Number | Name | Date | Kind |
---|---|---|---|
3278457 | Milgrom | Oct 1966 | |
3278458 | Belner | Oct 1966 | |
3404109 | Milgrom | Oct 1968 | |
3427256 | Milgrom | Feb 1969 | |
3442876 | Herold | May 1969 | |
3538043 | Herold | Nov 1970 | |
3829505 | Herold | Aug 1974 | |
3900518 | Milgrom | Aug 1975 | |
3941849 | Herold | Mar 1976 | |
4472560 | Kuyper | Sep 1984 | |
4477589 | van der Hulst | Oct 1984 | |
5145883 | Saito et al. | Sep 1992 | |
5158922 | Hinney et al. | Oct 1992 | |
5223583 | Higuchi et al. | Jun 1993 | |
5470813 | Le-Khac | Nov 1995 | |
5482908 | Le-Khac | Jan 1996 | |
5545601 | Le-Khac | Aug 1996 | |
5714428 | Le-Khac | Feb 1998 |
Number | Date | Country |
---|---|---|
3-128930 | May 1991 | JPX |
Entry |
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J.L. Schuchardt et al., "Preparation of High Molecular Weight Polyols Using Double Metal Cyanide Catalysts", 32 Annual Polyurethane Technical Marketing Conference, Oct. 1-4, 1989, pp. 360-364. |