Patents           

Issued

2.       “Water-wettable chromatographic media for solid phase extraction”
US Patent No. 6,468,422

10/22/2002

3.       “Water-wettable chromatographic media for solid phase extraction”
US Patent No. 6,254,780

07/03/2001

4.       “Water-wettable chromatographic media for solid phase extraction”
US Patent No. 6,106,721

08/22/2000

5.       “Absorbent structure comprising superabsorbent , staple fiber, and binder fiber”
US patent No. 6,046,377

04/04/2000

6.       “Water-wettable chromatographic media for solid phase extraction”
US Patent No. 5,976,367

11/02/1999

7.       “Water-wettable chromatographic media for solid phase extraction”
US Patent No. 5,882,521

03/16/1999

8.       “Interlabial Sanitary Pad”
US Patent No. 5,484,429

01/16/1996

9.       “Nonwoven webs containing shaped fibers”
US Patent No. 5,458,963

10/17/1995

10.       “Nonwoven fabric having durable wettability”
US Patent No. 5,439,734

08/08/1995

11.   “Absorbent structure for masking and distributing a liquid”
US Patent No. 5,342,336

08/30/1994

12.   “Nonwoven web containing shaped fibers”
US Patent No. 5,314,743

05/24/1994

13.   “Polyolefin articles”
US Patent No. 5,258,221

11/02/1993

14.   “Method of making polyolefin articles”
US Patent No. 5,200,130

04/06/1993

15.   “Polyester articles”
US Patent No. 5,175,050

12/29/1992

16.   “Method of Providing a Polyester article with a hydrophilic surface”
US Patent No. 5,130,073

07/14/1992

17.   “Enhanced soil removal from paper machine forming fabrics”
US Patent No. 4,822,454

04/18/1989