Title of Invention | "A PROCESS FOR THE PREPARATION OF A FLUID LOSS CONTROL AGENT" |
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Abstract | This invention relates to a process for the preparation of a fluid loss control agent and viscosifier. According to the process cassia tora gum (CTG) is added to aqueous methanol with alkali and the same is stirred. Chloro acetic acid is added to the mixture intermittently during the stirring. The mix is refluxed on a water bath and the same is cooled. The product is filtered and subjected to the step of washing with aqueous methanol followed by methanol till the pH of the filtrate is between 9-11 and them the same is dried and pulverized obtain CMCTG. |
Full Text |
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680-del-2000-complete specification (granted).pdf
680-del-2000-correspondence-others.pdf
680-del-2000-correspondence-po.pdf
680-del-2000-description (complete).pdf
680-del-2000-description (provisional).pdf
680-del-2000-petition-others.pdf
Patent Number | 226638 | |||||||||
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Indian Patent Application Number | 0680/DEL/2000 | |||||||||
PG Journal Number | 04/2009 | |||||||||
Publication Date | 23-Jan-2009 | |||||||||
Grant Date | 23-Dec-2008 | |||||||||
Date of Filing | 25-Jul-2000 | |||||||||
Name of Patentee | THE DIRECTOR, FOREST RESEARCH INSTITUTE | |||||||||
Applicant Address | P.O. NEW FOREST, DEHRADUN-248 006, INDIA. | |||||||||
Inventors:
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PCT International Classification Number | C09K 7/00 | |||||||||
PCT International Application Number | N/A | |||||||||
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PCT Conventions:
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