Record Receiver Having Plural Interactive Leaves Or A Colorless Color Former, Method Of Use, Or Developer Therefor Patents (Class 503)
- Method of use, kit, or combined with marking instrument or organ (Class 503/201)
- Color developed by mere decomposition of color-former (Class 503/202)
- Duplicating master (Class 503/203)
- Plural colors or plural diverse systems (Class 503/204)
- Having a color desensitizer (Class 503/205)
- Component noncoextensive with substrate (Class 503/206)
- Having nonreactant particles of defined size (Class 503/207)
- Having constituent defined in terms of melting temperature (Class 503/208)
- Having nonchromogenic liquid spread-control or transfer-improving agent or component, color modifier, stabilizer or preservative (Class 503/209)
- Heavy metal reactant (Class 503/210)
- Identified solvent or dispersant for color-former, other than mere mineral oil (Class 503/213)
- Identified reactant isolating material or capsule wall material or binder resin (Class 503/214)
- Identified organic electron acceptor (developer) other than phenolic resin (Class 503/216)
- Identified color-former (Class 503/218)
- Identified electron acceptor (developer) (Class 503/225)
- Spatial relationship specified between color-former and developer (Class 503/226)
