Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1977-10-31
1981-01-20
Ziegler, J.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 21, 106 22, 106 24, 401196, C09D 1100, C09D 1104
Patent
active
042460336
ABSTRACT:
Arrangement for applying written or drawn information onto image carriers for overhead projectors, characterized by an image carrier in film or plate form which comprises at least one colored compound, as well as a writing or drawing marker. The writing or drawing fluid of the marker contains at least one colorless compound which reacts with the colored compound to produce a color change.
REFERENCES:
patent: 3501838 (1970-03-01), Agliata et al.
patent: 3672842 (1972-06-01), Florin
Markva Neil F.
Pelikan A.G.
Ziegler J.
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