Number | Name | Date | Kind |
---|---|---|---|
4226858 | Pfirrmann et al. | Oct 1980 | A |
4645668 | Pinnell | Feb 1987 | A |
5128375 | Tanaka et al. | Jul 1992 | A |
5534246 | Herb et al. | Jul 1996 | A |
5552162 | Lee | Sep 1996 | A |
5702694 | Chamness | Dec 1997 | A |
5874074 | Smith | Feb 1999 | A |
5885581 | Massand | Mar 1999 | A |
5891076 | Fabo | Apr 1999 | A |
5895656 | Hirshowitz et al. | Apr 1999 | A |
5919476 | Fischer et al. | Jul 1999 | A |
Number | Date | Country |
---|---|---|
BR 970684 | Oct 1999 | PT |
SU 1540830 | Feb 1990 | RU |
Entry |
---|
“The Merck Index” Published by Merck Research Labs., Div. of Merck —Co., Inc., 1996, pp. 420-421. |