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1. (WO2010077937) REDUCTION OF WHITENING OF POLY(TRIMETHYLENE TEREPHTHALATE) PARTS BY SOLVENT EXPOSURE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/077937 International Application No.: PCT/US2009/068241
Publication Date: 08.07.2010 International Filing Date: 16.12.2009
IPC:
C08J 7/02 (2006.01) ,B05D 7/02 (2006.01) ,C08G 63/183 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
7
Chemical treatment or coating of shaped articles made of macromolecular substances
02
with solvents, e.g. swelling agents
B PERFORMING OPERATIONS; TRANSPORTING
05
SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
7
Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
02
to macromolecular substances, e.g. rubber
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
12
derived from polycarboxylic acids and polyhydroxy compounds
16
Dicarboxylic acids and dihydroxy compounds
18
the acids or hydroxy compounds containing carbocyclic rings
181
Acids containing aromatic rings
183
Terephthalic acids
Applicants:
E. I. du Pont de Nemours and Company [US/US]; 1007 Market Street Wilmington, Delaware 19898, US (AllExceptUS)
DOBRICK, Brett, Collin [US/US]; US (UsOnly)
MESSMORE, Benjamin, Weaver [US/US]; US (UsOnly)
Inventors:
DOBRICK, Brett, Collin; US
MESSMORE, Benjamin, Weaver; US
Agent:
SANTOPIETRO, Lois, A.; E. I. du Pont de Nemours and Company Legal Patent Records Center 4417 Lancaster Pike Wilmington, Delaware 19805, US
Priority Data:
61/138,30717.12.2008US
Title (EN) REDUCTION OF WHITENING OF POLY(TRIMETHYLENE TEREPHTHALATE) PARTS BY SOLVENT EXPOSURE
(FR) RÉDUCTION DU BLANCHIMENT DE PIÈCES DE POLY(TÉRÉPHTALATE DE TRIMÉTHYLÈNE) PAR EXPOSITION À UN SOLVANT
Abstract:
(EN) This invention relates to a process for producing non-whitening molded parts of poly(trimethylene terephthalate) (PTT) with reduced whitening after an elevated temperature aging test by exposing the parts to solvents.
(FR) Cette invention concerne un procédé de fabrication de parties moulées sans traces blanches de poly(téréphtalate de triméthylène) (PPT) avec un blanchiment réduit après un essai de vieillissement à température élevée par exposition des pièces à des solvants.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, 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, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, 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)