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Ralph J. Shuman Patents
Inventor:
Shuman; Ralph J.
Address:
Needham, MA
No. of patents:
10
Patents:




Patent Number Title Of Patent Date Issued
5587408 Solid erasable marking composition December 24, 1996
A solid marking composition that is erasable from both porous and non-porous marking susbtrates. The solid erasable marking composition comprises (a) an emulsion, the emulsion comprising a discontinuous polymeric phase and a continuous aqueous phase, the emulsion being characterized
5567753 Adhesive composition which changes from colored to colorless upon application to a substrate October 22, 1996
An adhesive composition which undergoes a change from colored to colorless upon application to a substrate. The composition comprises a shape-giving base, the shape-giving base comprising a gel of a gel-forming salt of an aliphatic carboxylic acid having from about 8 to 36 carbon atoms w
4961666 Binding tabs October 9, 1990
A tab for adhesively securing and binding articles within looseleaf binders and like devices, where such articles cannot be conveniently provided with apparatus for engagement by the binder rings. The tab includes a central, apertured portion advantageously comprising bilaterally symmetr
4755550 Readhering and removable adhesive July 5, 1988
A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied in even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to instantly adhere to essentially an
4684685 Readhering and removable adhesive August 4, 1987
A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied in even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to instantly adhere to essentially an
4657960 Readhering adhesive April 14, 1987
A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied in even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to instantly adhere to essentially an
4644026 Readhering and removable adhesive February 17, 1987
A gelled solid adhesive for coating substrates, typically paper. The adhesive can be made available in stick form and is easily applied on even coats to any surface area of the substrate. The adhesive has sufficient tack enabling the coated substrate to instantly adhere to essentially an
4592946 Thermal ink transfer recording June 3, 1986
A thermal ink transfer laminate wherein an ink design is transferred from a carrier support to an article, typically paper, by application of a thermal printing element, e.g. of the dot matrix type, to the nontransfer side of the carrier. The thermal ink transfer laminate is composed of
4510206 Thermal ink transfer recording April 9, 1985
A thermal ink transfer laminate wherein an ink design is transferred from a carrier support to an article, typically paper, by application of a thermal printing element to the nontransfer side of the carrier. The thermal ink transfer laminate is composed of a carrier support of paper or
4339758 Electrosensitive recording July 13, 1982
Electrosensitive recording using a composite structure formed by a base support for a resinous contrast layer containing silicon dioxide, with an overlying metallic surface provided by vapor deposition. The electrosensitive structure provides improved print quality for information re


 
 
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