Invention Grant
- Patent Title: Active agent delivery device
- Patent Title (中): 活性剂递送装置
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Application No.: US521626Application Date: 1990-05-10
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Publication No.: US5035886APublication Date: 1991-07-30
- Inventor: Paritosh M. Chakrabarti , Harlan B. Johnson , Malcolm Korach , Dennis D. Leatherman , Robert R. Simmons
- Applicant: Paritosh M. Chakrabarti , Harlan B. Johnson , Malcolm Korach , Dennis D. Leatherman , Robert R. Simmons
- Applicant Address: PA Pittsburgh
- Assignee: PPG Industries, Inc.
- Current Assignee: PPG Industries, Inc.
- Current Assignee Address: PA Pittsburgh
- Main IPC: A01N25/18
- IPC: A01N25/18 ; A41G1/00 ; A61L9/04 ; B29C55/00 ; C08J9/28
Abstract:
An active agent delivery device comprises (a) microporous material comprising a matrix consisting essentially of linear ultrahigh molecular weight polyolefin, a large proportion of finely divided water-insoluble filler of which at least about 50 percent by weight is siliceous, and interconnecting pores; and (b) a releasable active agent or precursor thereof associated with at least a portion of the filler.
Public/Granted literature
- US6139121A Positive drive rubber track Public/Granted day:2000-10-31
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