Patents by Inventor Richard J. Ellis
Richard J. Ellis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8076407Abstract: Hot melt adhesives are provided that have improved heat resistance. The adhesives comprise a metallocene polyolefin, an amorphous ?-olefin polymer, a tackifier and a functional polyolefin. The functional polyolefin is used in an amount sufficient to increase the heat resistance. A preferred functional polyolefin is a maleated polyolefin such as maleated polypropylene. A preferred tackifier is a hydrogenated hydrocarbon tackifier.Type: GrantFiled: February 8, 2008Date of Patent: December 13, 2011Assignee: Henkel AG & Co. KGaAInventors: Richard J. Ellis, Michaela Stolbova
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Patent number: 6605416Abstract: Photochemical acid progenitors in combination with dihydroperimidine squarylium dyes have been found to be particularly effective at generating acid upon irradiation with near-infrared radiation. It has been found that dihydroperimidine squarylium dyes that are particularly useful in this invention have an oxidation potential greater than about 0.5 V relative to SCE as measured in dichloromethane.Type: GrantFiled: February 2, 1998Date of Patent: August 12, 2003Assignee: Imation Corp.Inventors: Stanley C. Busman, Richard J. Ellis, Jeanne E. Haubrich, William D. Ramsden, Tran Van Thien, Gregory D. Cuny
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Publication number: 20010008748Abstract: Photochemical acid progenitors in combination with dihydroperimidine squarylium dyes have been found to be particularly effective at generating acid upon irradiation with near-infrared radiation. It has been found that dihydroperimidine squarylium dyes that are particularly useful in this invention have an oxidation potential greater than about 0.5 V relative to SCE as measured in dichloromethane.Type: ApplicationFiled: February 2, 1998Publication date: July 19, 2001Inventors: STANLEY C. BUSMAN, RICHARD J. ELLIS, JEANNE E. HAUBRICH, WILLIAM D. RAMSDEN, THIEN VAN TRAN, GREGORY D. CUNY
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Patent number: 6140004Abstract: An organic photoreceptor that includes:(a) a charge transport compound having the formula ##STR1## where n is an integer between 2 and 6, inclusive; R.sup.1 and R.sup.2, independently, are an alkyl group, a cycloalkyl group, or an aryl group, or R.sup.1 and R.sup.2 combine with the nitrogen atom to form a ring;Y is a bond, a carbon atom, a --CR.sup.3 group, an aryl group, a cycloalkyl group, or a cyclosiloxyl group;R.sup.3 is hydrogen, an alkyl group, or an aryl group; andX is a linking group having the formula --(CH.sub.2).sub.m -- wherein m is an integer between 4 and 10, inclusive, and one or more of the methylene groups is optionally replaced by an oxygen atom, a carbonyl group, or an ester group;(b) a charge generating compound; and(c) an electroconductive substrate.Type: GrantFiled: December 16, 1999Date of Patent: October 31, 2000Assignee: Imation Corp.Inventors: Andrew W. Mott, David J. Owen, Nusrallah Jubran, Martin D. Attwood, Richard A. Barcock, Richard J. Ellis, Rachel J. Hobson, David R. McGill
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Patent number: 6066426Abstract: An organic photoreceptor that includes:(a) a charge transport compound having the formula ##STR1## where n is an integer between 2 and 6, inclusive; R.sup.1 and R.sup.2, independently, are an alkyl group, a cycloalkyl group, or an aryl group, or R.sup.1 and R.sup.2 combine with the nitrogen atom to form a ring;Y is a bond, a carbon atom, a --CR.sup.3 group, an aryl group, a cycloalkyl group, or a cyclosiloxyl group;R.sup.3 is hydrogen, an alkyl group, or an aryl group; andX is a linking group having the formula --(CH.sub.2).sub.m -- where m is an integer between 4 and 10, inclusive, and one or more of the methylene groups is optionally replaced by an oxygen atom, a carbonyl group, or an ester group;(b) a charge generating compound; and(c) an electroconductive substrate.Type: GrantFiled: October 14, 1998Date of Patent: May 23, 2000Assignee: Imation Corp.Inventors: Andrew W. Mott, David J. Owen, Nusrallah Jubran, Martin D. Attwood, Richard A. Barcock, Richard J. Ellis, Rachel J. Hobson, David R. McGill
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Patent number: 5763134Abstract: Photochemical acid progenitors in combination with dihydroperimidine squarylium dyes have been found to be particularly effective at generating acid upon irradiation with near-infrared radiation. It has been found that dihydroperimidine squarylium dyes that are particularly useful in this invention have an oxidation potential greater than about 0.5 V relative to SCE as measured in dichloromethane.Type: GrantFiled: May 13, 1996Date of Patent: June 9, 1998Assignee: Imation CorpInventors: Stanley C. Busman, Richard J. Ellis, Jeanne E. Haubrich, William D. Ramsden, Tran Van Thien, Gregory D. Cuny
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Patent number: 5756689Abstract: The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain diazo compounds. The diazo compounds contain functional groups adjacent the diazo substituent capable of stabilizing these compounds. The invention is useful in the field of thermal transfer imaging for the production of various graphic arts media.Type: GrantFiled: May 19, 1997Date of Patent: May 26, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Stanley C. Busman, Gregory D. Cuny, Krzysztof A. Zaklika, Richard J. Ellis
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Patent number: 5691098Abstract: The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain diazo compounds. The diazo compounds contain functional groups adjacent the diazo substituent capable of stabilizing these compounds. The invention is useful in the field of thermal transfer imaging for the production of various graphic arts media.Type: GrantFiled: April 3, 1996Date of Patent: November 25, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Stanley C. Busman, Gregory D. Cuny, Krzysztof A. Zaklika, Richard J. Ellis
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Patent number: 5389498Abstract: A photosensitive element for the production of near infrared absorbing images having a photosensitive medium comprising a trialkyl orthoester, a photochemical source of a strong acid and a compound of the formula (I): ##STR1## wherein: n is 0 or 1,R.sup.1 and R.sup.2 are independently members selected from the group consisting of hydrogen and alkyl groups of up to 5 carbon atoms andAr.sub.1 and Ar.sub.2 are independently members selected from the group consisting of aryl groups bearing an electron-donating substituent in the 4-position.Type: GrantFiled: November 4, 1993Date of Patent: February 14, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventor: Richard J. Ellis
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Patent number: 5387498Abstract: Positive-acting photothermographic elements suitable for use in graphic arts and medical imaging comprising a photosensitive medium comprising a reducible silver source, a photo-acid generator, a binder and a reducing system for silver ion comprising a reducing agent for silver ion in which exposure of the element to actinic radiation causes the production of acidic species in the exposed regions which inhibit reduction of the silver source by the reducing system.Type: GrantFiled: January 24, 1994Date of Patent: February 7, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventor: Richard J. Ellis
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Patent number: 5384238Abstract: Positive-acting photothermographic elements suitable for use at contact speeds comprising a base layer having at least two layers thereon, which layers define a photosensitive medium comprising a photocurable composition, a reducible silver source, and a reducing system for silver ion comprising one or more components including a compound capable of reducing silver ion to silver metal, such that the reducible silver source and at least one component of the reducing system for silver ion are present in separate layers, wherein exposure of the element to actinic radiation causes curing of the photocurable composition in the exposed area(s), said curing preventing the reducing system from interacting with the reducible silver source during thermal processing and in which the photocurable composition comprises a free radical curable resin and a photoinitiator therefor having an absorbance to radiation in the wavelength range of 340 to 440 nm, which photoinitiator upon exposure to said actinic radiation or duringType: GrantFiled: January 21, 1994Date of Patent: January 24, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Richard J. Ellis, Ranjan C. Patel, Robert J. D. Nairne
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Patent number: 5168031Abstract: An optical recording element comprising a substrate and as a recording medium a layer comprising a dye having a nucleus of general formula (I): ##STR1## wherein: each Y and Z is independently selected from the group consisting of hydrogen and --XR wherein X is selected from the group consisting of S, Se and Te and R represents an organic radical; with the proviso that one and only one of Y and Z on each phenyl ring must be other than H, andM is selected from the group consisting of two hydrogen atoms, metals and metal oxides.Type: GrantFiled: April 30, 1991Date of Patent: December 1, 1992Assignee: Minnesota Mining and Manufacturing CompanyInventors: Mark R. Buckingham, Christopher M. Evans, Richard J. Ellis, Andrew C. Jackson
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Patent number: 4748087Abstract: Cured coatings on substrates especially sheet substrates like paper are produced by electron beam irradiation of curable compositions comprising organic substituted tin silicon, titanium and zirconium compounds in which the organic radicals include crotonate or, especially, acrylate residues. The inclusion of the metal compounds gives coatings which cure rapidly at low electron beam doses to give cured coatings having good solvent and abrasion resistance properties. Coated substrates produced find use in plastic laminates, furniture foils and similar products.Type: GrantFiled: September 25, 1987Date of Patent: May 31, 1988Assignee: The Wiggins Teape Group LimitedInventors: Robert S. Davidson, Richard J. Ellis
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Patent number: RE38251Abstract: Photochemical acid progenitors in combination with dihydroperimidine squarylium dyes have been found to be particularly effective at generating acid upon irradiation with new-infrared radiation. It has been found that dihydroperimidine squarylium dyes that are particularly useful in this invention have an oxidation potential greater than about 0.5 V relative to SCE as measured in dichloromethane.Type: GrantFiled: February 23, 2000Date of Patent: September 16, 2003Assignee: Imation Corp.Inventors: Stanley C. Busman, Richard J. Ellis, Jeanne E. Haubrich, William D. Ramsden, Tran Van Thien, Gregory D. Cuny