US2008168705A1PendingUtilityA1

Biofuel Composition

32
Assignee: MONSANTO SASPriority: Jul 2, 2004Filed: Oct 11, 2004Published: Jul 17, 2008
Est. expiryJul 2, 2024(expired)· nominal 20-yr term from priority
Inventors:Jean-Pierre Despeghel
Y02E50/10C11B 1/08C11B 1/10C10L 1/1802C10L 1/19C11C 3/003C10L 1/026
32
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Claims

Abstract

An object of the present invention is a novel rapeseed alkyl-ester(s) composition. Another object of the present invention is a process for the preparation of said novel rapeseed alkyl-ester(s) composition. Another object of the present invention relates to the use of said composition in diesel engines in its pure form or blended with another composition, e.g. with fuel.

Claims

exact text as granted — not AI-modified
1 - 19 . (canceled) 
     
     
         20 . A rapeseed alkyl-ester composition comprising less than 7% of mono-alkyl-ester(s) of saturated fatty acids, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         21 . The rapeseed alkyl-ester composition of  claim 20  comprising less than about 6.5% of mono-alkyl-ester(s) of saturated fatty acids, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         22 . The rapeseed alkyl-ester composition of  claim 20  comprising less than about 6% of mono-alkyl-ester(s) of saturated fatty acids, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         23 . The rapeseed alkyl-ester composition of  claim 20  comprising less than about 5.5% of mono-alkyl-ester(s) of saturated fatty acids, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         24 . The rapeseed alkyl-ester composition according to  claim 20  further comprising more than about 72% of mono-alkyl ester(s) of oleic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         25 . The rapeseed alkyl-ester composition according to  claim 20  further comprising more than about 75% of mono-alkyl ester(s) of oleic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         26 . The rapeseed alkyl-ester composition according to  claim 20  further comprising more than about 80% of mono-alkyl ester(s) of oleic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         27 . The rapeseed alkyl-ester composition according to  claim 20  further comprising more than about 85% of mono-alkyl ester(s) of oleic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         28 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 4% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         29 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 3.5% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         30 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 3% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         31 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 2.5% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         32 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 2% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         33 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 1.5% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         34 . The rapeseed alkyl-ester composition according to  claim 20  further comprising less than about 1% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         35 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 4% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         36 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 3.5% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         37 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 3% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         38 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 2.5% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         39 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 2% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         40 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 1.5% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         41 . The rapeseed alkyl-ester composition according to  claim 24  further comprising less than 1% of mono-alkyl ester(s) of linolenic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         42 . The rapeseed alkyl-ester composition according to  claim 35  wherein said mono-alkyl esters of saturated fatty acids comprise less than 4.5% of alkyl-ester(s) of palmitic acid, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         43 . The rapeseed alkyl-ester composition according to  claim 35 , further comprising less than about 15% of mono-alkyl ester(s) of linolenic acid and/or less than about 20% of mono-alkyl ester(s) of poly-unsaturated fatty acids, based on the total weight of mono-alkyl-esters of fatty acids in the composition. 
     
     
         44 . The rapeseed alkyl-ester composition according to  claim 20 , wherein said mono-alkyl esters comprise methyl esters. 
     
     
         45 . The rapeseed alkyl-ester composition according to  claim 24 , wherein said mono-alkyl esters comprise methyl esters. 
     
     
         46 . The rapeseed alkyl-ester composition according to  claim 28 , wherein said mono-alkyl esters comprise methyl esters. 
     
     
         47 . The rapeseed alkyl-ester composition according to  claim 20 , wherein said mono-alkyl esters comprise ethyl esters. 
     
     
         48 . The rapeseed alkyl-ester composition according to  claim 24 , wherein said mono-alkyl esters comprise ethyl esters. 
     
     
         49 . The rapeseed alkyl-ester composition according to  claim 28 , wherein said mono-alkyl esters comprise ethyl esters. 
     
     
         50 . A process for the preparation of a rapeseed alkyl-ester composition comprising a transesterification step of a rapeseed oil comprising less than 7% of saturated fatty acids, based on the total weight of the fatty acids in the oil. 
     
     
         51 . The process according to  claim 50 , comprising a transesterification step of a rapeseed oil comprising less than about 6.5% of saturated fatty acids, based on the total weight of the fatty acids in the oil. 
     
     
         52 . The process according to  claim 50 , comprising a transesterification step of a rapeseed oil comprising less than about 6% of saturated fatty acids, based on the total weight of the fatty acids in the oil. 
     
     
         53 . The process according to  claim 50 , comprising a transesterification step of a rapeseed oil comprising less than about 5.5% of saturated fatty acids, based on the total weight of the fatty acids in the oil. 
     
     
         54 . The process according to  claim 50 , wherein said rapeseed oil further comprises more than about 72% of oleic acid, and/or less than about 4% of linolenic acid, based on the total weight of the fatty acids in the oil. 
     
     
         55 . The process according to  claim 50 , wherein said rapeseed oil further comprises more than about 75% of oleic acid, and/or less than about 3.5% of linolenic acid, based on the total weight of the fatty acids in the oil. 
     
     
         56 . The process according to  claim 50 , wherein said rapeseed oil further comprises more than about 80% of oleic acid, and/or less than about 3% of linolenic acid, based on the total weight of the fatty acids in the oil. 
     
     
         57 . The process according to  claim 50 , wherein said rapeseed oil further comprises more than about 85% of oleic acid, and/or less than about 2% of linolenic acid, based on the total weight of the fatty acids in the oil. 
     
     
         58 . The process according to  claim 50 , wherein said rapeseed oil further comprises more than about 85% of oleic acid, and/or less than about 1% of linolenic acid, based on the total weight of the fatty acids in the oil. 
     
     
         59 . The process according to  claim 54 , wherein said saturated fatty acids comprise less than 4.5% of palmitic acid, based on the total weight of the fatty acids in the oil. 
     
     
         60 . The process according to  claim 54 , wherein said saturated fatty acids comprise less than 3.5% of palmitic acid, based on the total weight of the fatty acids in the oil. 
     
     
         61 . The process according to  claim 50 , wherein methanol is used in the transesterification step and the transesterification step is a methanolysis step. 
     
     
         62 . The process according to  claim 50  wherein the rapeseed oil is extracted from one or more of the varieties selected from the group consisting of the CONTACT variety, the CABRIOLET variety, the CALIDA variety, the MSPO 5  variety, the MSP11 variety and the MSP13 variety. 
     
     
         63 . Use of a rapeseed alkyl-ester composition of  claim 20  as biodiesel. 
     
     
         64 . Use of a rapeseed alkyl-ester composition of  claim 24  as biodiesel. 
     
     
         65 . Use of a rapeseed alkyl-ester composition of  claim 28  as biodiesel.

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