Record no |
201102236604 |
Activity status |
Dead or Administration by others |
Working Title |
PROCESS FOR THE PREPARATION OF DIHYDROXYDIPHENYLMETHANES |
Working Inventors |
ANAND PAL SINGH;SHARDA DAGADE; |
Contributing institutions |
NCL |
Administered by |
|
Ownership |
|
Categories > Subjects |
Polymer sciences and engineering |
Categories > Portfolio |
Polymerization/Polymer catalysis |
Disclosure number |
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NCL No |
1998-NCL-0056 |
CSIR No |
1998-NF-0343
|
Priority date |
02-25-1999 |
Country |
US |
Application number |
09/487426 |
Provisional filing date |
|
Complete filing date |
01-19-2000 |
Publication status |
Yes |
Publication date |
|
Publication no |
|
Granted number |
6492566 |
Granted date |
12-10-2002 |
Final title |
PROCESS FOR THE PREPARATION OF DIHYDROXYDIPHENYLMETHANES |
Final Inventors |
ANAND PAL SINGH;SHARDA DAGADE; |
Abstract |
The present invention discloses an improved process lor the preparation ol dihydroxydiphenylmethanes by reacting phenol over a microporous alumino silicate zeolite catalyst composite material in the presence ol a condensing agent and a solvent at a temper |
Case status |
Granted + Allowed to lapse |
Licensing status |
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Licensing case no |
|
Client name |
|
Lead inventors |
SINGH ANAND PAL |
Categories > Industry > Primary |
Polymers and Specialty and Others |
Categories > Industry > other |
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