(12) International Application Status Report

Received at International Bureau: 28 September 2001 (28.09.2001)

Information valid as of: Not available

Report generated on: 28 September 2021 (28.09.2021)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2002/01813707 March 2002 (07.03.2002) English (EN)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/US2001/02741904 September 2001 (04.09.2001) English (EN)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
60/229,945 (US)01 September 2000 (01.09.2000) Priority document received (in compliance with PCT Rule 17.1)
09/942,405 (US)30 August 2001 (30.08.2001) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
A61F 13/15 (2006.01); B32B 27/12 (2006.01); D04H 13/00 (2006.01)

(71) Applicant(s):
E. I. DU PONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street Wilmington, DE 19898 (US) (for all designated states)

(72) Inventor(s):
HUFFINES, Prentice, Lee; 114 Fields Drive Old Hickory, TN 37138 (US)
LIM, Hyun, Sung; 2800 Aylesford Drive Midlothian, VA 23113 (US)
MARTIN, Oscar, L., Jr.; 1112 Andrew Donelson Drive Hermitage, TN 37076 (US)
SUH, Hageun; 6 Sharonwood Drive Nashville, TN 37215 (US)

(74) Agent(s):
STEINBERG, Thomas, W.; E. I. Du Pont de Nemours and Company Legal Patent Records Center 1007 Market Street Wilmington, DE 19898 (US)

(54) Title (EN): COMPOSITE SHEET MATERIAL
(54) Title (FR): MATERIAU COMPOSITE EN FEUILLE

(57) Abstract:
(EN): A moisture vapor permeable, substantially liquid impermeable composite sheet material comprising a moisture vapor permeable monolithic polymeric film having a first side and a second side, a first nonwoven layer comprising a moisture vapor permeable powder-bonded nonwoven layer, said powder-bonded layer comprising a nonwoven web of fibers, wherein greater than 95 weight percent of the fibers in the nonwoven web are compatible with said polymeric film, said first nonwoven layer being adhered to the first side of the polymeric film by extrusion of said film onto said first nonwoven layer, and an optional second moisture vapor permeable nonwoven layer adhered to the second side of the film.
(FR): Matériau composite en feuille, perméable à la vapeur et l'humidité et sensiblement imperméable aux liquides, qui comprend un film polymère monolithe perméable à la vapeur et l'humidité qui possède un premier et un deuxième côtés, une première couche non tissée comprenant une couche non tissée perméable à la vapeur et l'humidité et liée par poudre, ladite couche liée par poudre comprenant un tissu de fibres non tissées dans lequel plus de 95 % en poids des fibres dans le tissu non tissé sont compatibles avec ce film polymère, ladite première couche non-tissée étant collée au premier côté du film polymère par l'extrusion dudit film sur la première couche non tissée, et éventuellement une deuxième couche non tissée, perméable à la vapeur et l'humidité, collée au deuxième côté du film.

International search report:
Received at International Bureau: 02 January 2002 (02.01.2002) [EP]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) Designated States:
AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, 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, NO, NZ, PH, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW
European Patent Office (EPO) : AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, TR
African Intellectual Property Organization (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG
African Regional Intellectual Property Organization (ARIPO) : GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW
Eurasian Patent Organization (EAPO) : AM, AZ, BY, KG, KZ, MD, RU, TJ, TM