Phenolic Hydroxy Compound As The Developer Patents (Class 106/31.18)
-
Patent number: 10718089Abstract: The invention concerns a CF paper comprising a base paper and a coating applied thereto, said coating containing at least one binding agent, at least one ink-absorbing agent, at least one coating pigment and conventional additives, and being characterised in that the at least one binding agent comprises a cross-linked biopolymeric material in the form of nanoparticles.Type: GrantFiled: June 10, 2015Date of Patent: July 21, 2020Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Claus Jurisch, Lutz Kuhne
-
Patent number: 9962980Abstract: A main object of the present invention is to provide a thermosensitive recording material having excellent recording color developability and recording image quality, having no inhibition of a color-developing reaction due to the adhesive component after being processed into a thermosensitive recording label (glue desensitization), and being able to withstand long-term storage while retaining excellent recording performance.Type: GrantFiled: September 30, 2014Date of Patent: May 8, 2018Assignee: OJI HOLDINGS CORPORATIONInventors: Masahiro Morie, Takehiro Minami, Kazuo Yamane, Toshizo Yamamoto, Kazuyuki Sakamoto, Masaharu Nojima
-
Patent number: 9745487Abstract: A new leuco dye produces a yellow color while demonstrating also exceptional light and thermal stability under light.Type: GrantFiled: July 25, 2016Date of Patent: August 29, 2017Assignee: Chromatic Technologies, Inc.Inventors: Ruizheng Wang, Yu Du, Timothy J. Owen, Medhanei Abraha, Terrill Scott Clayton, Lyle Small
-
Patent number: 8888906Abstract: A heat-sensitive color-developing composition containing a hydroxyquinoline compound having a methyl group and an acid anhydride compound represented by general formula (1): wherein ring A represents a substituted or unsubstituted aromatic hydrocarbon ring, and n represents an integer of 1 to 3, and a heat-sensitive recording material containing the composition in a recording layer.Type: GrantFiled: September 13, 2011Date of Patent: November 18, 2014Assignee: Yamamoto Chemicals, Inc.Inventors: Ryoji Yamaguchi, Toshihiro Masaoka, Keisuke Takuma
-
Patent number: 8791045Abstract: The invention describes a color-developing composition that contains at least three major components: (1) a leuco dye or a combination of leuco dyes, (2) an color-developer or a combination of color-developers that can form colored complexes with the leuco dyes, and (3) a desensitizer to temporarily remove the effect of the developer so the leuco dye appears in its colorless form. An optional binder may be included so that the composition may be applied to a substrate as an ink. The ink composition may be applied to synthetic polymeric substrates and other substrates that are incorporated into absorbent articles or personal care products.Type: GrantFiled: November 9, 2011Date of Patent: July 29, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Ning Wei, Xuedong Song, JinHo Ryu, JunMo Gil
-
Patent number: 8664157Abstract: An object of the present invention is to provide a recording material or a recording sheet that is excellent not only in whiteness of a background but also in storage property for a background and an image, and further has excellent dynamic sensitivity. In order to achieve the object, a phenol compound represented by Formula (I) [wherein R1 represents a hydroxyl group or a halogen atom, p represents 0 or an integer of 1 to 5, R2 and R3 each independently represent a hydrogen atom or a C1-C6 alkyl group, R4 represents a hydrogen atom, a C1-C6 alkyl group, an optionally substituted phenyl group or an optionally substituted benzyl group; and a bond shown with a wavy line represents E- or Z-form, or a mixture thereof] and having a color space b* of 10 or less, and preferably having brightness by Hunter of 75 or more, is used as a recording material.Type: GrantFiled: August 29, 2011Date of Patent: March 4, 2014Assignee: Nippon Soda Co., Ltd.Inventors: Hiroshi Sakai, Shuntaro Kinoshita, Tadahiro Kondo, Kazumi Jyujyo
-
Patent number: 8563468Abstract: Provided is a color-developing composition containing a molecular compound which has as a component compound a compound represented by formula (I) [wherein Y represents a C1-C12 hydrocarbon group which is chained or branched and saturated or unsaturated, or a C1-C8 hydrocarbon group which is chained or branched, saturated or unsaturated and has an ether or thioether bond; R1, R2, R3 and R4 each independently represent a C1-C6 alkyl group or C2-C6 alkenyl group; n, p, q and r each represents any integer of 0 to 4; and m represents any integer of 0 to 2]. Also provided is a recording material with a sufficient color-forming sensitivity, superior storage stability, and especially with an extremely little background fogging in a heat resistance test.Type: GrantFiled: August 3, 2009Date of Patent: October 22, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Satoshi Kodama, Kazumi Jyujyo
-
Patent number: 8546299Abstract: Provided is a recording material with a superior heat resistance and having a low content of a dihydroxydiphenylsulfone derivative, and a color-developing composition for producing the recording material. With the use of this color-developing composition, a recording material with a superior heat resistance at the background part can be provided and the content of a dihydroxydiphenylsulfone derivative, such as 4,4?-dihydroxydiphenylsulfone, in the color-developing composition can be reduced to 2% by mass or less, or further to 1% by mass or less.Type: GrantFiled: June 18, 2009Date of Patent: October 1, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Hiroshi Fujii, Tadashi Kawakami, Satoshi Kodama, Kazumi Jyujyo
-
Patent number: 8506695Abstract: Coating compositions and industrial packages including the coating compositions are disclosed.Type: GrantFiled: October 25, 2006Date of Patent: August 13, 2013Assignee: Hewlett-Packard Development Company, L.P.Inventors: Molly L. Hladik, Mehrgan Khavari, Cari L. Dorsh
-
Patent number: 8470735Abstract: Provided are a coating solution for a thermosensitive color developing layer of excellent storability wherein color development during its storage or during producing a thermal recording material is suppressed, and a thermal recording material with excellent print portion (image portion) storability and suppressed staining in the background color (white background). A coating solution for a thermosensitive color developing layer, which comprises a colorless or pale-colored electron-donating leuco dye, a hindered phenol compound and, as an electron-accepting developer, a diphenylsulfone derivative represented by the following formula (1): wherein the aforementioned hindered phenol compound has an average particle size (D50) of not more than 0.5 ?m, and the coating solution has a color tone a* of not less than ?4.0 as measured according to JIS Z 8729 and a whiteness W of not less than 62 as measured according to JIS Z 8715.Type: GrantFiled: April 2, 2010Date of Patent: June 25, 2013Assignees: Nippon Paper Industries Co., Ltd., API CorporationInventors: Yoshimune Aosaki, Mai Kaneko, Katsuto Ohse, Yukiko Sato
-
Publication number: 20130116644Abstract: The invention describes a color-developing composition that contains at least three major components: (1) a leuco dye or a combination of leuco dyes, (2) an color-developer or a combination of color-developers that can form colored complexes with the leuco dyes, and (3) a desensitizer to temporarily remove the effect of the developer so the leuco dye appears in its colorless form. An optional binder may be included so that the composition may be applied to a substrate as an ink. The ink composition may be applied to synthetic polymeric substrates and other substrates that are incorporated into absorbent articles or personal care products.Type: ApplicationFiled: November 9, 2011Publication date: May 9, 2013Inventors: Ning Wei, Xuedong Song, JinHo Ryu, JunMo Gil
-
Patent number: 8431513Abstract: An object of the present invention is to provide a recording material that is excellent in color-developing properties and background and image stabilities, and a compound used therein. The present invention relates to a compound represented by the formula (I) [wherein R11 to R14 each independently represent a halogen atom or the like; n, p, q, and r each independently represent 0 or any integer of 1 to 4; m represents 0 or any integer of 1 to 2; a represents any integer of 1 to 10; R2 represents a hydrogen atom or the like; R3 represents an OR51 group or the like; and R41 and R42 each independently represent a hydrogen atom or the like], a composition containing the compound, a method for producing the compound, a recording material containing at least one compound represented by the formula (I), and a recording sheet having the recording material.Type: GrantFiled: September 28, 2010Date of Patent: April 30, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Toshio Aihara, Hiroshi Sakai, Shuntaro Kinoshita, Satoshi Kodama, Tadahiro Kondo, Kazumi Jyujyo
-
Patent number: 8420568Abstract: Provided is a color-developing composition for recording materials having a superior heat resistance. The color-developing composition is a reaction composition containing a mixture of compounds represented by formula (III) obtained by reacting a dihydroxydiphenylsulfone derivative represented by formula (I) with a dihalide represented by formula (II) X—Y—X (II), wherein, in a composition where the content of a compound with n=1 in said reaction composition is from 5 to 80% by mass of the total solid content of the composition, at least 10% by mass of the compound with n=1 is a crystalline material.Type: GrantFiled: May 1, 2009Date of Patent: April 16, 2013Assignee: Nippon Soda Co., Ltd.Inventors: Satoshi Kodama, Toshiyuki Fukami, Hiroshi Fujii, Tadashi Kawakami, Toshio Aihara
-
Patent number: 8273822Abstract: The present invention pertains to a reversible thermochromic system comprising a ?-phenylvinylketone or a ?-phenyl polyacetylenyl ketone with at least one acidic hydrogen and a base and to a reversible thermochromic composition comprising the reversible thermochromic system and a carrier material and to novel substituted ?-phenylvinylketones or ?-phenyl polyacetylenyl ketones with at least one acidic hydrogen.Type: GrantFiled: January 25, 2007Date of Patent: September 25, 2012Assignee: BASF SEInventors: Mirko Rossi, Graziano Zagnoni, Manuele Vitali, Dario Lazzari, Walter Fischer
-
Patent number: 8216970Abstract: This invention provides 1,1-bis(4-hydroxyphenyl)-1-phenylethane having a crystal form characterized by an X-ray diffraction pattern having one sharp and strong peak at 16.4° and three sharp peaks of intermediate intensity at each of 13°-16° and 17°-20.8° and at least three peaks of intermediate intensity at 22°-23° as a diffraction angle (2?) in an X-ray diffractometry with Cu—K ?-rays, and being capable of giving the storing stability of a colored image and a non-colored portion against heat, water or the like and the low-energy color-developing property suitable for high-speed color development.Type: GrantFiled: July 18, 2007Date of Patent: July 10, 2012Assignee: Nipponkayaku KabushikikaishaInventors: Hiroaki Tsugawa, Soichi Uehori, Mituo Yoshifuji
-
Patent number: 8062558Abstract: This is to provide a conductive paste with higher electroconductivity containing, as raw materials: a metallic powder; a thermosetting resin; and a flux-activating compound having a carboxyl group and a phenolic hydroxyl group, which is applicable to the fine pitch-utilization.Type: GrantFiled: December 20, 2007Date of Patent: November 22, 2011Assignee: Sumitomo Bakelite Co., Ltd.Inventors: Hiroshi Obata, Toshio Komiyatani
-
Patent number: 7674748Abstract: (1) A 4-hydroxy-4?-isopropoxydiphenylsulfone developer dispersion characterized by being obtained by wet grinding a 4-hydroxy-4?-isopropoxydiphenylsulfone developer in the presence of at least one compound selected from the group consisting of 1,1,3-tris(2-methyl-4-hydroxy-5-cyclohexylphenyl)butane and 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, or in the presence of 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanuric acid; (2) a method for wet grinding a 4-hydroxy-4?-isopropoxydiphenylsulfone developer, characterized by wet grinding a 4-hydroxy-4?-isopropoxydiphenylsulfone developer in the presence of at least one compound selected from the group consisting of 1,1,3-tris(2-methyl-4-hydroxy-5-cyclohexylphenyl)butane and 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, or in the presence of 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanuric acid; and (3) a heat-sensitive recording material having a heat-sensitive recording layer containing the developer dispersioType: GrantFiled: March 15, 2005Date of Patent: March 9, 2010Assignee: OJI Paper Co., Ltd.Inventor: Yoshimi Ishibashi
-
Patent number: 7517397Abstract: New color developers, new mixture comprising it, its processes for preparation, heat sensitive recording compositions and materials comprising the novel developers and mixtures as well as their uses in heat sensitive recording materials.Type: GrantFiled: April 26, 2004Date of Patent: April 14, 2009Assignee: Ciba Specialty Chemicals Corp.Inventors: Jonathan Campbell, Robert Montgomery O'Neil, Ian Street, William Walker, John Whitworth
-
Patent number: 7417074Abstract: There is disclosed an ink jet recording apparatus comprising a color ink container having a capacity V1 accommodating therein a solvent polymerizable in the presence of an acid and a colorant, a reaction liquid container having a capacity V2 (V2<V1) accommodating therein a reaction liquid comprising a solvent, and a photo-acid generating agent capable of generating an acid when irradiated with light, an stirring container mixing the color ink and the reaction liquid at a mixing ratio of S1:S2 (the color ink:the reaction liquid) to prepare a recording ink, a color ink supply means feeding the color ink to the stirring container, a reaction liquid supply means feeding the reaction liquid to the stirring container, an ink jet recording head ejecting the recording ink to a recording medium, and a supply tube feeding the recording ink to the recording head.Type: GrantFiled: March 22, 2004Date of Patent: August 26, 2008Assignees: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha ToshibaInventors: Masashi Hiroki, Kazuhiko Ohtsu, Yoshito Endo, Toru Ushirogouchi, Ryozo Akiyama
-
Patent number: 7060654Abstract: A coating includes an antenna uniformly distributed in both a matrix and a leuco-dye phase of the coating. A method for preparing an imaging material includes providing a powder having an activator and an antenna, dissolving the activator/antenna powder to form an activator/matrix pre-polymer solution, providing a leuco-dye alloy, and dispersing the leuco-dye alloy into the activator/matrix pre-polymer solution to form a radiation-curable paste. An image-recording medium includes a matrix having an antenna and an activator, and an alloy dispersed in the matrix as an independent phase. The alloy includes an antenna, a leuco-dye, and an accelerator.Type: GrantFiled: October 28, 2003Date of Patent: June 13, 2006Assignee: Hewlett-Packard Development CompanyInventors: Vladek P Kasperchik, Makarand P. Gore, Marshall Field, Jayprakash Bhatt
-
Patent number: 6770125Abstract: A reversible thermochromic composition with light fastness feature comprises (a) an electron-donating color former, (b) an electron-accepting compound represented by Formula I, wherein R1 represents a straight-chain or a branch-chain alkyl group having 1 to 3 carbon atoms, R2 represents an alkyl group, an aromatic group or a heterocyclic group having 1 to 14 carbon atoms, (c) a solvent including an alcohol, ester, ether, ketone, carboxylic acid or acid amide, and (d) a light stabilizer. The reversible thermochromic composition can be encapsulated in microcapsules. Furthermore, the reversible thermochromic compositions undergoes reversible metachromatism at a temperature of −50° C. to 80° C.Type: GrantFiled: October 17, 2002Date of Patent: August 3, 2004Assignee: New Prismatic Enterprise Co., Ltd.Inventors: Peen-Taurn Chen, Chon-Yu Chen, Chung-Hsin Wu, Jen-Yi Chio
-
Patent number: 6762208Abstract: The present invention pertains to a method for controlling the foaming of a waterborne composition or an industrial process by the incorporation of a foam controlling agent. The method comprises utilizing as the foam controlling agent a compound of the formula: HOR1R3C—[CH2]n—CR2R4OH R1 and R2 are independently selected from the group of alkyl radicals having from 3 to 6 carbon atoms. R3 and R4 are independently alkyl radicals having from 1 to 2 carbon atoms. n is an integer from 1 to 6. The compound generates an initial (t=0 min.) or a final (t=10 min.) foamed density at least 30% greater than that of a 0.5 wt % aqueous solution of a 12 mole ethoxylate of a C12-C15 primary alcohol (C12-C15E12) when added at 0.2 wt % to the C12-C15E12 solution. The present invention also pertains to an aqueous composition comprising the foam controlling agent.Type: GrantFiled: October 1, 2001Date of Patent: July 13, 2004Assignee: Air Products and Chemicals, Inc.Inventors: Joel Schwartz, Charles James Reader, Wim Peter Stout, Yong Jin Lee, Christine Marie Kretz
-
Patent number: 6716793Abstract: An image-recording composition comprising: a microcapsule enclosing a leuco-dye; a phenol color-developing agent; and a reaction-accelerating agent catalyzing a color-developing reaction between the leuco-dye and the phenol color-developing agent, the reaction-accelerating agent being an organic compound having at least two carboxyl groups. An image-recording sheet comprising a substrate and a color-developing layer disposed by applying the image-recording composition to the substrate is also provided.Type: GrantFiled: May 17, 2001Date of Patent: April 6, 2004Assignee: Pentax CorporationInventors: Yukio Kubota, Minoru Suzuki, Kazuyuki Shimbo
-
Patent number: 6638620Abstract: A reversible thermochromic composition which can be freely adjusted in its discoloration temperature even if the kind of electron donating compound and electron accepting compound to be used in combination remain the same and exhibits a remarkably improved light-fastness during quenching. A reversible thermochromic composition having an improved light-fastness comprising (a) an electron donating compound, (b) an electron accepting compound ultraviolet absorbing capacity represented by the following general formula I: wherein X represents a hydrogen atom, —CnH2n+1 or —OCmH2m+1; m represents an integer of from 1 to 9; n represents an integer of from 1 to 10; and p represents an integer of from 1 to 3, and (c) a discoloration temperature adjustor and a product comprising same.Type: GrantFiled: August 8, 2001Date of Patent: October 28, 2003Assignee: The Pilot Ink Co., Ltd.Inventors: Akio Nakashima, Yoshiaki Ono
-
Patent number: 6593272Abstract: A thermosensitive recording composition includes a leuco dye, a color developer containing 4,4′-bisphenol S, and a sensitizer containing 4-acetylbiphenyl. A thermosensitive recording material has a support and a thermosensitive recording layer which is provided on the support and contains the above-mentioned thermosensitive recording composition.Type: GrantFiled: December 1, 2000Date of Patent: July 15, 2003Assignee: Ricoh Company, Ltd.Inventors: Tomohisa Kakuda, Takeshi Kajikawa, Hiroshi Yamada
-
Publication number: 20030121448Abstract: A reversible thermochromic composition with light fastness feature comprises (a) an electron-donating color former, (b) an electron-accepting compound represented by Formula I, 1Type: ApplicationFiled: October 17, 2002Publication date: July 3, 2003Inventors: Peen-Taurn Chen, Chan-Yu Chen, Chung-Hsin Wu, Jen-Yi Chio
-
Patent number: 6579829Abstract: The invention is a novel developer composition which comprises one or more phenol derivative of sulfonamide structure represented by the formula (1) and one or more constituents selected from a polyvalent metal compound, antioxidant and reducing agent and provides dispersion having excellent preservation stability on atomization in water. The heat sensitive recording material comprising the developer composition has high color density in developed image and is also excellent in whiteness degree before recording. wherein X1 is a hydrogen or halogen atom, an alkyl, alkoxy or hydroxyl group, Z1 is a hydrogen atom or alkyl group, and R1 is an unsubstituted or substituted alkyl or aryl group.Type: GrantFiled: March 27, 2001Date of Patent: June 17, 2003Assignee: Mitsui Chemicals, Inc.Inventors: Takeshi Nishimura, Masaru Wada, Masayuki Furuya, Junya Tanaka
-
Patent number: 6524377Abstract: A reversible thermosensitive coloring composition including an electron donating coloring agent and an electron accepting color developer, wherein the composition achieves a colored state when heated at a temperature not lower than a coloring temperature and then cooled at a cooling speed (a), and the composition in the colored state achieves a non-colored state when heated at a temperature lower than the coloring temperature and not lower than an erasing temperature, or when heated at a temperature not lower than the coloring temperature and then cooled relatively slowly compared to the cooling speed (a), and wherein the electron accepting color developer includes a phenolic compound having the following formula (1): wherein n is an integer of from 1 to 3; m is an integer of from 1 to 20; r is 0 or an integer of from 1 to 3; X and Y independently represent a divalent group including a hetero atom; R1 represents a hydrocarbon group having from 1 to 20 carbon atoms; and R2 represents a hydrocType: GrantFiled: January 24, 2001Date of Patent: February 25, 2003Assignee: Ricoh Company, Ltd.Inventors: Masafumi Torii, Hiroaki Matsui, Masaru Shimada