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| Number | Title | Issue Date |
| 6194019 | Delayed release flavorant compositions Delayed release flavorant compositions containing flavor-release additives, namely 1,2-diols of the formula ##STR1## wherein R1 is one of the radicals ##STR2## where R2 is H, lower alkyl R3, R4 are H, lower alky... | 02/27/2001 |
| 4507518 | Dehydration of 2,5-dimethyl-2,5-hexanediol This invention relates to an improved process for the dehydration of 2,5-dimethyl-2,5-hexanediol to give good yields of 2,5-dimethyl-2,4-hexadiene with a minimum of by-products. This is accomplished by heating 2,5-dimethyl-2,5-hexanediol with a montmorill... | 03/26/1985 |
| 4409419 | Process for preparing 2,5-dimethyl-2,4-hexadiene 2,5-Dimethyl-2,4-hexadiene is prepared by dehydrating 2,5-dimethyl-2,5-hexanediol in liquid phase. The reaction takes place by contacting 2,5-dimethyl-2,5-hexanediol, melted or dissolved in an appropriate solvent, with acids, heating the mixture at a temp... | 10/11/1983 |
| 4381416 | Process for producing isoprene A process for producing isoprene, which comprises decomposing a mixture of at least two compounds represented by the general formula ##STR1## wherein (i) W and Y each represent a hydrogen atom, and X and Z are identical or different and each represen... | 04/26/1983 |
| 4338478 | Process for producing conjugated dienes A process for producing a conjugated diene represented by the general formula ##STR1## wherein R3, R4 and R5 each represent a hydrogen atom, or any one of them represents a methyl group and the other two each represen... | 07/06/1982 |
| 4150239 | Process for producing 1,4-glycol diester A process for producing 1,4-glycol diester from unsaturated glycol diesters prepared by reacting butadiene, acetic acid and oxygen or an oxygen-containing gas in the presence of a palladium catalyst or, from saturated glycol diesters prepared by hydrogena... | 04/17/1979 |
