![]() Electronic File Wrappers | ![]() Electronic Patent Documents | ![]() Paper Patent Documents | Current as of: June, 1999
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| DF | CLASS NOTES | |
| 200 | DF | HAVING A COLORLESS COLOR-FORMER, DEVELOPER THEREFOR, OR METHOD OF USE |
| 201 | DF | .~ Method of use, kit, or combined with marking instrument or organ |
| 202 | DF | .~ Color developed by mere decomposition of color-former |
| 203 | DF | .~ Duplicating master |
| 204 | DF | .~ Plural colors or plural diverse systems |
| 205 | DF | .~ Having a color desensitizer |
| 206 | DF | .~ Component noncoextensive with substrate |
| 207 | DF | .~ Having nonreactant particles of defined size |
| 208 | DF | .~ Having constituent defined in terms of melting temperature |
| 209 | DF | .~ Having nonchromogenic liquid spread-control or transfer-improving agent or component, color modifier, stabilizer or preservative |
| 210 | DF | .~ Heavy metal reactant |
| 211 | DF | .~.~ Metal of atomic number 22-30 |
| 212 | DF | .~.~.~ Zinc |
| 213 | DF | .~ Identified solvent or dispersant for color-former, other than mere mineral oil |
| 214 | DF | .~ Identified reactant isolating material or capsule wall material or binder resin |
| 215 | DF | .~.~ Synthetic resin capsule walls |
| 216 | DF | .~ Identified organic electron acceptor (developer) other than phenolic resin |
| 217 | DF | .~.~ And identified color-former |
| 218 | DF | .~ Identified color-former |
| 219 | DF | .~.~ And identified inorganic electron acceptor (developer), other than mere clay |
| 220 | DF | .~.~ Furanone moiety-containing |
| 221 | DF | .~.~.~ Fluoran or derivative |
| 222 | DF | .~.~.~.~ Molecule having plural fluorans or more than three rings fused together |
| 223 | DF | .~.~ Azole moiety-containing |
| 224 | DF | .~.~ Polyphenylmethane moiety-containing |
| 225 | DF | .~ Identified electron acceptor (developer) |
| 226 | DF | .~ Spatial relationship specified between color-former and developer |
| 227 | DF | HAVING PLURAL INTERACTIVE LEAVES |