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1. (WO2007008888) METHOD OF MAKING AROMATIC DIHYDROXY DIACID DIHALIDES AND PRECIPITATES RESULTING THEREFROM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/008888 International Application No.: PCT/US2006/026873
Publication Date: 18.01.2007 International Filing Date: 12.07.2006
IPC:
C07C 51/60 (2006.01) ,C07C 65/03 (2006.01) ,C07C 65/11 (2006.01) ,C08G 63/60 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
51
Preparation of carboxylic acids or their salts, halides, or anhydrides
58
Preparation of carboxylic acid halides
60
by conversion of carboxylic acids or their anhydrides into halides with the same carboxylic acid part
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
65
Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings and containing any of the groups OH, O-metal, -CHO, keto, ether, groups, groups, or groups
01
containing hydroxy or O-metal groups
03
monocyclic and having all hydroxy or O-metal groups bound to the ring
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
65
Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings and containing any of the groups OH, O-metal, -CHO, keto, ether, groups, groups, or groups
01
containing hydroxy or O-metal groups
105
polycyclic
11
with carboxyl groups on a condensed ring system containing two rings
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
02
Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds
60
derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
Applicants:
E. I. DU PONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street Wilmington, DE 19898, US (AllExceptUS)
LEE, Kiu-Seung [US/US]; US (UsOnly)
Inventors:
LEE, Kiu-Seung; US
Agent:
GOLIAN, Andrew, G.; E. I. du Pont de Nemours and Company Legal Patent Records Center 4417 Lancaster Pike Wilmington, DE 19805, US
Priority Data:
11/180,24113.07.2005US
Title (EN) METHOD OF MAKING AROMATIC DIHYDROXY DIACID DIHALIDES AND PRECIPITATES RESULTING THEREFROM
(FR) PROCEDE DE PRODUCTION DE DIHALOGENURES DE DIACIDE DIHYDROXY AROMATIQUE ET PRECIPITES RESULTANT DE CES DERNIERS
Abstract:
(EN) A method of making an aromatic dihydroxy diacid dihalide comprises forming a solution of an aromatic dihydroxy diacid in a solvent, contacting the aromatic dihydroxy diacid solution with a halogenating agent; heating the solution under an inert atmosphere to convert from 50 and 100 percent of the aromatic dihydroxy diacid to aromatic dihydroxy diacid dihalide, wherein the time required for the conversion is less than 4 hours, and removing at least a portion of the solvent.
(FR) L'invention concerne un procédé de production d'un dihalogénure de diacide dihydroxy aromatique consistant à former une solution d'un diacide dihydroxy aromatique dans un solvant, à mettre en contact la solution de diacide dihydroxy aromatique avec un agent d'halogénation, à chauffer la solution sous une atmosphère inerte pour transformer 50 à 100 % du diacide dihydroxy aromatique en dihalogénure de diacide dihydroxy aromatique, le temps nécessaire à la transformation étant inférieur à 4 heures, puis à retirer au moins une partie du solvant.
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, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (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, IS, IT, LT, LU, LV, 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)
Also published as:
MXMX/a/2008/000398KR1020080037019EP1931617BRPI0613293-6JP2009501227US20070015903
CN101258124CA2614739