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1. (WO2006014718) PROCESS FOR PREPARING POLYBENZAZOLE FIBERS BY REMOVING POLYPHOSPHORIC ACID
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2006/014718    International Application No.:    PCT/US2005/025717
Publication Date: 09.02.2006 International Filing Date: 20.07.2005
Chapter 2 Demand Filed:    19.05.2006    
IPC:
D01F 6/74 (2006.01)
Applicants: E.I. DUPONT DE NEMOURS AND COMPANY [US/US]; 1007 MARKET STREET, WILMINGTON, Delaware 19898 (US) (For All Designated States Except US).
LEE, Kiu-Seung [US/US]; (US) (For US Only)
Inventors: LEE, Kiu-Seung; (US)
Agent: GRIFFITHS, John, E.; E. I. DU PONT DE NEMOURS AND COMPANY, LEGAL PATENT RECORDS CENTER, 4417 Lancaster Pike, Wilmington, Delaware 19805 (US)
Priority Data:
10/896,790 22.07.2004 US
Title (EN) PROCESS FOR PREPARING POLYBENZAZOLE FIBERS BY REMOVING POLYPHOSPHORIC ACID
(FR) PROCESSUS POUR PRÉPARER DES FIBRES DE POLYBENZAZOLE EN RETIRANT L'ACIDE POLYPHOSPHORIQUE
Abstract: front page image
(EN)The present invention relates to polybenzazaole (PBZ) fibers and processes for removing polyphosphoric acid from a polybenzazole dope filament. The invention further relates to yarns, fabrics, and articles incorporating fibers of this invention, and processes for making such yarns, fabrics, and articles.
(FR)La présente invention a trait à des fibres de polybenzazole (PBZ) et à des processus pour retirer l'acide polyphosphorique d'un filament de polybenzazole. L'invention a également trait aux fils, tissus et articles comprenant des fibres de cette invention et aux processus de fabrication de ces fils, tissus et articles.
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, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, 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, 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)