Patent
Method for improving the readability of data processing forms
Ronald Sinclair Nohr,John Gavin Macdonald,Michael Wilfred Mosehauer +2 more
- 02 Jan 1997
18
TL;DR: A data processing form for use with photo-sensing apparatus that detect the presence of indicia at indicia-receiving locations on the form is composed of a sheet of carrier material and plurality of locations as mentioned in this paper.
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Abstract: A data processing form for use with photo-sensing apparatus that detect the presence of indicia at indicia-receiving locations on the form The form is composed of a sheet of carrier material and plurality of indicia-receiving locations The indicia-receiving locations are defined by a mutable colored composition including a mutable colorant and an ultraviolet radiation transorber such that the indicia-receiving locations are adapted to become substantially undetectable by photo-sensing apparatus upon irradiating the colored composition with ultraviolet radiation at a dosage level sufficient to irreversibly mutate the colorant The colored composition may be irradiated with radiation in the ultraviolet region of the ultraviolet spectrum Also disclosed is a data processing form that includes a plurality of mutable indicia, at least a portion of which are adapted to become substantially undetectable by photo-sensing apparatus upon irradiation with an effective dosage level of ultraviolet radiation such as, for example, ultraviolet radiation One embodiment of the present invention encompasses a method for improving the readability of a data processing form used in photo-sensing apparatus Another embodiment of the present invention encompasses a method of modifying indicia on a data processing form used in photo-sensing apparatus
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Citations
Patent
System for counting colonies of micro-organisms in petri dishes and other culture media
Marvin Weiss
- 09 Jul 1999
TL;DR: In this article, a method for counting objects in an image includes the steps of: (a) providing an image including at least one object defined in the image in shades of at least 1 color; (b) identifying objects having a shade of color which exceeds a threshold shade so as to provide a number of identified objects; (c) evaluating objects of the number of objects based upon object criteria to determine whether each object satisfies the criteria and can be counted, or does not satisfy the criteria, and (d) repeating steps for objects which are suspect at shades of color increasingly
46
Patent
Instrument for photoerasable marking
Ronald Sinclair Nohr,John Gavin Macdonald,Jeffrey Dean Lindsay +2 more
- 03 Dec 1998
TL;DR: In this article, a photoerasable or mutable colorant composition comprises a mutable colourant and an ultraviolet radiation transorber, which, upon irradiation with ultraviolet radiation, interacts with the colorant to irreversibly mutate the colourant, thereby rendering the colorants substantially colorless.
17
Patent
Novel colorants, colorant stabilizers, ink compositions, and improved methods of making the same
Ronald Sinclair Nohr,John Gavin Macdonald +1 more
- 19 Jan 2000
TL;DR: In this paper, a family of new porphine compounds for use as colorants and/or colorant stabilizers is presented. But the method for making the new compounds is not described.
16
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Subphthalocyanine colorants, ink compositions, and method of making the same
Ronald Sinclair Nohr,John Gavin Macdonald +1 more
- 18 May 2000
TL;DR: In this paper, the authors proposed a method of making subphthalocyanine compounds using environmentally-friendly solvents, which donate a hydrogen atom for use in the reaction mechanism.
16
Patent
Method and apparatus for indicating ultraviolet light exposure
Ronald Sinclair Nohr,John Gavin Macdonald,Jeffrey Dean Lindsay +2 more
- 03 Dec 1998
TL;DR: In this paper, a photoerasable or mutable colorant composition comprises a mutable colourant and an ultraviolet radiation transorber, which, upon irradiation with ultraviolet radiation, interacts with the colorant to irreversibly mutate the colourant, thereby rendering the colorants substantially colorless.
11
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Sheau-Hwa Ma,Howard Matrick,Arthur Charles Shor,Harry Joseph Spinelli,Michele Elise Shepard,Jerome Hochberg +5 more
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TL;DR: A pigmented ink for ink jet printers which comprises an aqueous carrier medium, and pigment particles dispersed in an AB or BAB block copolymer having a hydrophilic segment and a segment that links to the pigment is described in this article.
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Iida Atsuko,Ohdaira Hirosi,Katsura Masaki,Nishikawa Reiji,Ozawa Norio +4 more
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TL;DR: In this paper, the molecular continuum of xenon at 172 nm was obtained with an efficiency of close to 10% and model calculations for excimer formation and UV efficiencies in such discharges were presented.
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Peter Gottschalk,Douglas C. Neckers,Gary B. Schuster +2 more
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