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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No:
1884/MAS/1998A
(22) Date of filing of Application:20/08/1998 (43) Publication Date: 09/06/2006
(54) Title of the invention:
A BREATHABLE LIQUID BARRIER
COMPOSITE
(51)International classification:A44B 18/00,
A61B 19/08, A61F 13/62, B32B 27/12,
D04H 13/00
(31) Priority Document No.08/929,432
(32) Priority Date:15/09/1997
(33) Name of priority country: USA
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Application No.:
Filed on:
(71) Name of Applicant
KIMBERLY-CLARK WORLDWIDE,
INC.
Address of Applicant:
401 North Lake Street Neenah,
WISCONSIN 54956,
USA
(72) Name of the Inventor(s):
MCCORMACK, Ann, Louise,
HAFFNER, William, Bela;
JACKSON, Wanda, Walton .
(57)Abstract
The present invention relates to a breathable, liquid barrier composite comprising: a prebonded nonwoven
having a pattern of spaced apart bonds with unbonded fibers or filaments between said bonds, a film bonded to said
nonwoven at locations corresponding to said pattern of spaced apart bonds and otherwise substantially unbonded to
said nonwoven, wherein said composite has a moisture vapor transmission rate of at least about 100 g/m2/24 hours
and a hydrohead value of at least about 50 mbar of water.
The Patent Office Journal 09/06/2006 10794