Number | Name | Date | Kind |
---|---|---|---|
3246061 | Blatz | Apr 1966 | A |
3268627 | Emrick | Aug 1966 | A |
4335225 | Collette et al. | Jun 1982 | A |
4794096 | Ewen | Dec 1988 | A |
4892851 | Ewen et al. | Jan 1990 | A |
5132381 | Winter et al. | Jul 1992 | A |
5216095 | Dolle et al. | Jun 1993 | A |
5269807 | Liu | Dec 1993 | A |
5395810 | Shamshoum et al. | Mar 1995 | A |
5603696 | Williams et al. | Feb 1997 | A |
5714256 | DeLucia et al. | Feb 1998 | A |
5804524 | Reddy et al. | Sep 1998 | A |
6207093 | Hanyu et al. | Mar 2001 | B1 |
Number | Date | Country |
---|---|---|
0536104 | Apr 1993 | EP |
3-81356 | Apr 1991 | JP |
Entry |
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The American Heritage Dictionary, 2nd College Ed., Houghton Mifflin Co., Boston (1982).* |
Ency. of Chem. Tech. -Kirk Othmer- vol. 16-pp. 456-457 (1991). |