Patents Represented by Attorney Edward R. Weber
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Patent number: 4134929Abstract: An adhesive composition comprising Components A, B and C as follows:A. a polymerizable monomeric allyl 2-cyanoacrylate containing portion comprising1. from about 75 to about 92 parts by weight of allyl 2-cyanoacrylate;2. from about 1 to about 12 parts by weight of a difunctional monomer diester of an acid from the group consisting of acrylic and methacrylic acid and an aromatic diol; and3. from about 3 to 20 parts by weight of a thickening agent selected from poly(methylacrylate-coacrylonitrile) polymers;B. from 0.1 to 3.0 weight percent based upon the weight of component A of a hydrophobic cyclic imino initiator selected from 2,4,6-tri(allyloxy)-S-triazine, tri(alkyloxy)-S-triazines having 1 to about 20 exocyclic carbon atoms, benzoxazole and substituted benzoxazoles; andC. an amount of an organic peroxide free radical providing compound sufficient to cause cross linking of the difunctional monomer diester with the allyl 2-cyanoacrylate.Type: GrantFiled: July 23, 1976Date of Patent: January 16, 1979Assignee: Eastman Kodak CompanyInventors: Diane M. Stoakley, John R. Dombroski
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Patent number: 4133961Abstract: A process for the preparation of an unsaturated dicarboxylic acid containing additional functional groups wherein a substituted cyclobutane is contacted with an anhydride of acetic, propionic or butyric acid at an elevated temperature.Type: GrantFiled: August 17, 1977Date of Patent: January 9, 1979Assignee: Eastman Kodak CompanyInventor: Windell C. Watkins
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Patent number: 4133963Abstract: A process for the production of a carboxylic acid by the reaction of a liquid lower alkanol with carbon monoxide at a temperature of from about 150.degree. C. to about 250.degree. C. and a carbon monoxide pressure of from about 2,000 psig to about 10,000 psig in the presence of a soluble liquid phase catalyst prepared from the following ingredients: (1) MX.sub.n wherein M is selected from the group consisting of Co and Ni, X is selected from the group consisting of carboxylate anions of from 2 to 10 carbon atoms, halides, oxides, acetyl acetonate, carbon monoxide, and hydrogen: and n is from 1 to 5; (2) R.sub.3 P wherein R is alkyl, aryl, or alkylaryl of from 4 to 10 carbon atoms; and (3) hydrogen iodide or an iodide source such as iodine, alkyl iodides and alkali metal or alkaline earth iodides.Type: GrantFiled: August 3, 1977Date of Patent: January 9, 1979Assignee: Eastman Kodak CompanyInventor: Jerry D. Holmes
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Patent number: 4131739Abstract: Cyclic acetals are rearranged to form isomeric carboxylic acid esters according to the following formula: ##STR1## wherein R is an alkyl, alkenyl, or aromatic moiety containing 1 to 12 carbon atoms;AndR' is an alkyl or alkenyl moiety containing 1 to 12 carbon atoms;In the presence of a catalyst consisting of a metal selected from the group Ru, Rh, Pd, Os, Ir or Pt supported on carbon.Type: GrantFiled: July 11, 1977Date of Patent: December 26, 1978Assignee: Eastman Kodak CompanyInventor: Don L. Morris
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Patent number: 4128559Abstract: This invention relates to benzotriazole ortho-ester compounds of the type (A).sub.x --C wherein A is a group having the structure ##STR1## and C is a group having the structure ##STR2## X IS AN INTEGER OF 1 TO 6 AND I is the same as R.sub.1, R.sub.2, R.sub.3 and R.sub.4 and is present on all positions of the benzenoid ring except the carbon atom attached to the heterocyclic ring and the carbon atom attached to the carbonyl group connecting the heterocyclic aromatic A group with the aromatic C group.R.sub.1, r.sub.2, r.sub.3 and R.sub.4 may be hydrogen, halogen or any of various alkyl, cycloalkyl, phenyl or other such substituents. In addition, pairs of R's, combined with the carbon atoms to which they are attached, may be joined alkylene groups completing a carbocyclic ring. These compounds are effective ultraviolet stabilizers and may be used in the presence of other additives commonly used in polymeric compositions including, for example, pigments, colorants, fillers, reenforcing agents and the like.Type: GrantFiled: April 1, 1977Date of Patent: December 5, 1978Assignee: Eastman Kodak CompanyInventors: David M. Pond, Richard H. Wang
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Patent number: 4110539Abstract: This invention describes a process for the synthesis of 2,2,4-trimethyl-1,3-pentanediol diisobutyrate by the acid catalyzed cleavage and esterification of 2,4-diisopropyl-5,5-dimethylmetadioxane.Type: GrantFiled: July 13, 1977Date of Patent: August 29, 1978Assignee: Eastman Kodak CompanyInventors: Kenneth H. Albers, Howard N. Wright, Jr.
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Patent number: 4092270Abstract: The present invention relates to a process for the manufacture of 2,2-disubstituted propiolactones from isoanhydrides and formaldehyde, as shown in the following equation: ##STR1## wherein R and R.sup.1 individually may be a straight- or branched-chain alkyl, aryl or aralkyl group having 1 to 10 carbon atoms. The reaction is conducted at a temperature of from about 190.degree. C. to about 400.degree. C. in the presence of the metal oxide-silica gel complex which results from heating the calcined residue of a salt of a metal selected from the group consisting of Ta, Ti, Nb and Zr supported upon a silica gel in the presence of nitrogen and steam at a temperature of from about 650.degree. C. to about 1000.degree. C. which complex has additionally been treated by soaking in a mineral acid at a temperature of from about 25.degree. C. to about 100.degree. C. for from about 1 to about 4 hours.Type: GrantFiled: April 25, 1977Date of Patent: May 30, 1978Assignee: Eastman Kodak CompanyInventor: Jerry D. Holmes
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Patent number: 4088602Abstract: Lower aliphatic acids, e.g., isobutyric acid and esters, e.g., methyl isobutyrate are dehydrogenated in the presence of oxygen and a solid heterogenous dehydrogenation catalyst at temperatures in the range of from about 250.degree. C. to about 600.degree. C. The catalyst is the calcined residue of a base catalyst described as the mixed phosphates of iron and lead and a modifier component selected from the group consisting of manganese, uranium, praseodymium, calcium, strontium and chromium wherein such modifier is present in the amount of from about 0.1 to about 10% based on the weight of said base catalyst.Type: GrantFiled: March 9, 1977Date of Patent: May 9, 1978Assignee: Eastman Kodak CompanyInventor: Windell C. Watkins
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Patent number: 4085143Abstract: The present invention relates to a new process for the manufacture of .alpha.,.beta.-unsaturated acids and their anhydrides from formaldehyde, and a saturated acid anhydride containing 1 less carbon atom in the hydrocarbon moiety.Type: GrantFiled: June 5, 1975Date of Patent: April 18, 1978Assignee: Eastman Kodak CompanyInventor: Jerry D. Holmes
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Patent number: 4065427Abstract: The invention relates to polychromophoric heterocyclic ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of these polychromophoric heterocyclic ester compositions to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: October 7, 1976Date of Patent: December 27, 1977Assignee: Eastman Kodak CompanyInventors: David M. Pond, Richard H. S. Wang, Gether Irick, Jr.
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Patent number: 4041011Abstract: The invention relates to benzotriazole ortho-ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the benzotriazole ortho-ester composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: October 28, 1975Date of Patent: August 9, 1977Assignee: Eastman Kodak CompanyInventors: David Martin Pond, Richard Hsu-Shien Wang
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Patent number: 4038329Abstract: Neopentyl glycol is recovered from an impure process stream by the steps of (1) extracting neopentyl glycol from the impure stream with an organic solvent or mixture of solvents, (2) flashing the neopentyl glycol solvent mixture in a thermosiphoning reboiler so as to separate the solvent from the neopentyl glycol under atmospheric conditions, and (3) refining the neopentyl glycol by atmospheric distillation.Type: GrantFiled: November 17, 1975Date of Patent: July 26, 1977Assignee: Eastman Kodak CompanyInventors: Billy W. Palmer, Howard N. Wright, Jr.
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Patent number: 4035389Abstract: The present invention relates to a process for the manufacture of 2,2-disubstituted propiolactones from isoanhydrides and formaldehyde, as shown in the following equation: ##STR1## wherein R and R.sup.1 individually may be a straight- or branched-chain alkyl, aryl or aralkyl group having 1 to 10 carbon atoms. The reaction is conducted at a temperature of from about 190.degree. C. to about 400.degree. C. in the presence of the metal oxide-silica gel complex which results from heating the calcined residue of a salt of a metal selected from the group consisting of Ta, Ti, Nb and Zr supported upon a silica gel in the presence of nitrogen and steam at a temperature of from about 650.degree. C. to about 1000.degree. C. which complex has additionally been treated by soaking in a mineral acid at a temperature of from about 25.degree. C. to about 100.degree. C. for from about 1 to about 4 hours.Type: GrantFiled: January 12, 1976Date of Patent: July 12, 1977Assignee: Eastman Kodak CompanyInventor: Jerry D. Holmes
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Patent number: 4029695Abstract: Lower aliphatic acids, e.g., isobutyric acid and esters, e.g., methyl isobutyrate are dehydrogenated in the presence of oxygen and a solid heterogenous dehydrogenation catalyst at temperatures in the range of from about 250.degree. to about 600.degree. C. The catalyst is the calcined residue of a base catalyst described as the mixed phosphates of iron and lead and a modifier component selected from the group consisting of manganese, uranium, praseodymium, calcium, strontium and chromium wherein such modifier is present in the amount of from about 0.1 to about 10% based on the weight of said base catalyst.Type: GrantFiled: June 5, 1975Date of Patent: June 14, 1977Assignee: Eastman Kodak CompanyInventor: Windell C. Watkins
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Patent number: 4029670Abstract: The invention relates to bichromophoric heterocyclic ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of these bichromophoric heterocyclic ester compositions to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.Type: GrantFiled: September 19, 1975Date of Patent: June 14, 1977Assignee: Eastman Kodak CompanyInventors: David M. Pond, William C. Dickason, Edward U. Elam
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Patent number: 4024080Abstract: The present invention relates to a process for the manufacture of 2,2-disubstitued propiolactones from isoanhydrides and formaldehyde, as shown in the following equation: ##STR1## wherein R and R.sup.1 individually may be a straight- or branched-chain alkyl, aryl or aralkyl group having 1 to 10 carbon atoms. The reaction is conducted at a temperature of from about 190.degree. C. to about 400.degree. C. in the presence of a metal oxide-silica gel complex which results from heating the calcined residue of a salt of a metal selected from the group consisting of Ta, Ti, Nb and Zr supported upon a silica gel in the presence of nitrogen and steam at a temperature of from about 650.degree. C. to about 1000.degree. C.Type: GrantFiled: September 2, 1975Date of Patent: May 17, 1977Assignee: Eastman Kodak CompanyInventor: Jerry D. Holmes
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Patent number: 4021496Abstract: A process for recovery of neopentyl glycol from a waste stream comprising neopentyl glycol and water, wherein said waste stream is contacted with isobutyraldehyde and subsequently separated into an organic stream comprising neopentyl glycol and isobutyraldehyde and an aqueous stream essentially free of neopentyl glycol.Type: GrantFiled: November 17, 1975Date of Patent: May 3, 1977Assignee: Eastman Kodak CompanyInventor: Roger L. Wright
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Patent number: 4007226Abstract: A hydrogenation catalyst of high activity, good crush strength and strong resistance to disintegration when employed in a fixed-bed hydrogenation process comprising a hydrogen-reduced mixture of sodium silicate and cobalt oxide in a weight ratio of sodium silicate:cobalt oxide of about 1:1 to 1:9.Type: GrantFiled: January 31, 1973Date of Patent: February 8, 1977Assignee: Eastman Kodak CompanyInventor: Jefferson W. Reynolds
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Patent number: 3994929Abstract: The present invention relates to a process for the manufacture of 2,2-disubstituted propiolactones via the pyrolysis of methylene diisoalkylate in the vapor phase over a fixed bed catalyst system. The reaction of the invention is as follows: ##SPC1##Wherein R is alkyl of from 1 to 4 carbon atoms and R.sup.1 is alkyl of from 1 to 4 carbon atoms or phenyl. The catalyst comprises an oxide of a metal selected from the group Ag, U, Zn, Ti, Zr, Th, Ta, Nb, Mo, W, and Sn on a suitable support. A preferred catalyst is the metal oxide-silica gel complex which results from heating the calcined residue of a salt of a metal selected from the group consisting of Ta, Ti, Nb and Zr supported upon a silica gel in the presence of nitrogen and steam at a temperature of from about 650.degree. C. to about 1000.degree. C. The process is operable at temperatures from about 240.degree. C. to about 360.degree. C. with contact times ranging from about 0.1 second to about 30.0 seconds.Type: GrantFiled: June 2, 1975Date of Patent: November 30, 1976Assignee: Eastman Kodak CompanyInventors: Robert P. Allen, Hugh J. Hagemeyer, Jr.
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Patent number: 3975301Abstract: Lower aliphatic acids, e.g., isobutyric acid, and esters, e.g., methyl isobutyrate, are dehydrogenated in the presence of oxygen and a solid heterogeneous dehydrogenation catalyst at temperatures in the range of from about 250.degree.C. to about 600.degree.C. The catalyst is the calcined residue of the mixed phosphates of iron and lead.Type: GrantFiled: August 20, 1974Date of Patent: August 17, 1976Assignee: Eastman Kodak CompanyInventor: Windell C. Watkins