Carbocyclic Ring Wherein One Of The Nuclear Carbons Thereof Is Double Bonded Directly To An Oxygen Atom So As To Form A C=o Group Therewith, E.g., Cyclohexanone, Etc. Patents (Class 524/360)
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Patent number: 4690962Abstract: An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein D is ##STR2## wherein M is --C.tbd.C--, --C.tbd.C--C.tbd.C, --O--, ##STR3## wherein R is an alkyl or aromatic group; wherein Ar is an aromatic group; wherein x is an integer greater than two but less than 30, z is either zero or an integer, and y is an integer wtih the sum of y and z equal to x; and wherein n is an integer from 1 to 10. The substrate is coated by applying the above composition to the substrate and then hardening the composition by further polymerization. Preferred compositions contain the above described oligomer and certain plasticizers and/or toughening agents.Type: GrantFiled: April 7, 1986Date of Patent: September 1, 1987Assignee: International Business Machines CorporationInventors: Roger J. Clark, James Economy, Mary A. Flandera, John R. Susko, Robin A. Wheater
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Patent number: 4649067Abstract: One-component baking enamels of polyesters, containing hydroxyl groups, and polyisocyanates, wherein the polyisocyanate component consists of 2-methyl-1,5-diisocyanatopentane (MPDI) having the formula (I): ##STR1## which is blocked totally or partially by .epsilon.-caprolactam or acetoxime, or a mixture of the same with 2-ethyl-1,4-diisocyanatobutane (EBDI) having the formula (II): ##STR2## which is blocked totally or partially by .epsilon.-caprolactam or acetoxime, wherein the diisocyanate mixture of (I) and (II) has about 88 to 99% by weight of (I) and about 12 to 1% by weight of (II) and the free isocyanate (NCO) content is up to about 10% by weight.The one-component baking enamels are suitable for application to metal, glass and plastic objects and exhibit excellent flexibility and weather resistance.Type: GrantFiled: May 24, 1984Date of Patent: March 10, 1987Assignee: Chemische Werke Huls AktiengesellschaftInventor: Rainer Gras
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Patent number: 4642249Abstract: The present invention provides a clear lacquer based on polyvinylidene fluoride which comprises:(a) 30 to 45 wt. % of polyvinylidene fluoride with a K value of 40 to 55,(b) 4 to 15 wt. % of an acrylate resin,(c) 33 to 50 wt. % of latent, high boiling solvent,(d) 3 to 15 wt. % of low boiling solvent,(e) 0.01 to 1.0 wt. % of flowing adjuvant,(f) 0.01 to 0.95 wt. % of light protection agent. The present invention also provides a process for coating metallic surfaces, wherein this clear lacquer is applied to a metal surface and stoved at a temperature of from 250.degree. to 350.degree. C.Type: GrantFiled: April 3, 1986Date of Patent: February 10, 1987Assignee: Solvay & Cie, Societe AnonymeInventor: Werner Goll
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Patent number: 4618635Abstract: Described herein are compositions comprising the reaction product of a polyol, a multi-functional isocyanate, a lactone-acrylate adduct and an hydroxyalkyl acrylate. These compositions are suitable for use as curable coatings.Type: GrantFiled: May 17, 1985Date of Patent: October 21, 1986Assignee: Union Carbide CorporationInventors: Claiborn L. Osborn, Joseph V. Koleske, Kenneth Drake
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Patent number: 4609703Abstract: Novel copolymers of acrylic acid and cyanoethylacrylate, and the use of such copolymers as primers for bonding metal-containing coatings to organic polymer substrates, are disclosed. The copolymers of the present invention may be linear or crosslinked, may further comprise hydroxyethylacrylate, and are preferably of low molecular weight when used in solution as a primer.Type: GrantFiled: June 5, 1985Date of Patent: September 2, 1986Assignee: PPG Industries, Inc.Inventor: Thomas G. Rukavina
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Patent number: 4581407Abstract: An essentially isocyanate-free polyurethane polyurea polyethylenic oligomer is disclosed which is unusually strong and elastic. This oligomer is the reaction product of: (1) organic diisocyanate; (2) a stoichiometric deficiency of difunctional materials reactive therewith and consisting essentially of: (A) polyoxyalkylene glycol having a molecular weight of from 200 to 1000; (B) dihydric bisphenol-based alkylene oxide adduct containing from 2-10 alkylene groups per molecule; and (C) polyoxyalkylene diprimary amine having a molecular weight of from 150 to 800. In all of these, the alkylene groups contain from 2-4 carbon atoms. Components (A) and (B) are present in a weight ratio of from 1:4 to 9:1 and component (C) is present to supply from 30 to 60 equivalent percent of the total equivalents of component (2). The polyurethane polyurea so-constituted is capped with monohydric ethylenic compound, such as 2-hydroxyethyl acrylate, to provide a molecular weight in the range of about 5,000 to about 30,000.Type: GrantFiled: February 20, 1985Date of Patent: April 8, 1986Assignee: DeSoto, Inc.Inventor: Steven R. Schmid
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Patent number: 4501829Abstract: A coating composition comprising (A) a polyester resin modified with a lactone having 6 to 8 ring carbon atoms (I) or a mixture of said lactone-modified polyester resin (I) and a non-modified polyester resin (II), the lactone content being from 5 to 40% by weight of the total polyester resin (in solid) (I) or (I+II), the number average molecular weight being 800.about.200 mg KOH/g and wherein the resinous acid value is 2.about.20 mg KOH/g, (B) a crosslinking agent, (C) a pigment and (D) optionally other resins. The composition is useful as an intercoat paint for automobile bodies.Type: GrantFiled: September 6, 1983Date of Patent: February 26, 1985Assignee: Nippon Paint Co., Ltd.Inventors: Shoji Oda, Kunihiko Ehara, Hirotoshi Umemoto, Shinji Nakano
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Polyamide acid composition for preparing polyimide and process for preparing polyimide from the same
Patent number: 4454276Abstract: A polyamide acid composition for preparing a polyimide which can extend the pot life of the composition comprising a solution of a polyamide acid in an organic solvent, the polyamide acid being a precursor of the polyimide, a dehydrating agent, a catalyst and a pot life extending agent which can lower a rate of conversion of the polyamide acid to the polyimide, and the process for preparing the polyimide from said polyamide acid composition. According to the present invention the pot life can be extremely extended to give the composition an enough flowability for a long time without reducing the excellent properties such as a heat resistance and an electric insulation of the obtained polyimide.Type: GrantFiled: September 29, 1982Date of Patent: June 12, 1984Assignee: Kanegafuchi Chkagaku Kogyo Kabushiki KaishaInventors: Junji Uda, Tsuneo Yamamoto, Takumi Kosugi -
Patent number: 4416925Abstract: For the coating of plastics with polyvinylidene fluoride, finely divided polyvinylidene fluoride is dispersed in a solvent mixture of(a) at least one high-boiling, organic solvent with a boiling point up to 250.degree. C., which dissolves polyvinylidene fluoride little or not at all, and(b) at least one strongly polar latent organic solvent for polyvinylidene fluoride, the dispersion obtained is dissolved in(c) at least one low-boiling polar organic solvent with a boiling point up to 120.degree. C., the plastic surface is coated with the solution and the latter is baked on at a temperature of 100.degree. to 300.degree. C.A bake-on varnish suitable for the method contains, for example:3 to 25 wt.-% of polyvinylidene fluoride, 5 to 20 wt.-% of at least one high-boiling organic solvent with a boiling point up to 250.degree. C.,1 to 10 wt.-% of at least one strongly polar latent organic solvent for polyvinylidene fluoride and 60 to 90 wt.-% of a low-boiling polar organic solvent with a boiling point up to 120.Type: GrantFiled: August 24, 1981Date of Patent: November 22, 1983Assignee: SKW Trostberg AktiengesellschaftInventor: Werner Goll
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Patent number: 4407994Abstract: Disclosed is a method for sizing paper wherein the sizing agent employed is a hydrophobic cellulose reactive sizing agent such as a ketene dimer sizing agent. There is employed in combination with the sizing agent a novel sizing accelerator. Disclosed also is a novel sizing composition comprised of the sizing agent and the accelerator, the accelerator being a water-soluble nitrogen-containing reaction product of (1) a water-soluble polyaminopolyamide, such as that derived by reaction of adipic acid and diethylene-triamine; (2) an epihalohydrin, such as epichlorohydrin; and (3) a composition comprising, by weight, from about 20% to about 65% bis(hexamethylene)triamine, said composition being the residue obtained after recovery of hexamethylenediamine from its manufacture by hydrogenation of adiponitrile.Type: GrantFiled: July 2, 1981Date of Patent: October 4, 1983Assignee: Hercules IncorporatedInventors: Ralph A. Bankert, David H. Dumas
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Patent number: 4393160Abstract: This invention relates to novel terpolymers of 3-methylcyclopentene, 2-cyclopentene-1-acetic acid and sulfur dioxide. Positive electron beam resist media prepared from the subject terpolymers possesses excellent sensitivity and development latitude and unexpectedly are developable with conventional aqueous alkaline developers.Type: GrantFiled: February 9, 1982Date of Patent: July 12, 1983Assignee: RCA CorporationInventor: Thomas R. Pampalone
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Patent number: 4341686Abstract: Adhesive products comprising an aminoalkyltrialkoxysilane, polyvinyl chloride powder, silicic acid and an organic solvent are employed to attach cover layers to cellular and non-cellular polyurethanes.Type: GrantFiled: July 29, 1981Date of Patent: July 27, 1982Assignee: BASF AktiengesellschaftInventors: Sarbananda Chakrabarti, John Hutchison, Otto Volkert
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Patent number: 4341683Abstract: Ink formulations for use in printing polyvinyl butyral sheets are described. The formulations comprise polyvinyl formal, and polyvinyl butyral sheets printed using the formulations are found to have a reduced tendency to exhibit blocking.Type: GrantFiled: May 4, 1981Date of Patent: July 27, 1982Assignee: Monsanto CompanyInventor: James A. Snelgrove
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Patent number: 4332706Abstract: Internal reflection of an optical glass is suppressed by applying a coating material comprising a material selected from coal tar and coal tar pitch and a resin selected from vinylidene chloride series copolymers and halogenated epoxy resins.Type: GrantFiled: May 13, 1980Date of Patent: June 1, 1982Assignee: Canon Kabushiki KaishaInventors: Haruo Uehara, Kunio Satomi
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Patent number: 4331581Abstract: A process for forming a paste suitable for the preparation of dispersions and coatings is disclosed, said process comprising (1) dissolving a selectively hydrogenated monoalkenyl arene (A) - conjugated diene (B) block polymer in a first solvent, which first solvent is a good solvent for both the A blocks and the B blocks, (2) adding a second solvent to the solution, wherein said second solvent is a good solvent for the A blocks and a poor solvent for the B blocks, therein forming a suspension of micelles, and (3) adding a third solvent to the suspension of micelles, wherein said third solvent is a poor solvent for both the A blocks and the B blocks, therein forming an elastosol paste.Type: GrantFiled: August 10, 1981Date of Patent: May 25, 1982Assignee: Shell Oil CompanyInventor: Sol Davison
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Patent number: RE30922Abstract: The products of the invention are vinyl end-capped oligomers which are prepared from 2,4-bis (p-aminobenzyl) aniline and a vinyl substituted aromatic monoamine, the principal component of which is the compound whose structure is shown in FIG. 3. The products are prepared from either of two (2) precursors. The first precursor is a compound whose structure is shown in FIG. 2 and which is prepared from 2,4-bis (p-aminobenzyl) aniline, a dianhydride of an aromatic tetracarboxylic acid such as 3,3'4,4'-benzophenonetetracarboxylic acid (BTDA) and a vinyl substituted aromatic monoamine, such as 3-aminophenyl-ethylene (APE). The second precursor is a complex amine salt having the structure shown in FIG. 6 and which is prepared from 2,4-bis-(p-aminobenzyl) aniline, a dialkyl ester of BTDA and APE.Type: GrantFiled: August 25, 1980Date of Patent: May 4, 1982Assignee: Gulf Oil CorporationInventors: William J. Heilman, Daniel J. Hurley