Patents Represented by Attorney Ellen T. Dec
-
Patent number: 5500472Abstract: Hot melt adhesive compositions consisting essentially of: a) 15 to 45% by weight of at least one ethylene n-butyl acrylate copolymer containing 15 to 40% by weight n-butyl acrylate and having a melt index of at least 600; b) 25 to 55% of a terpene phenolic tackifying resin or a hydrogenated derivative thereof, the resin having a Ring and Ball softening point less than 125.degree. C.; c) 15 to 40% by weight of a low melting point synthetic Fischer-Tropsch wax; and d) 0 to 1.5% stabilizer. The adhesives are characterized by an excellent balance of high and low temperature performance without sacrifice to machinability or thermal stability.Type: GrantFiled: February 17, 1995Date of Patent: March 19, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: Ingrid Liedermooy, Julie Birch, Daniel C. Stauffer, Paul P. Puletti
-
Patent number: 5498224Abstract: In a process for manufacturing degradable cigarette filters wherein adhesive is applied to at least one longitudinal edge of the plug wrap paper, a bond is made while the adhesive is molten and the resultant bond is held in compression for sufficient time to prevent bond movement, the improvement which comprises, using as the adhesive, from about 20 to 60% by weight of an intermediate or high DS starch ester having from about 2 to 18 carbon atoms in the ester component and a DS (degree of substitution) of from about 0.3 to 2.5, 5 to 40% by weight of a polar wax, 5 to 50% by weight of a plasticizing diluent, 0 to 25% by weight of a compatible tackifier and 0 to 3% by weight of an antioxidant.Type: GrantFiled: July 20, 1994Date of Patent: March 12, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: Thomas F. Kauffman, Joseph Wieczorek, Jr., Stephen F. Hatfield
-
Patent number: 5496861Abstract: Emulsion-containing cosmetic compositions, wherein the emulsion comprises an aqueous dispersion of 15 to 40% solids, by weight, of an enzymatically degraded starch, which starch has been debranched by treatment with an alpha-1,6-D-glucanohydrolase to yield up to 100%, by weight, short chain amylose, are provided herein. Also provided are oil-free cosmetic compositions and cosmetic stick compositions, comprising 1 to 16% enzymatically debranched starch; 2 to 35% water; 35 to 90% hydrophobic base, selected from the group consisting of oil, wax and fat, and 5 to 20% emulsifier(s), with the balance of the compositions comprising one or more adjuncts selected from dye(s), fragrance(s), flavor(s), sunscreen agent(s), opacifier(s), and filler(s). Also provided is a method for formulating a cosmetic stick composition.Type: GrantFiled: January 24, 1994Date of Patent: March 5, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: William Rouse, 3, Maria Valles, Gary T. Martino, Chung-Wai Chiu
-
Patent number: 5468286Abstract: A process for preparing a tablet excipient, comprising the steps:(a) enzymatically treating a starch containing greater than 90% amylopectin with an alpha-1,6-D-glucanohydrolase to debranch the starch and yield a mixture comprising a starch component selected from the group consisting of amylopectin, partially debranched amylopectin, and a combination thereof, and at least 20%, by weight, of a short chain amylose of from about 5 to 65 anhydroglucose units linked by alpha-1,4-D-glucoside bonds; and(b) drying the starch mixture,wherein the starch mixture is characterized by sufficient compressibility for use as an excipient, a binder, a binder-disintegrant, a binder-diluent, a filler or diluent, a moisture absorbent, a glidant, lubricant or flow agent, a surface gloss or hardness agent, or a combination thereof, in tablets.Type: GrantFiled: September 30, 1994Date of Patent: November 21, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Chung Wai-Chiu, James J. Kasica
-
Patent number: 5464564Abstract: Power surge resistor pastes comprising palladium/silver, glass and dopant(s) are described for use in the manufacture of power surge resistor devices employed for power surge protection applications. The resultant surge resistors are characterized in their ability to dissipate repeated voltage surges equal in voltage and duration to surges created by lightning with less than 0.05% change in sheet resistance.Type: GrantFiled: May 17, 1994Date of Patent: November 7, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventor: Orville W. Brown
-
Patent number: 5455299Abstract: Aqueous liquid for primers are prepared from a copolymer consisting essentially of the following components (A), (B) and (C) in aqueous medium where (A) is a cationic monomer represented by the following general formula (1) ##STR1## wherein Y is organic or inorganic monovalent anion; m is an integer 0 to 3 and n is an integer 1 to 3;(B) is an alkoxysilane monomer represented as the following general formula (2) ##STR2## (C) is an ethylenic unsaturated monomer, and wherein a structural unit derived from the (A) component accounts for not less than 5% of the copolymer, a structural unit derived from the (B) component accounts for not less than 0.5% by weight of the copolymer and a structural unit derived from the (C) component accounts for not more than 94.5% by weight of the copolymer.Type: GrantFiled: February 17, 1994Date of Patent: October 3, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventor: Masao Maegawa
-
Patent number: 5453144Abstract: In a process for manufacturing degradable cigarette filters wherein adhesive is applied to at least one longitudinal edge of the plug wrap paper, a bond is made while the adhesive is molten and the resultant bond is held in compression for sufficient time to prevent bond movement, the improvement which comprises, using as the adhesive, a water sensitive hot melt adhesive comprising 50 to 90 weight percent of a graft copolymer which copolymer comprises 40 to 85 weight percent of at least one vinyl monomer and 15 to 60 weight percent of at least one polyalkylene oxide polymer, 0 to 50 weight percent of a compatible tackifying resin, 5 to 40 weight percent of a polar wax, 0 to 3 weight percent antioxidant and 0 to 30 weight percent of another compatible water soluble or water sensitive thermoplastic polymer; characterized in that the resulting cigarette filter will open when exposed to moisture.Type: GrantFiled: March 4, 1994Date of Patent: September 26, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Thomas F. Kauffman, Joseph Wieczorek, Jr., Stephen F. Hatfield
-
Patent number: 5439960Abstract: A woodworking adhesive composition prepared by a two stage emulsion polymerization procedure wherein the first stage comprises the step of emulsion polymerizing vinyl acetate with 0.1 to 6% by weight of a post-crosslinking monomer in the presence of polyvinyl alcohol to produce a polyvinyl alcohol stabilized copolymer having a Tg within the range of +10.degree. to +40.degree. C. and containing no pre-crosslinking monomers and the second stage comprises the step of emulsion polymerizing methyl methacrylate to produce a methyl methacrylate homo- or copolymer containing at least 75% by weight methyl methacrylate and having a Tg within the range of +50.degree. to +120.degree. C., further characterized in that the ratio of the polymer produced in the first stage to the polymer produced in the second stage is within the range of 10:1 to 10:6 and wherein the first stage polymer and second stage monomer mixture are not equilibrated prior to the second stage polymerization.Type: GrantFiled: September 2, 1994Date of Patent: August 8, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Paul R. Mudge, George Hespe
-
Patent number: 5435851Abstract: A continuous coupled jet-cooking/spray-drying process for processing or co-processing inherently water-dispersible or water-soluble crystalline polymers, such as starches, starch mixtures, gums (e.g., locust bean gum, carrageenan, agar), viscosifying proteins (e.g., gelatin), starch-gum mixtures, and fully hydrolyzed polyvinyl alcohols, is disclosed. The process involves the steps of: (a) forming a slurry or paste of the polymer and water, (b) jet-cooking the slurry or paste with steam at a temperature sufficient to fully disperse or solubilize the polymer, (c) immediately conveying and introducing, under elevated temperature and pressure, the jet-cooked dispersion or solution into a nozzle of a spray-dryer chamber, (d) atomizing the jet-cooked dispersion or solution through the nozzle, (e) drying the atomized mist within the spray-dryer chamber at a temperature sufficient to dry the polymer; and (f) recovering the dried polymer as a water-dispersible or water-soluble powder.Type: GrantFiled: May 9, 1994Date of Patent: July 25, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: James J. Kasica, James L. Eden
-
Patent number: 5434216Abstract: Water resistant emulsions for woodworking adhesives may be prepared using an emulsion polymer, the polymer being prepared in the presence of 1 to 2.5% by weight of 88% hydrolyzed polyvinyl alcohol and 1 to 4% by weight of 95-99.5% (or above) hydrolyzed polyvinyl alcohol.Type: GrantFiled: May 7, 1993Date of Patent: July 18, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Paul R. Mudge, Pravin K. Kukkala, John Walker
-
Patent number: 5430127Abstract: Aqueous emulsions, at least 80% of which have been polymerized, are treated by a process which comprises the separate steps of: a) initially treating the emulsion with a sufficient amount of a free radical generator in an amount and for a time sufficient to reduce the residual monomer content to from about 1500 to about 6000 part per million, and b) subsequently subjecting the emulsion to steam stripping under vacuum, without significantly degrading or destabilizing the emulsion, to thereby reduce the residual monomer content to from about 5 to about 500 parts per million.Type: GrantFiled: November 2, 1993Date of Patent: July 4, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventor: Paul Kelly
-
Patent number: 5415926Abstract: In a process for the preparation of N-alkylol amide monomers wherein a polymerizable amide is reacted with an aldehyde, the improvement which comprises adjusting the pH of the resulting N-alkylol amide monomer to pH 10-11 and adding thereto an alkali or alkali earth metal borohydride at a temperature of -10.degree. to 20.degree. C. so as to convert the residual free aldehyde in the equilibrium mixture to the corresponding alcohol.Type: GrantFiled: February 25, 1993Date of Patent: May 16, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: John C. Leighton, Rama S. Chandran
-
Patent number: 5411789Abstract: A composition is disclosed which forms a bend sensor when coated on a flexible substrate. A bend sensor prepared from the composition is also disclosed. The composition contains a brittle binder which cracks under a stress, electrically conductive elements and a graphite additive which stabilizes the degree of cracking. The composition forms a bend sensor which upon a change in degree of flexing produces an electrical signal in the form of a change in resistance in circuits which include the sensor.Type: GrantFiled: February 26, 1992Date of Patent: May 2, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventor: Keith J. Margolin
-
Patent number: 5403884Abstract: A process for flocking cured or uncured elastomeric substrates comprising the steps of applying to the substrate an aqueous adhesive comprising 10 to 100% (dry weight) of an alkaline dispersion of an ethylene carboxylic acid copolymer and 0 to 90% of an aqueous elastomeric dispersion; electrostatically applying flocking fibers thereto; and drying the thus flocked substrate.Type: GrantFiled: January 13, 1993Date of Patent: April 4, 1995Assignee: National Starch And Chemical Investment Holding CorporationInventor: Witold Perlinski
-
Patent number: 5401455Abstract: A non-blocking hot melt adhesive mass is prepared by (a) lining a rigid mold with a plastic film, said film being meltable together with the adhesive composition and blendable into said molten adhesive composition, and said mold being a heat sink or being in contact with a heat sink; (b) pouring molten hot melt adhesive into the lined mold; and (c) allowing the molten hot melt adhesive to solidify.Type: GrantFiled: August 25, 1994Date of Patent: March 28, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Stephen Hatfield, Paul Puletti, Robert Giese, Roger Thorpe
-
Patent number: 5399639Abstract: A process for the polymerization of polymers of itaconic acid and vinyl acetate comprising the step of polymerizing(i) from 10 to 95 mole percent of monomer units of the formula I: ##STR1## wherein each of R.sub.1 and R.sub.2, which may be the same or different, represents a hydrogen atom, a methyl group or an ethyl group, and M is a hydrogen atom or an alkyl (C.sub.1 to C.sub.18) chain or an organic group such as an amino containing functionality;(ii) from 5 to 90 mole percent of monomer units of the formula II: ##STR2## wherein R.sub.3 represents a hydrogen atom or the group --COCH.sub.3 ; and(iii) from 0 to 45 mole percent of a ethylenically unsaturated copolymerizable comonomer, said polymerization being carried out using semi-batch polymerization procedures at a temperature of 60.degree. to 200.degree. C. in the presence of a substantially anhydrous alcoholic solvent.Type: GrantFiled: July 12, 1993Date of Patent: March 21, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Paul T. Kimpton, Philip A. Lagar
-
Patent number: 5391608Abstract: A woodworking adhesive composition prepared by a two stage emulsion polymerization procedure wherein the first stage comprises the step of emulsion polymerizing vinyl acetate with 0.1 to 6% by weight of a post-crosslinking monomer in the presence of polyvinyl alcohol to produce a polyvinyl alcohol stabilized copolymer having a Tg within the range of +10.degree. to +40.degree. C. and containing no pre-crosslinking monomers and the second stage comprises the step of emulsion polymerizing methyl methacrylate to produce a methyl methacrylate homo- or copolymer containing at least 75% by weight methyl methacrylate and having a Tg within the range of +50.degree. to +120.degree. C., further characterized in that the ratio of the polymer produced in the first stage to the polymer produced in the second stage is within the range of 10:1 to 10:6 and wherein the first stage polymer and second stage monomer mixture are not equilibrated prior to the second stage polymerization.Type: GrantFiled: September 3, 1993Date of Patent: February 21, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Paul R. Mudge, George Hespe
-
Patent number: 5387643Abstract: In present invention, cationic particle having two-layer structure wherein copolymerized resin comprising a specific copolymer is protected with a film of water soluble resin is contained in aqueous medium. In this way, a glossy film can be obtained by employing the composition of the cationic micro-emulsion; moreover, this film is superior in waterproof, weatherproof, and the like. This composition of the cationic micro-emulsion is effective as top coat material for painting, sealer, and the like.Type: GrantFiled: February 17, 1994Date of Patent: February 7, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventor: Masao Maegawa
-
Patent number: 5373682Abstract: A non-blocking hot melt adhesive mass is packaged by directly pouring or pumping the molten adhesive into a cylindrical plastic tube, the cylindrical tube being in contact with a heat sink. The resultant adhesive package is provided in a readily handable cartridge form which may be produced in a continuous line operation.Type: GrantFiled: December 23, 1992Date of Patent: December 20, 1994Assignee: National Starch and Chemical Investment Holding CorporationInventors: Stephen Hatfield, Shelley Gore, David Fame, Anthony Rindone
-
Patent number: D368918Type: GrantFiled: May 24, 1995Date of Patent: April 16, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventor: Paul C. DeBiasse