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Rennovia Inc patents


Recent patent applications related to Rennovia Inc. Rennovia Inc is listed as an Agent/Assignee. Note: Rennovia Inc may have other listings under different names/spellings. We're not affiliated with Rennovia Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Rennovia Inc-related inventors


Process for production of hexamethylenediamine from carbohydrate-containing materials and intermediates therefor

Processes are disclosed for the conversion of a carbohydrate source to hexamethylenediamine (hmda) and to intermediates useful for the production of hexamethylenediamine and other industrial chemicals. Hmda is produced by direct reduction of a furfural substrate to 1,6-hexanediol in the presence of hydrogen and a heterogeneous reduction catalyst comprising pt or by indirect reduction of a furfural substrate to 1,6-hexanediol wherein 1,2,6-hexanetriol is produced by reduction of the furfural substrate in the presence of hydrogen and a catalyst comprising pt and 1,2,6-hexanediol is then converted by hydrogenation in the presence of a catalyst comprising pt to 1,6 hexanediol, each process then proceding to the production of hmda by known routes, such as amination of the 1,6 hexanediol. ... Rennovia Inc

Preparation and separation of a di-carboxylic acid-containing mixture

Processes for separating a di-carboxylic acid or salt thereof from a mixture containing the di-carboxylic acid or salt thereof and one or more other components are provided. Also separation media useful for these separation processes is provided. ... Rennovia Inc

Process for production of adipic acid from 1,6-hexanediol

Processes are disclosed for the conversion of 1,6-hexanediol to adipic acid employing a chemocatalytic reaction in which 1,6-hexanediol is reacted with oxygen in the presence of particular heterogeneous catalysts including at least one of platinum or gold. The metals are preferably provided on a support selected from the group of titania, stabilized titania, zirconia, stabilized zirconia, silica or mixtures thereof, most preferably zirconia stabilized with tungsten. ... Rennovia Inc

Shaped porous carbon products

Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. ... Rennovia Inc

Conversion of fructose-containing feedstocks to hmf-containing product

The present invention relates generally to processes for converting fructose-containing feedstocks to a product comprising 5-(hydroxymethyl)furfural (hmf) and water in the presence of water, solvent and an acid catalyst. In some embodiments, the conversion of fructose to hmf is controlled at a partial conversion endpoint characterized by a yield of hmf from fructose that does not exceed about 80 mol %. ... Rennovia Inc

Production of adipic acid and derivatives from carbohydrate-containing materials

The present invention generally relates to processes for the chemocatalytic conversion of a glucose source to an adipic acid product. The present invention includes processes for the conversion of glucose to an adipic acid product via glucaric acid or derivatives thereof. ... Rennovia Inc

Porous shaped metal-carbon products

The present invention provides a porous metal-containing carbon-based material that is stable at high temperatures under aqueous conditions. The porous metal-containing carbon-based materials are particularly useful in catalytic applications. ... Rennovia Inc

Porous shaped carbon products

Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. ... Rennovia Inc

Process for production of hexamethylenediamine from carbohydrate-containing materials and intermediates therefor

Processes are disclosed for the conversion of a carbohydrate source to hexamethylenediamine (hmda) and to intermediates useful for the production of hexamethylenediamine and other industrial chemicals. Hmda is produced by direct reduction of a furfural substrate to 1,6-hexanediol in the presence of hydrogen and a heterogeneous reduction catalyst comprising pt or by indirect reduction of a furfural substrate to 1,6-hexanediol wherein 1,2,6-hexanetriol is produced by reduction of the furfural substrate in the presence of hydrogen and a catalyst comprising pt and 1,2,6-hexanediol is then converted by hydrogenation in the presence of a catalyst comprising pt to 1,6 hexanediol, each process then proceding to the production of hmda by known routes, such as amination of the 1,6 hexanediol. ... Rennovia Inc

Processes for the manufacturing of oxidation catalysts

Disclosed are catalysts comprised of platinum and gold. The catalysts are generally useful for the selective oxidation of compositions comprised of a primary alcohol group and at least one secondary alcohol group wherein at least the primary alcohol group is converted to a carboxyl group. ... Rennovia Inc

Conversion of fructose-containing feedstocks to hmf-containing product

The present invention relates generally to processes for converting fructose-containing feedstocks to a product comprising 5-(hydroxymethyl)furfural (hmf) and water in the presence of water, solvent and an acid catalyst. In some embodiments, the conversion of fructose to hmf is controlled at a partial conversion endpoint characterized by a yield of hmf from fructose that does not exceed about 80 mol %. ... Rennovia Inc








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