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1992-09-23
Method for refining and fractionation of palm oil and apparatus therefor
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Method of refining triglyceride oils
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1987-11-19
Method for treating caustic refined glyceride oils for removal of soaps and phospholipids
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1991-08-07
A process for deodorizing oils and fats
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1994-02-21
Method of treating fatty substances
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1993-12-27
Method of making soap from fatty wastes in particular those from petroleum refining processes
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1996-04-24
Method for inhibiting oxiation of oils and fats or fatty acids.
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1995-08-09
Process for gasification of solid and liquid waste
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1992-10-06
Method for refining of waste lubricating oils and an apparatus for employing the method
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1992-07-08
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1999-09-28
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1996-11-27
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1989-06-26
Method for cleaning waste containing emulsified oils and detergents
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1998-03-26
Method of refining waste oils (petroleum products)
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1983-04-25
Method of simultaneous disposal of oil products and detergents from waters and liquid wastes
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1994-11-21
Process for refining glyceride oil
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1989-12-11
Method of utilizing oily wastes from petroleum refining industry
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1993-05-05
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