B01J31/0204

METHOD FOR PRODUCING GOLD NANOPARTICLES IN PLANTS AND GOLD NANOPARTICLES PRODUCED
20180002189 · 2018-01-04 ·

The present invention relates to the field of nanotechnology, more specifically to the production of gold nanoparticles (AuNPs) from plant extracts derived from leaves, stems, seeds, flowers, fruits or latex from plant species such as Colliguaja salicifolia, Pittosporum Undulatum, Acca sellowiana, Ugni molinae and Colliguaja integerrima, in which naturally occurring biocatalysts are possessed by these plants. The invention also relates to the gold nanoparticles obtained from said plants as well as to said natural biocatalysts.

ASYMMETRIC SYNTHESIS OF FUNAPIDE

This invention is directed to asymmetric synthesis of funapide, which is useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.

Supported catalyst system

A nano platelet gibbsite treated with compound of formula (OR.sup.a).sub.3Si—R.sup.b or of formula R.sup.c—COOH wherein R.sup.a equal to or different from each other is a C.sub.1-C.sub.10 alkyl radical; R.sup.b is a C.sub.5-C.sub.30 hydrocarbon radical and R.sup.c is a C.sub.5-C.sub.30 hydrocarbon radical is used as a catalyst support.

ETHYLENE OLIGOMERIZATION PROCESSES
20220380274 · 2022-12-01 ·

Process for producing alpha olefins comprising contacting ethylene, a zirconium based catalyst system comprising, a hydrocarbylmetal compound, a chain transfer agent, and optionally an organic reaction medium. Chain transfer agents which can be utilized include a) hydrogen, b) a compound comprising a hydrogen silicon bond, a compound having a hydrogen sulfur bond, a compound having a hydrogen phosphorus bond, or c) a transition metal compound chain transfer agent.

Hydroprocessing catalyst having an organic additive with overlaid metals and method of making and using such catalyst

A highly active hydroprocessing catalyst that comprises a doped support impregnated with at lease one hydrogenation metal component and filled with an organic additive blend. The catalyst is made by providing a doped support particle followed by impregnating the doped support particle with a metal impregnation solution to provide a metal-impregnated doped support particle. The metal-impregnated doped support particle is dried but not calcined and impregnated with an organic additive blend component.

MONONUCLEAR TRANSITION METAL COMPLEXES AND PHOTOCATALYSTS FOR CARBON DIOXIDE REDUCTION INCLUDING THE SAME
20220370995 · 2022-11-24 · ·

The present application provides a mononuclear transition metal complex, a photocatalyst for carbon dioxide reduction including same, and a method for reducing carbon dioxide to formic acid, the method comprising using the photocatalyst for carbon dioxide reduction.

SYNTHESIS OF DEUTERATED ALDEHYDES
20220356139 · 2022-11-10 ·

Described are methods for preparing a deuterated aldehyde using N-heterocyclic carbene catalysts in a solvent comprising D.sub.2O. The methods may be used to convert a wide variety of aldehydes (e.g., aryl, alkyl, or alkenyl aldehydes) to C-1 deuterated aldehydes under mild reaction conditions without functionality manipulation.

ETHYLENE OLIGOMERIZATION PROCESSES
20230093448 · 2023-03-23 ·

Process for producing alpha olefins comprising contacting ethylene, a zirconium based catalyst system comprising, a hydrocarbylmetal compound, a chain transfer agent, and optionally an organic reaction medium. Chain transfer agents which can be utilized include a) hydrogen, b) a compound comprising a hydrogen silicon bond, a compound having a hydrogen sulfur bond, a compound having a hydrogen phosphorus bond, or c) a transition metal compound chain transfer agent.

DEPOLYMERIZATION OF POLYMERS WITH ESTER, ETHER AND CARBONATE LINKAGES USING ACIDIC IONIC LIQUID (AIL) CATALYST
20230078491 · 2023-03-16 ·

The present invention provides an effective and selective process for the depolymerization of polyethylene terephthalate (PET), polyethylene furanoate (PEF), polylactic acid, polycarbonates, polyethers and polyamides into pure and high yielding valorized products by combining the glycolysis-hydrolysis reactions using a homogeneous acidic ionic liquid (AIL) catalyst, resulting in excellent polymer conversion.

Catalyst components for propylene polymerization

A process of preparing a solid catalyst component for the production of polypropylene includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound during or after the dissolving step; c) treating the homogenous solution with a first titanium compound in the presence of a first non-phthalate electron donor, and an organosilicon compound, to form a solid precipitate; and d) treating the solid precipitate with a second titanium compound in the presence of a second non-phthalate electron donor to form the solid catalyst component, where the process is free of carboxylic acids and anhydrides.