Title of Invention | AN AQUEOUS HYDROGEN PEROXIDE SOLUTION AND A PROCESS FOR PREPARING THE SAME |
---|---|
Abstract | 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. |
Full Text |
---|
526-KOLNP-2005-CORRESPONDENCE.pdf
526-kolnp-2005-granted-abstract.pdf
526-kolnp-2005-granted-claims.pdf
526-kolnp-2005-granted-correspondence.pdf
526-kolnp-2005-granted-description (complete).pdf
526-kolnp-2005-granted-examination report.pdf
526-kolnp-2005-granted-form 1.pdf
526-kolnp-2005-granted-form 18.pdf
526-kolnp-2005-granted-form 2.pdf
526-kolnp-2005-granted-form 3.pdf
526-kolnp-2005-granted-form 5.pdf
526-kolnp-2005-granted-gpa.pdf
526-kolnp-2005-granted-letter patent.pdf
526-kolnp-2005-granted-reply to examination report.pdf
526-kolnp-2005-granted-specification.pdf
Patent Number | 221020 | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Indian Patent Application Number | 526/KOLNP/2005 | ||||||||||||||||||
PG Journal Number | 24/2008 | ||||||||||||||||||
Publication Date | 13-Jun-2008 | ||||||||||||||||||
Grant Date | 11-Jun-2008 | ||||||||||||||||||
Date of Filing | 30-Mar-2005 | ||||||||||||||||||
Name of Patentee | DEGUSSA AG | ||||||||||||||||||
Applicant Address | BENNIGSENPLATZ 1, DE-40474 DUSSELDORF | ||||||||||||||||||
Inventors:
|
|||||||||||||||||||
PCT International Classification Number | C01B 15/023 | ||||||||||||||||||
PCT International Application Number | PCT/EP03/010558 | ||||||||||||||||||
PCT International Filing date | 2003-09-23 | ||||||||||||||||||
PCT Conventions:
|