| Title of Invention | AN IMPROVED PROCESS FOR THE PREPARATION OF PURIFIED OIL OF PLANT MATERIAL. |
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| Abstract | A process for the preparation of purified oil of plant material which comprises subjecting the oil (a) to a first step of acid degumming, (b) then neutralisation followed by (c) bleaching, the degumming step being carried out by treating the said oil with an aqueous solution of phosphoric acid whereafter so treated oil is further treated with water followed by washing the oil after the second treatment step with an electrolyte solution, allowing the oil so treated as above to settle, and separating the bottom layer containing gummy/waxy matter, (the degummed oil being then neutralised using excess caustic soda of 50% to 200% than stoichiometrically required) the cuastic soda being of 2N to 5N strength and having less than 0-2% sodium chloride, the thus neutralised oil being then allowed to stand to settle the residue whereafter the clear oil is separated • and subjected to washing with water, whereafter the washed neutralised oil is' dried under vacuum and bleached in a conventional manner. |
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332-BOM-1990-CANCELLED PAGES.pdf
332-BOM-1990-CORRESPONDENCE(IPO).pdf
332-BOM-1990-CORRESPONDENCE(RECEIVED).pdf
332-BOM-1990-FORM 2(GRANTED).pdf
332-BOM-1990-OTHER DOCUMENT.pdf
332-BOM-1990-SPECIFICATION(AMENDED).pdf
| Patent Number | 171764 | ||||||||
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| Indian Patent Application Number | 332/BOM/1990 | ||||||||
| PG Journal Number | 46/2012 | ||||||||
| Publication Date | 16-Nov-2012 | ||||||||
| Grant Date | 19-Dec-1997 | ||||||||
| Date of Filing | 14-Dec-1990 | ||||||||
| Name of Patentee | HINDUSTAN LEVER LIMITED | ||||||||
| Applicant Address | HINDUSTAN LEVER HOUSE, 165/166 BACKBAY RECLAMATION, BOMBAY 400020 | ||||||||
Inventors:
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| PCT International Classification Number | C11C1/08 | ||||||||
| PCT International Application Number | N/A | ||||||||
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