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1. (WO2004101468) HYDROGENATION OF CHEMICALLY DERIVED 1,3-PROPANEDIOL
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/101468    International Application No.:    PCT/US2004/014040
Publication Date: 25.11.2004 International Filing Date: 05.05.2004
IPC:
C07C 29/80 (2006.01), C07C 29/90 (2006.01)
Applicants: E.I. DUPONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street, Wilmington, DE 19898 (US) (For All Designated States Except US).
SUNKARA, Hari, Babu [US/US]; (US) (For US Only).
SEAPAN, Mayis [US/US]; (US) (For US Only).
DIFFENDALL, George, Francis [US/US]; (US) (For US Only).
AMES, Tyler, Thomas [US/US]; (US) (For US Only)
Inventors: SUNKARA, Hari, Babu; (US).
SEAPAN, Mayis; (US).
DIFFENDALL, George, Francis; (US).
AMES, Tyler, Thomas; (US)
Agent: KULLER, Mark, D.; E. I. Dupont De Nemours And Company, Legal Patent Records Center, 4417 Lancaster Pike, Wilmington, DE 19805 (US)
Priority Data:
60/468,223 06.05.2003 US
10/634,666 05.08.2003 US
Title (EN) HYDROGENATION OF CHEMICALLY DERIVED 1,3-PROPANEDIOL
(FR) HYDROGENATION DE 1,3-PROPANEDIOL DERIVE CHIMIQUEMENT
Abstract: front page image
(EN)Disclosed is a process comprising contacting chemical 1,3-propanediol with hydrogen in the presence of a hydrogenation catalyst. Preferably, the chemical 1,3-propanediol, before the contacting has an initial color and, after the contacting, has a color that is lower than the initial color.
(FR)L'invention concerne un procédé consistant à mettre en contact du 1,3-propanediol chimique avec de l'hydrogène en présence d'un catalyseur d'hydrogénation. De préférence, le 1,3-propanediol chimique, présente, avant contact, une couleur initiale et, après contact, il présente une couleur plus claire que la couleur initiale.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)