) * | 2006-05-10 | 2009-03-10 | Exxonmobil Chemical Patents Inc. | Alkylaromatics production |
| US7737314B2 (en) * | 2007-02-12 | 2010-06-15 | Exxonmobil Chemical Patents Inc. | Production of high purity ethylbenzene from non-extracted feed and non-extracted reformate useful therein |
| EP2105429A1 (en) * | 2008-03-20 | 2009-09-30 | Uop Llc | Process and apparatus for alkylation or aromatic with olefin using impure aromatic recycle |
| CN101768043B (zh) * | 2008-12-31 | 2013-09-25 | 中国科学院大连化学物理研究所 | 一种稀乙烯与苯反应制乙苯的方法 |
| US8889937B2 (en) | 2011-06-09 | 2014-11-18 | Uop Llc | Process for producing one or more alkylated aromatics |
| NL2007874C2 (en) | 2011-11-25 | 2013-05-28 | Progression Industry B V | The application of chemical compounds presents a styrene production process in a fuel. |
| CA2860773C (en) | 2012-01-13 | 2020-11-03 | Siluria Technologies, Inc. | Process for separating hydrocarbon compounds |
| US9469577B2 (en) | 2012-05-24 | 2016-10-18 | Siluria Technologies, Inc. | Oxidative coupling of methane systems and methods |
| US9969660B2 (en) | 2012-07-09 | 2018-05-15 | Siluria Technologies, Inc. | Natural gas processing and systems |
| US9598328B2 (en) | 2012-12-07 | 2017-03-21 | Siluria Technologies, Inc. | Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products |
| WO2015081122A2 (en) | 2013-11-27 | 2015-06-04 | Siluria Technologies, Inc. | Reactors and systems for oxidative coupling of methane |
| CA2935937A1 (en) | 2014-01-08 | 2015-07-16 | Siluria Technologies, Inc. | Ethylene-to-liquids systems and methods |
| US10377682B2 (en) | 2014-01-09 | 2019-08-13 | Siluria Technologies, Inc. | Reactors and systems for oxidative coupling of methane |
| CA2935946C (en) | 2014-01-09 | 2022-05-03 | Siluria Technologies, Inc. | Oxidative coupling of methane implementations for olefin production |
| CN105728017B (zh) * | 2014-12-08 | 2018-07-10 | 中国科学院大连化学物理研究所 | 一种无粘结剂zsm11分子筛催化剂的制备和应用 |
| CN105983434B (zh) * | 2015-02-11 | 2019-07-05 | 中国科学院大连化学物理研究所 | 一种无粘结剂的zsm-11分子筛催化剂的制备方法和应用 |
| US9334204B1 (en) | 2015-03-17 | 2016-05-10 | Siluria Technologies, Inc. | Efficient oxidative coupling of methane processes and systems |
| US10793490B2 (en) | 2015-03-17 | 2020-10-06 | Lummus Technology Llc | Oxidative coupling of methane methods and systems |
| US20160289143A1 (en) | 2015-04-01 | 2016-10-06 | Siluria Technologies, Inc. | Advanced oxidative coupling of methane |
| WO2016205411A2 (en) | 2015-06-16 | 2016-12-22 | Siluria Technologies, Inc. | Ethylene-to-liquids systems and methods |
| US9328297B1 (en) | 2015-06-16 | 2016-05-03 | Siluria Technologies, Inc. | Ethylene-to-liquids systems and methods |
| EP3362425B1 (en) | 2015-10-16 | 2020-10-28 | Lummus Technology LLC | Separation methods and systems for oxidative coupling of methane |
| US9944573B2 (en) | 2016-04-13 | 2018-04-17 | Siluria Technologies, Inc. | Oxidative coupling of methane for olefin production |
| US20180169561A1 (en) | 2016-12-19 | 2018-06-21 | Siluria Technologies, Inc. | Methods and systems for performing chemical separations |
| ES2960342T3 (es) | 2017-05-23 | 2024-03-04 | Lummus Technology Inc | Integración de procedimientos de acoplamiento oxidativo del metano |
| AU2018298234B2 (en) | 2017-07-07 | 2022-11-17 | Lummus Technology Llc | Systems and methods for the oxidative coupling of methane |
| US12227466B2 (en) | 2021-08-31 | 2025-02-18 | Lummus Technology Llc | Methods and systems for performing oxidative coupling of methane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3751506A (en) * | 1972-05-12 | 1973-08-07 | Mobil Oil Corp | Vapor-phase alkylation in presence of crystalline aluminosilicate catalyst |
| US3962364A (en) * | 1975-03-28 | 1976-06-08 | Mobil Oil Corporation | Alkylation in presence of phosphorus-modified crystalline luminosilicate catalyst |
| DE2624097A1 (de) * | 1975-05-29 | 1976-12-09 | Mobil Oil Corp | Verfahren zur alkylierung von aromatischen kohlenwasserstoffen |
| DE2321399C2 (de) * | 1972-04-28 | 1982-09-16 | Mobil Oil Corp., 10017 New York, N.Y. | Verfahren zur Alkylierung von aromatischen Kohlenwasserstoffen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436432A (en) * | 1968-03-29 | 1969-04-01 | Universal Oil Prod Co | Process for alkylation of aromatics using a halogen-containing aluminosilicate-alumina catalyst |
| US3542892A (en) * | 1969-03-24 | 1970-11-24 | Universal Oil Prod Co | Separation process for olefinic oligomerization and aromatic alkylation |
| US3751504A (en) * | 1972-05-12 | 1973-08-07 | Mobil Oil Corp | Vapor-phase alkylation in presence of crystalline aluminosilicate catalyst with separate transalkylation |
-
1977
- 1977-02-11 US US05/767,855 patent/US4107224A/en not_active Expired - Lifetime
- 1977-11-22 CA CA291,517A patent/CA1088105A/en not_active Expired
- 1977-12-13 AU AU31509/77A patent/AU518433B2/en not_active Expired
- 1977-12-16 DE DE19772756221 patent/DE2756221A1/de active Granted
-
1978
- 1978-01-03 GB GB46/78A patent/GB1586631A/en not_active Expired
- 1978-01-07 ES ES465826A patent/ES465826A1/es not_active Expired
- 1978-01-23 BE BE184561A patent/BE863221A/xx not_active IP Right Cessation
- 1978-02-09 NL NLAANVRAGE7801494,A patent/NL187477C/xx not_active IP Right Cessation
- 1978-02-10 JP JP1365678A patent/JPS53101314A/ja active Granted
- 1978-02-10 IT IT20169/78A patent/IT1093704B/it active
- 1978-02-10 BR BR7800792A patent/BR7800792A/pt unknown
- 1978-02-10 MX MX172392A patent/MX147446A/es unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2321399C2 (de) * | 1972-04-28 | 1982-09-16 | Mobil Oil Corp., 10017 New York, N.Y. | Verfahren zur Alkylierung von aromatischen Kohlenwasserstoffen |
| US3751506A (en) * | 1972-05-12 | 1973-08-07 | Mobil Oil Corp | Vapor-phase alkylation in presence of crystalline aluminosilicate catalyst |
| US3962364A (en) * | 1975-03-28 | 1976-06-08 | Mobil Oil Corporation | Alkylation in presence of phosphorus-modified crystalline luminosilicate catalyst |
| DE2624097A1 (de) * | 1975-05-29 | 1976-12-09 | Mobil Oil Corp | Verfahren zur alkylierung von aromatischen kohlenwasserstoffen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829756A1 (de) * | 1977-07-29 | 1979-02-15 | Mobil Oil Corp | Verfahren zur aethylierung von monoalkylbenzolen |
| EP0418370A4 (en) * | 1989-03-20 | 1991-09-11 | Mobil Oil Corporation | Process for the production of alkyl aromatic hydrocarbons |
| FR2662438A1 (fr) * | 1990-05-22 | 1991-11-29 | Inst Francais Du Petrole | Procede de production d'alkylbenzenes utilisant des catalyseurs a base de zeolithe y desaluminee. |
| FR2706888A1 (en) * | 1993-06-25 | 1994-12-30 | Inst Francais Du Petrole | Process for the alkylation of aromatic compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| BE863221A (fr) | 1978-07-24 |
| AU3150977A (en) | 1979-06-21 |
| NL187477C (nl) | 1991-10-16 |
| JPS53101314A (en) | 1978-09-04 |
| BR7800792A (pt) | 1979-01-02 |
| CA1088105A (en) | 1980-10-21 |
| GB1586631A (en) | 1981-03-25 |
| JPH0551571B2 (forum.php) | 1993-08-03 |
| ES465826A1 (es) | 1978-09-16 |
| AU518433B2 (en) | 1981-10-01 |
| DE2756221C2 (forum.php) | 1989-06-22 |
| IT1093704B (it) | 1985-07-26 |
| NL7801494A (nl) | 1978-08-15 |
| MX147446A (es) | 1982-12-03 |
| IT7820169A0 (it) | 1978-02-10 |
| US4107224A (en) | 1978-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: KADOR, U., DIPL.-CHEM. DR.RER.NAT. KLUNKER, H., DI |
|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: KADOR, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 800 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |