Number | Name | Date | Kind |
---|---|---|---|
2398253 | Rogers et al. | Apr 1946 | |
2655544 | McNulty et al. | Oct 1953 | |
2671117 | Kluge et al. | Mar 1954 | |
2986588 | Schramm | May 1961 | |
4144138 | Rao et al. | Mar 1979 | |
4152499 | Boerzel et al. | May 1979 | |
4238628 | Cahill et al. | Dec 1980 | |
4322220 | Machleder et al. | Mar 1982 | |
4822921 | Knifton et al. | Apr 1989 | |
5300701 | Cherpeck | Apr 1994 | |
5334775 | Gutierrez et al. | Aug 1994 |
Number | Date | Country |
---|---|---|
1159368 | Jul 1969 | GB |
Entry |
---|
Rohm and Haas Company, Amberlyst Polymeric Catalysts Brochure entitled: Summary of Typical Properties and Applications, 1992. |