Abstract: Novel fungicide compositions prepared from neem seeds are disclosed. Two distinct neem derived fungicides obtained non-polar, hydrophobic solvent neem seed extracts which are substantially free of azadirachtin, by removing the hydrophobic solvent and cooling the resulting neem oil to separate a semi-solid neem wax fraction and a clarified neem oil fraction.

Abstract: A novel insecticide derived from a neem seed extract comprising neem oil which is substantially free of azadirachtin, said neem oil being prepared by extracting dried, coarsely ground neem seeds with a non-polar, hydrophobic solvent to obtain a neem oil extract, and then removing the solvent to obtain the neem oil. These neem oil insecticides exhibit the ability to repel insects from plant surfaces and kill insect pests at various life stages.

Abstract: Novel insecticide compositions prepared from neem seeds are disclosed. Two distinct neem derived insecticides obtained non-polar, hydrophobic solvent neem seed extracts which are substantially free of azadirachtin, by removing the hydrophobic solvent and cooling the resulting neem oil to separate a semi-solid neem wax fraction and a clarified neem oil fraction.

Abstract: A novel method of controlling fungi is disclosed. The method involves contacting the fungi, or a surface to be protected from the fungi, with a neem oil fungicide derived from a neem seed extract. The neem oil is prepared by extracting dried, coarsely ground neem seeds with a non-polar, hydrophobic solvent to obtain a neem oil extract and then removing the solvent to obtain the neem oil.

Abstract: The present invention provides a process, formulations, and method of using novel biopesticides comprised of a prilled formulation comprising a carrier and a pathogenic fungal mycelium.

Abstract: A novel fungicide derived from a neem seed extract comprising neem oil which is substantially free of azadirachtin, said neem oil being prepared by extracting dried, coarsely ground neem seeds with a non-polar, hydrophobic solvent to obtain a neem oil extract, and then removing the solvent to obtain the neem oil. These neem oil fungicides exhibit the ability to control various fungi.

Abstract: Novel fungicide compositions prepared from neem seeds are disclosed. Two distinct neem derived fungicides obtained non-polar, hydrophobic solvent neem seed extracts which are substantially free of azadirachtin, by removing the hydrophobic solvent and cooling the resulting neem oil to separate a semi-solid neem wax fraction and a clarified neem oil fraction.

Abstract: Storage stable pesticide compositions comprising neem seed extracts which contain azadirachtin as the active pesticidal ingredient wherein the compositions are characterized by their non-degrading solvent systems and high concentrations, i.e., greater than 10 g/l, of azadirachtin. In one embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume aprotic solvents and less than 15% by volume water. In a second embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume alcohol and less than 5% by volume water.

Abstract: Storage stable pesticide compositions comprising neem seed extracts which contain azadirachtin as the active pesticidal ingredient wherein the compositions are characterized by their non-degrading solvent systems. In a first embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume aprotic solvents and less than 15% by volume water. In a second embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume alcohol and less than 5% by volume water. The pesticide compositions contain surfactant concentrations of at least about 1.0%, up to 10%.

Abstract: L-Serine derivatives produced by the enzyme catalyzed aldol condensation of glycine and an aldehyde in aqueous solution are recovered in high yield by extracting the aqueous product solution containing said serine derivatives with an organic phase comprising (i) an aldehyde, or (ii) mixtures of an aldehyde and a water immiscible organic solvent, followed by re-extracting the organic phase with an aqueous phase having a pH of less than about 7.0. The L-erythro isomers of L-serine derivatives such as L-phenylserine may be preferentially prepared by the use of this extraction/re-extraction procedure in combination with bioreactor reaction conditions which include a pH of from about 7.5 to 10, an aldehyde concentration of from about 1 to about 90 grams/liter, a glycine concentration of from about 10 to about 300 grams/liter, and a molar ratio of glycine to aldehyde of from about 4:1 to about 100:1.

Abstract: A fungal biocontrol preparation for control or prevention of plant fungal diseases comprises sporulated fungal biomass, a carrier and acid. The carrier preferably is vermiculite. The biocontrol preparation is resistant to bacterial proliferation in storage and handling and is effective in controlling damping-off diseases caused by soilborne fungal pathogens.

Abstract: Storage stable pesticide compositions comprising neem seed extracts which contain azadirachtin as the active pesticidal ingredient wherein the compositions are characterized by their non-degrading solvent systems. In a first embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume aprotic solvents and less than 15% by volume water. In a second embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume alcohol and less than 5% by volume water.

Abstract: A process for the production of stable azadirachtin solutions comprising extracting ground neem seeds with a solvent having azadirachtin solubility to produce an aqueous-containing azadirachtin extract solution and then adding an effective amount of 3-4 Angstrom molecular sieves to selectively remove water from the extract to yield a storage-stable azadirachtin solution having less than 5% water by volume.

Abstract: A process is disclosed for catalyzing the transamination of an amino acid precursor to the corresponding L-amino acid by using aspartic acid as the amino donor and by adding certain multivalent metal ions, in the form of solid metal particles or pieces, to the system to catalyze the decomposition of oxalacetic acid, a by-product of the transamination.

Abstract: A process is disclosed for the separation and recovery of L-phenylalanine from an impure aqueous solution by ultrafiltering and/or centrifuging to remove cellular material and large proteins, contacting the filtered solution with activated carbon to adsorb L-phenylalanine, eluting adsorbed L-phenylalanine, passing the eluate through an ion exchanger, and recovering substantially pure L-phenylalanine from the ion exchange eluate.

Abstract: A pivotal pipe valve unit for concrete supply hoppers having a pair of concrete pumps of the piston-cylinder type which includes a shuttle valve pipe mounted within the hopper for pivoting about a discharge line. The inlet end is spaced slightly from a wear plate which encompasses the cylinder openings to the hopper and is pivoted for alternate alignment with the discharge opening from the pump cylinders. An outer base member is secured to the inlet end and has an annular recess receiving a wear ring. A hydraulic source is coupled to the chamber and creates a pressurized liquid backing of the ring. An annular seal with a metal backing is located to the backside of the ring. An accumulator tank is connected to the hydraulic supply system to firmly hold the ring in sliding sealing engagement with the wear plate with a cushioned type support. The wear ring is slightly thinner than the annular recess and may tilt such that the ring and wear plate sealing surfaces remain parallel.