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| Number | Title | Issue Date |
| 4734367 | Process to produce alpha-substituted derivatives of 3-hydroxypropionic acid The manufacture of optically active compounds of the formula ##STR1## wherein R1 signifies alkyl, phenyl or benzyl and R2 signifies hydrogen or a customary ester residue, by the fermentative reduction of compounds of the formula ... | 03/29/1988 |
| 4720457 | Selective production of ethyl acetate and acetaldehyde by microorganisms This invention is concerned with the selective production of ethyl acetate and acetaldehyde by microorganisms, for example of the genus Candida and of the genus Hansenula. Ethyl acetate or acetaldehyde may be produced by altering the concentration of etha... | 01/19/1988 |
| 4719178 | Rearrangement process In a continuous interesterification process a fatty acid ester reactant, preferably a glyceride and optionally including free fatty acid, is contacted with an enzyme as interesterification catalyst which is preferably 1,3-selective and precipitated on an ... | 01/12/1988 |
| 4710468 | Process for preparing L-carnitine and chemical intermediates employed therein A process for preparing L-carnitine which comprises exposing γ-substituted acetoacetic acid esters or amides to the fermentative enzymatic action of a microorganism which elaborates L-ଲ-hydroxyacyl CoA dehydrogenase [EC 1.1.1.35] , recovering the r... | 12/01/1987 |
| 4705604 | Process for extracting poly-beta-hydroxybutyrates by means of a solvent from an aqueous suspension of microorganisms A process for extracting poly-beta-hydroxybutyrates from an aqueous suspension of microorganisms, in which an azeotropic distillation, and an extraction of the polymer by means of the solvent used, are carried out simultaneously. The poly-beta-hydroxybuty... | 11/10/1987 |
| 4686307 | Preparation of naturally-occurring C2 -C5 alkyl esters of C4 -C5 carboxylic acids by means of fermentation of C5 -C6 amino acids in the presence of C2 -C5 alcohols Discribed is a process for the preparation of C2 -C5 alkyl esters of C4 -C5 carboxylic acids defined according to the structure: ##STR1## by means of fermentation of one or more C5 -C6 amin... | 08/11/1987 |
| 4668628 | Resolution of racemic mixtures of aliphatic acid esters Racemic mixtures of partially water-soluble esters defined by the formula ##STR1## wherein R and R1 represent hydrogen and C1 -C4 alkyl; R2 represents C1 -C4 alkyl and X represents halogen, alip... | 05/26/1987 |
| 4657862 | Preparation of naturally-occurring C2-C5 alkyl esters of C4-C5 carboxylic acids by means of fermentation of C5-C6 amino acids in the presence of C2-C5 alcohols Described is a process for the preparation of C2 -C5 alkyl esters of C4 -C5 carboxylic acids defined according to the structure: ##STR1## by means of fermentation of one or more C5 -C6 amin... | 04/14/1987 |
| 4645741 | Modified lipase A modified lipase, comprising lipase molecules which are partially substituted with an active derivative of a polyalkylene glcyol having a hydrophobic group at the terminal end.... | 02/24/1987 |
| 4642290 | Process for preparing a compound for use in the production of L-carnitine A process for preparing L-carnitine which comprises exposing γ-substituted acetoacetic acid esters or amides to the fermentative enzymatic action of a microorganism which elaborates oxido-reductase enzymes, recovering the resulting, optically active, cor... | 02/10/1987 |
| 4622301 | 2-Oxocarboxylic acid reductase and its preparation A novel enzyme for the reduction of 2-oxocarboxylic acids, and its preparation, are described.... | 11/11/1986 |
| 4614718 | Synthesis of sugar or sugar-alcohol fatty acid esters Sugar or sugar-alcohol fatty acid esters such as sucrose fatty acid esters are synthesized by incubating an aqueous mixture of a sugar or sugar-alcohol, a fatty acid and a catalytically active amount of a lipolytic enzyme, and recovering the resulting est... | 09/30/1986 |
| 4595659 | Fermentation production of ascorbic acid from L-galactonic substrate Processes for the fermentation production of L-ascorbic acid (Vitamin C), and to microorganisms (e.g., Candida Norvegensis MF-56, ATCC 20686) and fermentation media which are specifically adapted for such fermentation.... | 06/17/1986 |
| 4568641 | Process for producing optically active aryloxypropionic acids and derivatives thereof A process for the stereospecific inversion of the [S] enantiomer of an -aryloxypropionic acid of formula I: ##STR1## wherein G is OR1 or ##STR2## R1 is hydrogen or a protecting group and R2 is hydrogen or ... | 02/04/1986 |
| 4565782 | Process for producing optically active aryloxypropionic acids and derivatives thereof useful as herbicides A process for the stereospecific inversion of the [S] enantiomer of an -aryloxypropionic acid of formula I: ##STR1## wherein E is OR1 or ##STR2## R1 is an unsubstituted or substituted aryl or heterocyclic ring s... | 01/21/1986 |
| 4562245 | Extraction process A continuous process for the extraction of 3-hydroxybutyrate polymers from micro-organism cells wherein a non-solvent is added to the extracted syrup to permit separation of the polymer and, by distillation, the bulk of the extraction liquid, which may be... | 12/31/1985 |
| 4537859 | Process for preparing 3-hydroxy-ML-236B derivatives known as M-4 and M-4' Compounds of formula (I): ##STR1## (wherein OH represents OH or OH), that is to say M-4 carboxylic acid and M-4' carboxylic acid, as well as pharmaceutically acceptable salts and esters thereof and the corresponding ring-closed lactones may be prepar... | 08/27/1985 |
| 4536474 | Tissue culture of lichens An undifferentiated symbiotic combination of alga and fungus cells, obtained directly from a lichen explant, are cultured in a media under appropriate conditions to produce aromatic lichenous substances and these substances are recovered.... | 08/20/1985 |
| 4525455 | Method for preparing a cell free homogenate of Chrysanthemum cinerariaefolium (Trev.) Bocc. containing enzymes and methods of use A method is disclosed for preparing a cell free homogenate from Chrysanthemum species and Tagetes species of the family Compositae which contains the bioactive enzyme(s) and cofactor(s) of the pyrethrum pathway. A method is also disclosed for preparing a ... | 06/25/1985 |
| 4511655 | Process for producing 4-cyclopentenones A 4-cyclopentenone of the formula: ##STR1## wherein R is a lower alkyl group, a lower alkenyl group or a lower alkynyl group and R' is a hydroxyl group or an aliphatic acyloxy group, provided that in case of the dl-form, R' is not a hydroxyl group an... | 04/16/1985 |
| 4500463 | Polyprenyl carboxylic acid derivatives Polyprenyl carboxylic acid derivatives having the general formula (I): ##STR1## in which n is an integer of from 2 to 4, R1 represents the hydrogen atom or a protecting group for the carboxylic acid group, and R2 represents a hy... | 02/19/1985 |
| 4487832 | Process for making n-butyl butyrate A novel method for making n-butyl butyrate is disclosed. This method comprises passing a fermentation medium containing solvent-producing cells of C. acetobutylicum through a bed of activated carbon followed by desorbing the n-butyl butyrate from the carb... | 12/11/1984 |
| 4477654 | 3-Hydroxybutyrate polymers High molecular weight copolymers containing 3-hydroxybutyrate residue, i.e. units of the formula and up to 50 mole % of residues of other hydroxy acids, viz units of the formula where n is 0 or an integer and, if n=1 and R2, R3, and R | 10/16/1984 |
| 4451565 | Enzyme-mediated synthesis of esters and lactones In the enzyme-mediated synthesis of an ester or lactone from at least one carboxylic acid of the formula wherein R is a hydrogen atom, or a hydrocarbon radical which has 1 to 21 carbon atoms and which can be optionally substituted by hydroxyl groups or alkoxy ... | 05/29/1984 |
| 4415657 | Process for preparation of an optically active monoalkyl ester of ଲ-(S)-aminoglutaric acid A process is disclosed in which an optically active monoalkyl ester of ଲ-(S)-aminoglutaric acid is prepared by subjecting a dialkyl ester of ଲ-protected aminoglutaric acid to the action of a culture broth, cells, or treated cells of a microorg... | 11/15/1983 |
| 4410629 | ML-236B Derivatives and their preparation Compounds of formula (I): ##STR1## (wherein R represents a group of formula ##STR2## and the corresponding ring-closed lactones, salts (especially alkali metal salts) and esters (especially C1 -C5 alkyl esters) thereof may ... | 10/18/1983 |
| 4358583 | Extraction of poly(ଲ-hydroxy butyric acid) Poly (ଲ-hydroxy butyric acid), PHB, is extracted from a suspension of bacterial cells by causing the cells to flocculate, by pH modification, optionally with heating, and then extracting the PHB from the flocculated cells with a suitable extraction ... | 11/09/1982 |
| 4342767 | Hypocholesteremic fermentation products Substances isolated after cultivation of a microorganism belonging to the genus Aspergillus in a culture medium comprise compounds which have structures: ##STR1## Together with salts and esters of the carboxylic acid, these compounds form a clas... | 08/03/1982 |
| 4319039 | Preparation of ammonium salt of hypocholesteremic fermentation product Substances isolated after cultivation of a microorganism belonging to the genus Aspergillus in a culture medium comprise compounds which have structures: ##STR1## Together with salts and esters of the carboxylic acid, these compounds form a clas... | 03/09/1982 |
| 4313960 | Preparation of concentrated natural vinegar A concentrated natural vinegar with an excellent natural flavor is prepared by treating a product obtained by freeze concentration of natural vinegar with a greater amount of alcohol obtained by natural fermentation than is already present in the natural ... | 02/02/1982 |
| 4294926 | Hypocholesteremic fermentation products and process of preparation Substances isolated after cultivation of a microorganism belonging to the genus Aspergillus in a culture medium comprise a compound designated MSD803 which has the lactone structure: ##STR1## as well as its free hydroxy acid form. Together with salts... | 10/13/1981 |
| 4293648 | Process for esterification of -L-aspartyl-L-phenylalanine A process for selectively esterifying -L-aspartyl-L-phenylalanine to the corresponding alkyl esters using a proteolytic enzyme with specific esterase activity is described. The process is carried out in an aqueous-alcohol medium in which the alcoho... | 10/06/1981 |
| 4284509 | Process for removing oils or petroleum from the surface of the sea After physical removal of the majority of the oil on the surface of the water, the thin film remaining is treated with microbial metabolites which reduce the surface and interface tension and cause the formation of oil agglomerates. These agglomerates may... | 08/18/1981 |
| 4201844 | Process for producing a hydroxyfatty acid ester A process for producing a hydroxyfatty acid polyhydric alcohol ester, which comprises; adding at least one polyhydric alcohol represented by the formula (III) or (IV), ##STR1## wherein R5 represents a hydrogen atom or a methyl group, R | 05/06/1980 |
| 4140741 | Use of cyclic carbonic acid esters as solvents for poly-(ଲ-hydroxybutyric acid) The use of cyclic carbonic acid esters of the formula: ##STR1## wherein R1, R2, R3 and R4, which may be the same or different, are hydrogen or alkyl with 1 to 6 C-atoms, as a solvent for racemic or opticall... | 02/20/1979 |
| 4138289 | Process for the manufacture of tertiary, optically active aliphatic compounds A process for asymmetrically hydrogenating through the use of microorganisms a double bond connected to tertiary carbon atom in an olefinic aliphatic compound to produce a tertiary, optically active aliphatic compound useful as an intermediate for optical... | 02/06/1979 |
| 4138291 | Microbiological methods The invention relates to a method of obtaining selected bacterial strains which can convert an assimilable carbon source selected from carbohydrates, methanol, ethanol, glycerin, carbon dioxide and spent lyes from caprolactam synthesis into poly-(D-3-hydr... | 02/06/1979 |
| 4072569 | Preparation of clavulanic using Streptomyces jumonjinensis Clavulanic acid and its salts may be produced by cultivating a strain of Streptomyces jumonjinensis.... | 02/07/1978 |
| 4032405 | Method for producing cacao butter substitute A method for producing a cacao butter substitute which comprises cultivating a microorganism capable of producing fats and oils rich in 1,3-disaturated-2-unsaturated-triglycerides belonging to the genus Endomyces, Rhodotorula, Lipomyces or Rhodosporidium,... | 06/28/1977 |
| 4008125 | New cyclopentene-diols and new acyl esters thereof and process for their preparation New optically active cyclopentene-diol and the mono- or diacyl esters thereof and a process for converting a diacyl ester of cyclopent-1-en-3,5-diol to its monoacyl ester and/or its diol which comprises subjecting a diacyl ester of cyclopent-1-en-3,5-diol... | 02/15/1977 |
