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An Aqueous Hydrogen Peroxide Solution And A Process For Preparing The Same
The present invention refers to an aqueous hydrogen peroxide solution comprising: i) less than 50 wppm alkali metals, alkaline earth metals or combinations thereof in total, irrespective whether the alkali or alkaline earth metals are present in cationic or complex form; ii) less than 50 wppm of amines having a pkB of less than 4.5 or the corresponding protonated compounds in total; and iii) at least 100 wppm anions or compounds that can dissociate to form anions in total, whereby the wppm are based on the weight of hydrogen peroxide and the concentration of hydrogen peroxide is more than 50 % by weight based on the total weight of the hydrogen peroxide solution, a process for preparation of said hydrogen peroxide solution and the use of said solution in a process for epoxidation of olefins.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
30 March 2005
Publication Number
08/2006
Publication Type
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2008-06-11
Renewal Date
Applicants
DEGUSSA AG
BENNIGSENPLATZ 1, DE-40474 DUSSELDORF
Inventors
1. DR. CLAUDIA BRASSE
ELSA-BRANDSTROM-STRASSE 5D, DE 63452 HANAU
2. DR. JURGEN GLENNEBERG
BIEBERER STRASSE 37, DE 63065 OFFENBACH,
3. DR. THOMAS HAAS
LERSNERSTRASSE 30A, DE-60322 FRANKFURT
4. DR. GUIDO STOCHNIOL
ST. INGBERT-STRASSE 1A, DE-45721 HALTERN
5. WOLFGANG WOLL
BACKESWEG 28A, DE 63477 MAINTAL
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 526-KOLNP-2005-FER-[27-06-2006].pdf | 2006-06-27 |
| 2 | 526-KOLNP-2005-LETTER OF PATENT CERTIFICATE-[11-06-2008].pdf | 2008-06-11 |
| 3 | 526-KOLNP-2005-PA.pdf | 2011-10-06 |
| 4 | 526-kolnp-2005-granted-specification.pdf | 2011-10-06 |
| 5 | 526-kolnp-2005-granted-reply to examination report.pdf | 2011-10-06 |
| 6 | 526-kolnp-2005-granted-letter patent.pdf | 2011-10-06 |
| 7 | 526-kolnp-2005-granted-gpa.pdf | 2011-10-06 |
| 8 | 526-kolnp-2005-granted-form 5.pdf | 2011-10-06 |
| 9 | 526-kolnp-2005-granted-form 3.pdf | 2011-10-06 |
| 10 | 526-kolnp-2005-granted-form 2.pdf | 2011-10-06 |
| 11 | 526-kolnp-2005-granted-form 18.pdf | 2011-10-06 |
| 12 | 526-kolnp-2005-granted-form 1.pdf | 2011-10-06 |
| 13 | 526-kolnp-2005-granted-examination report.pdf | 2011-10-06 |
| 14 | 526-kolnp-2005-granted-description (complete).pdf | 2011-10-06 |
| 15 | 526-kolnp-2005-granted-correspondence.pdf | 2011-10-06 |
| 16 | 526-kolnp-2005-granted-claims.pdf | 2011-10-06 |
| 17 | 526-kolnp-2005-granted-abstract.pdf | 2011-10-06 |
| 18 | 526-KOLNP-2005-FORM 27.pdf | 2011-10-06 |
| 19 | 526-kolnp-2005-form 15.pdf | 2011-10-06 |
| 20 | 526-KOLNP-2005-CORRESPONDENCE.pdf | 2011-10-06 |
| 21 | 526-KOLNP-2005-FORM-27.pdf | 2013-04-12 |
| 22 | 526-KOLNP-2005-(18-03-2014)-FORM-27.pdf | 2014-03-18 |
| 23 | 526-KOLNP-2005-Form 27-030315.pdf | 2015-04-01 |
| 24 | 526-KOLNP-2005-Correspondence-030315.pdf | 2015-04-01 |
| 25 | Form 27 [20-02-2017(online)].pdf | 2017-02-20 |
| 26 | 526-KOLNP-2005-RELEVANT DOCUMENTS [22-03-2018(online)].pdf | 2018-03-22 |
| 27 | 526-KOLNP-2005-RELEVANT DOCUMENTS [19-03-2019(online)].pdf | 2019-03-19 |
| 28 | 526-KOLNP-2005-RELEVANT DOCUMENTS [20-03-2020(online)].pdf | 2020-03-20 |
| 29 | 526-KOLNP-2005-FORM-26 [23-12-2020(online)].pdf | 2020-12-23 |
| 30 | 526-KOLNP-2005-FORM-26 [18-01-2021(online)].pdf | 2021-01-18 |
| 31 | 526-KOLNP-2005-PROOF OF ALTERATION [11-06-2021(online)].pdf | 2021-06-11 |
| 32 | 526-KOLNP-2005-PROOF OF ALTERATION [11-06-2021(online)]-1.pdf | 2021-06-11 |
| 33 | 526-KOLNP-2005-RELEVANT DOCUMENTS [28-09-2021(online)].pdf | 2021-09-28 |
| 34 | 526-KOLNP-2005-RELEVANT DOCUMENTS [20-09-2022(online)].pdf | 2022-09-20 |
| 35 | 526-kolnp-2005-21-01-2023-relevent documents.pdf | 2023-01-21 |
| 36 | 526-KOLNP-2005-RELEVANT DOCUMENTS [26-09-2023(online)].pdf | 2023-09-26 |