Number | Date | Country | Kind |
---|---|---|---|
44 42 606.2 | Nov 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2461139 | Caldwell | Feb 1949 | |
4002173 | Manning et al. | Jan 1977 | |
4129722 | Iovine et al. | Dec 1978 |
Number | Date | Country |
---|---|---|
25 33 005 | Feb 1976 | DDX |
63035644 | Nov 1981 | JPX |
56-152806 | Nov 1981 | JPX |
56-155203 | Dec 1981 | JPX |
631 085 | Jul 1982 | CHX |
Entry |
---|
JP-A-56 155 203, "Carboxyl Contain Polymer Preparation React Carboxylic Acid Anhydride Hydroxyl Contain Polymer Presence Water Absence Water", Derwent Publications Ltd., Dec. 1981. |