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Jean-luc Dubois
Jean Luc Dubois: Manufacture of maleic anhydride from renewable materials, maleic anhydride obtained, and uses thereof. Arkema France, January 19, 2012: US20120015411-A1

The present application relates to a process for manufacturing maleic anhydride that comprising the following steps: a) fermentation of renewable raw materials and optionally purification to produce a mixture comprising at least butanol; b) oxidation of the butanol to maleic anhydride at a temperatu ...


2
Kitson Melanie, Williams Peter Sefton: The catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters.. British Petroleum Co, Bp Chem Int, October 5, 1988: EP0285420-A1 (115 worldwide citation)

An alcohol and/or a carboxylic acid ester is produced from a carboxylic acid or anhydride thereof by reacting the acid or anhydride with hydrogen at elevated temperature in the presence as catalyst of a composition comprising an alloy of (i) at least one noble metal of Group VIII of the Periodic Tab ...


3
Melinda A Mabry, William W Prichard, Stanislaw B Ziemecki: Process for making tetrahydrofuran and 1,4-butanediol using Pd/Re hydrogenation catalyst. E I Du Pont de Nemours and Company, James A Costello, October 29, 1985: US04550185 (99 worldwide citation)

Palladium/rhenium-on-carbon catalyst; a method employing said catalyst to produce tetrahydrofuran, 1,4-butanediol or mixtures thereof in selectable ratios from a number of starting reactants; and a method for making the Pd/Re/C catalyst.


4
Franz Josef Broecker, Matthias Schwarzmann: Manufacture of butanediol and/or tetrahydrofuran from maleic and/or succinic anhydride via .gamma.- butyrolactone. BASF Aktiengesellschaft, Keil Thompson & Shurtleff, September 13, 1977: US04048196 (83 worldwide citation)

A process for the manufacture of 1,4-butanediol and/or tetrahydrofuran, wherein maleic acid or succinic acid is used as the starting material, butyrolactone is produced in defined stages and is hydrogenated to butanediol or tetrahydrofuran, and the by-products formed are in each case recycled to the ...


5
Frederick A Pesa, Anne M Graham: Process for the manufacture of 1-4-butanediol and tetrahydrofuran. Standard Oil Company, Gary R Plotecher, Herbert D Knudsen, Larry W Evans, November 17, 1981: US04301077 (73 worldwide citation)

Oxygenated C.sub.4 hydrocarbons, such as maleic anhydride, are hydrogenated to tetrahydrofuran and/or 1,4-butanediol by a process comprising contacting the hydrocarbon with hydrogen at hydrogenation conditions in the presence of less than 25 wt. % water, based on the weight of the hydrocarbon, and a ...


6
Scott L Dax, Timothy W Lovenberg, James McNally, Allen B Reitz, Mark A Youngman: N-substituted aminotetralins as ligands for the neuropeptide Y Y5 receptor useful in the treatment of obesity and other disorders. Ortho McNeil Pharmaceutical, Ralph R Palo, October 31, 2000: US06140354 (52 worldwide citation)

.beta.-Aminotetralin derivatives of the formula: ##STR1## which are ligands for the neuropeptide Y Y5 (NPY5) receptor, methods of preparation and pharmaceutical compositions containing a .beta.-aminotetralin derivative as the active ingredient are described. The .beta.-aminotetralins are useful in t ...


7
Daniel Campos, Gregg Mason Sisler: Platinum-rhenium-tin catalyst for hydrogenation in aqueous solution. E I du Pont de Nemours and Company, December 30, 2003: US06670490 (41 worldwide citation)

An improved catalyst of platinum, rhenium and tin with an inert support used for hydrogenation of an hydrogenatable precursor in an aqueous solution and a method for using the catalyst in the production of tetrahydrofuran and 1,4-butanediol from such a hydrogenatable precursor in an aqueous solution ...


8
Levitt George: Herbicidal ureas, preparation, compositions and use thereof.. Du Pont, June 10, 1981: EP0030142-A2 (36 worldwide citation)

Ureas and isoureas of the formula wherein W min is O or S A min is H, Cl, Br, alkyl, OCH3, NO2 or CF3; A is a wide variety of ester or thioester groups or derivatives thereof; where R4 is H or CH3 R5 is H, CH3 or OCH3 W is O or S R is alkyl or alkenyl; and R1 is a pyrimidyl or triazinyl moiety which ...


9
Biftu Tesfaye, Hwang San Bao, Doebber Thomas W, Beattie Thomas R, Shen Tsung Ying: New 2,5-diaryl tetryhydrofurans and analogs thereof as paf antagonists.. Merck & Co, October 29, 1986: EP0199324-A2 (32 worldwide citation)

Compounds of formula: are disclosed wherein R and R are (a) hydrogen; (b) haloloweralkyl; (c) halo; (d) CONRR wherein R and R independently represent hydrogen, C1-8 alkyl, or C3-8 cycloalkyl; (e) loweralkenyl; (f) -COR; (g) -CH2OR; (h) loweralkynyl; (i) -CH2NRR; (j) -CH2SR; (k) =O; or (l) -OR; (m) - ...


10
Richard E Ernst: Process for preparing a mixture of tetrahydrofuran and 3-alkyl tetrahydrofuran and copolymers thereof. E I Du Pont de Nemours and Company, May 20, 1986: US04590285 (28 worldwide citation)

A mixture of 1,4-butanediol and 2-alkyl-1,4-butanediol is produced by catalytic hydrogenation and reaction with an aldehyde. Such mixture is cyclized to a mixture of tetrahydrofuran and 3-alkyl tetrahydrofuran. Copolymers can then be made from such mixtures of furans.