Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing hydrocarbon
Patent
1990-04-17
1990-12-04
Griffin, Ronald W.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing hydrocarbon
4352524, 4352529, 4352534, 4352521, 435853, 435822, 435882, 4352536, 435262, 435909, 536 11, 536 185, 536 45, 536124, 536127, C12P 500, C12N 120, C07H 100
Patent
active
049753738
ABSTRACT:
Process for the preparation of sulphur-containing hydrocarbon chains, which consists in producing a fermentative action of two types of bacteria, lactic bacteria and bacteria of the genus Desulfovibrio, in a medium of soluble carbohydrates, to which culture medium sulphur is added in the form of salts or as elemental sulphur, the fermentation process being stopped at the point at which the proportion of sulphur-containing carbohydrate reaches its maximum, by means of alkalinization of the medium and subjecting the latter to a thermal shock at between 80.degree. and 90.degree. C., the medium finally being acidified or neutralized.
As a variant, sulphur is bound directly to carbohydrate molecules with a reaction time inversely proportional to the working pressures and temperatures.
REFERENCES:
patent: 4124501 (1978-11-01), Yen et al.
patent: 4242448 (1980-12-01), Brown
patent: 4584271 (1986-04-01), Stern et al.
Griffin Ronald W.
Megara Iberica S.A.
Webber Pamela
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