Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Patent
1996-05-30
1997-09-23
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Method of use, kit, or combined with marking instrument or...
427152, 503215, 503218, 503220, B41M 5136, B41M 5145
Patent
active
056704461
ABSTRACT:
This invention includes novel sultine compounds and the reaction of these compounds to form colored compounds. The invention also includes the use of these color-forming compounds in the manufacture and imaging of thermal imaging papers and pressure-sensitive imaging papers.
REFERENCES:
patent: 3301870 (1967-01-01), Terzijska
patent: 4020232 (1977-04-01), Kohmura et al.
patent: 4929411 (1990-05-01), Usami et al.
patent: 5324619 (1994-06-01), Kawabe et al.
Katritzky et al., "Directed Metalation of Benzenesulfinamides. A Novel Route to Meta-Substituted Aromatic Compounds," J. Org. Chem., 55, pp. 74-78 (1990).
Jubran Nusrallah
Katritzky Alan R.
Ugro, Jr. Josef V.
Hess Bruce H.
Minnesota Mining and Manufacturing Company
Moeller Zerull Susan
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