The Mead Corporation

William A Hammann, Iv

Rong-Chang Liang

Jesse Hipps, Sr

Margaret T Thomas

Teresa M Thomas

David A Hutchings

Kerry Kovacs

James A Dowler

Jing-Den Chen

Peter Gottchalk

Ranganatha Raghaven

A process for forming microcapsules having discrete capsule walls comprising the steps of:

Method for producing amine-formaldehyde microcapsules and photosensitive

A process for producing photosensitive microcapsules having an extended dynamic range and the microcapsules produced thereby are disclosed; the process includes:

Process for producing encapsulated photosensitive composition by

A photosensitive material includes a support having microcapsules and a color correction dye on its surface. The microcapsules include first, second and third sets of microcapsules, each set containing an internal phase. The first set of microcapsules is sensitive to red light and is associated with a cyan image-forming agent, the second set of microcapsules is sensitive to green light and is associated with a magenta image-forming agent, and the third set of microcapsules is sensitive to blue light and is associated with a yellow image-forming agent. The cyan, magenta and yellow image forming agents are respectively soluble in the internal phases of the first, second and third sets of microcapsules whereas the color correction dye is insoluble in the internal phase. The first, second and third sets of microcapsules are present in one or more layers containing a binder on the surface of the support. The color correction dye absorbs at least one of red, green, and blue light. The color correction dye is present in the binder of the one or more layers of microcapsules or is present in a separate layer containing a binder such that the film speed of at least one of the first, second and third sets of microcapsules is reduced and thereby the photosensitive material exhibits improved gray scale.

Photosensitive microcapsule imaging system having improved gray scale

A recording sheet which comprises a substrate having a large of a metal on the surface thereof, and a layer of microcapsules, said layer of microcapsules including a coupling agent to improve the adhesion of said microcapsule layer to said metal layer; the coupling agent is preferably a silane.

Microcapsule coating compositions containing coupling agents for

A recording sheet which comprises a substrate having a layer of a metal on the surface thereof and a layer of microcapsules, said microcapsules being bonded to one another by means of a crosslinking agent which has reactively interacted with reactive moieties on the surface of said microcapsules, to improve the adhesion of said microcapsule layer to said metal layer.

Growing community of inventors

Centerville, OH, United States of America

William A Hammann, Iv