Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2005-06-28
2005-06-28
Schilling, Richard L. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S276100, C430S320000, C430S906000, C430S908000, C430S909000, C430S910000, C430S964000, C528S172000, C528S183000, C528S229000, C528S310000
Reexamination Certificate
active
06911296
ABSTRACT:
The present invention also includes an imageable element, comprising a substrate and a thermally imageable composition comprising a thermally sensitive polymer which exhibits an increased solubility in an aqueous developer solution upon heating. The thermally sensitive polymer includes at least one covalently bonded unit and at least one thermally reversible non-covalently bonded unit, which includes a two or more centered H-bond within each of the non-covalently bonded unit. The present invention also includes a method of producing the imaged element. The present invention still further includes a thermally imageable composition comprising comprising a thermally sensitive polymer according to the present invention and a process for preparing the thermally sensitive polymer, which is a supramolecular polymer. The process includes contacting a hydrocarbyl-substituted isocytosine and a diisocyanate to produce a mono-adduct and contacting the mono-adduct and a polyfunctional material to produce the supramolecular polymer.
REFERENCES:
patent: 6506536 (2003-01-01), Pappas et al.
Huang Jianbing
Monk Alan
Pappas Peter S.
Saraiya Shashikant
Faegre & Benson LLP
Kodak Polychrome Graphics LLC
Schilling Richard L.
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