Number | Name | Date | Kind |
---|---|---|---|
2970063 | Jordan et al. | Jan 1961 | |
3122203 | Hawkins | Feb 1964 | |
4003838 | Jackson et al. | Jan 1977 | |
4046197 | Gruesbeck et al. | Sep 1977 | |
4304677 | Stauffer et al. | Dec 1981 | |
4330414 | Hoover | May 1982 |
Number | Date | Country |
---|---|---|
926532 | May 1973 | CAX |
2000799 | Jan 1979 | GBX |
Entry |
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"K8D30--A Fine-Mesh Biopolymer for Liquid Viscosifiers" Published by Kelco, Division of Merck & Co., Inc. 4-1979. |