Number | Date | Country | Kind |
---|---|---|---|
500477 | Jan 1986 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
3872000 | Hamada et al. | Mar 1975 | |
4110208 | Neal | Aug 1978 | |
4450092 | Huang | May 1984 | |
4558080 | Quamme et al. | Dec 1985 |
Number | Date | Country |
---|---|---|
52-9968 | Jan 1977 | JPX |
52-9969 | Jan 1977 | JPX |
52-34547 | Mar 1977 | JPX |
52-59953 | May 1977 | JPX |
52-61356 | May 1977 | JPX |
899721 | Jun 1962 | GBX |
1188394 | Apr 1970 | GBX |
Entry |
---|
Search Report, British Patent Office; for GB Application No. 8,623,459; Nov. 18, 1986; 1 page. |
"Wastewater Treatment Plant Design"; Water Pollution Control Federation/American Society of Civil Engineers; 1977; pp. 159-176, 200. |
"Condensed Tannins for Adhesives"; Antonio Pizzi; 1982; Ind. Eng. Chem. Prod. Res. Dev., vol. 21, No. 3; pp. 359-369. |
"Betz Handbook of Industrial Water Conditioning"; Eighth Edition 1980; pp. 24-31. |