William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8178199 | Nonwovens produced from multicomponent fibers A water non-dispersible polymer microfiber is provided comprising at least one water non-dispersible polymer wherein the water non-dispersible polymer microfiber has an equivalent diameter of less than 5 microns and length of less than 25 millimeters. A process for ... | 05/15/2012 |
| 8163385 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise mea... | 04/24/2012 |
| 8158777 | Cellulose esters and their production in halogenated ionic liquids Ionic liquids and cellulose ester compositions and processes for producing ionic liquids and cellulose esters. Cellulose esters can be produced by esterifying cellulose in a reaction medium comprising one or more halide ionic liquids and at least one binary componen... | 04/17/2012 |
| 8158244 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise mea... | 04/17/2012 |
| 8153782 | Reformation of ionic liquids Processes for recycling an ionic liquid comprising employing an initial ionic liquid as a solvent and/or reagent resulting in a modified ionic liquid and thereafter subjecting at least a portion of the modified ionic liquid to at least one anion exchange process to ... | 04/10/2012 |
| 8148518 | Cellulose esters and their production in carboxylated ionic liquids Ionic liquids and cellulose ester compositions and processes and apparatus for producing ionic liquids and cellulose esters. Cellulose esters can be produced by dissolving cellulose in carboxylated ionic liquids and thereafter contacting the cellulose solution with ... | 04/03/2012 |
| 8148278 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise mea... | 04/03/2012 |
| 8124676 | Basecoat coating compositions comprising low molecular weight cellulose mixed esters A basecoat composition is provided comprising: a) at least one film-forming polymer selected from the group consisting of acrylic polyols and polyester polyols; b) at least one rheological modifier; c) at least one solvent; d) at least one pigment; e) optionally, at... | 02/28/2012 |
| 8106111 | Antimicrobial effect of cycloaliphatic diol antimicrobial agents in coating compositions A cycloaliphatic diol antimicrobial agent selected from the group consisting of 1,1-cyclohexanedimethanol, 1,2-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, and 2,2,4,4-tetramethyl-1,3-cyclobutanediol was found to provide antimicrobial activity in coating compos... | 01/31/2012 |
| 8067488 | Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefrom This invention relates a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate and processes to produce the cellulose solution. Another aspect of this invention relates to shaped articles prepared from a cellulose solution compri... | 11/29/2011 |
| 8039531 | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a wide range of organic solven... | 10/18/2011 |
| 8003715 | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a wide range of organic solven... | 08/23/2011 |
| 7919631 | Production of ionic liquids Ionic liquids and processes and apparatus for their production. The ionic liquids can be low sulfur and low halide carboxylated ionic liquids. The ionic liquids can be produced via formation of at least one intermediate carboxylated ionic liquid, and thereafter subj... | 04/05/2011 |
| 7902094 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are water-dispersible fibers derived from sulfopolyesters having a Tg of at least 25° C. The fibers may contain a single sulfopolyester or a blend of a sulfopolyester with a water-dispersible or water-nondispersible polymer. Also disclosed are multicompon... | 03/08/2011 |
| 7893138 | Low molecular weight carboxyalkylcellulose esters and their use as low viscosity binders and modifiers in coating compositions Carboxyalkylcellulose esters are disclosed having relatively low degrees of polymerization. These new carboxyalkylcellulose esters include carboxymethylcellulose acetate, carboxymethylcellulose acetate propionate, and carboxymethylcellulose acetate butyrate. The inv... | 02/22/2011 |
| 7892993 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise mea... | 02/22/2011 |
| 7879994 | Cellulose interpolymers and method of oxidation This invention provides cellulose ester interpolymers, and methods of oxidizing cellulose interpolymers and cellulose ester interpolymers. The invention also provides routes to access carboxylated cellulose ester derivatives with high acid numbers wherein the carbox... | 02/01/2011 |
| 7879942 | Switchable adhesive article for attachment to skin and method of using the same A hypoallergenic adhesive article employing a switchable pressure sensitive adhesive (PSA) composition comprising one or more amphiphilic polyesters in physical mixture with a humectant. When contacted with a liquid of low-ion content, the adhesive undergoes a reduc... | 02/01/2011 |
| 7723466 | Aromatic-acrylate tackifier resins A tackifier resin is provided comprising monomer units from at least one aromatic monomer and at least one acrylate monomer; wherein the tackifier resin has a low residual monomer concentration. In other embodiments of the invention, the tackifier resin does not sig... | 05/25/2010 |
| 7687143 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise mea... | 03/30/2010 |
| 7683134 | Maleated high acid number high molecular weight polypropylene of low color A process for the manufacture of maleated polypropylenes having an acid number greater than 6, a yellowness index color of no greater than 76, and a number average molecular weight of at least 20,000. The process for making the maleated polypropylenes includes formi... | 03/23/2010 |
| 7635745 | Sulfopolyester recovery Processes for the recovery of a sulfopolyester polymer from an aqueous dispersion and a sulfopolyester concentrate are provided. Particularly, a sulfopolyester concentrate, from which the sulfopolyester may be recovered and reused, are formed by processes such as ev... | 12/22/2009 |
| 7585905 | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions Cellulose mixed esters are disclosed having low molecular weights and low degrees of polymerization. These new cellulose mixed esters include cellulose acetate propionate and cellulose acetate butyrate. The esters exhibit solubility in a wide range of organic solven... | 09/08/2009 |
| 7408007 | Maleated high acid number high molecular weight polypropylene of low color A process for the manufacture of maleated polypropylenes having an acid number greater than 4.5, a yellowness index color of no greater than 76, and a number average molecular weight of at least 20,000. The process for making the maleated polypropylenes includes for... | 08/05/2008 |
| 7396871 | Rubber modified acrylic and/or vinyl hybrid resins This invention relates to a rubber modified acrylic and/or vinyl resin comprising the mini-emulsion polymerization product of at least one rubber compound substantially dissolved in at least one acrylic monomer and/or vinyl monomer. ... | 07/08/2008 |
| 7388039 | UV-curable, non-chlorinated adhesion promoters Modified polyolefins are produced by reacting a functionalized polyolefin with one or more ethylenically unsaturated compounds having a functional group reactive with the functional group on the polyolefin. These modified polyolefins may then polymerize in the prese... | 06/17/2008 |
| 7332540 | Aromatic-acrylate tackifier resins A tackifier resin is provided comprising monomer units from at least one aromatic monomer and at least one acrylate monomer; wherein the tackifier resin has a low residual monomer concentration. In other embodiments of the invention, the tackifier resin does not sig... | 02/19/2008 |
| 7332046 | Methods of blocking stains on a substrate to be painted, and composites suitable for use in such methods Methods of blocking stains on a substrate to be painted are disclosed, as are stain-blocking composites that are useful according to the disclosed methods. In a broad aspect, the methods include the steps of contacting a stained portion of the substrate with a dry f... | 02/19/2008 |
| 7262242 | Aromatic/acrylate tackifier resin and acrylic polymer blends An adhesive composition comprising at least one tackifier resin and at least one acrylic polymer is provided wherein the tackifier resin comprises monomer repeating units from at least one aromatic monomer and at least one acrylate monomer; and wherein the tackifier... | 08/28/2007 |
| 7238732 | Radiation-curable adhesive compositions A radiation-curable adhesive composition comprising at least one tackifier resin and at least one radiation-curable composition is provided wherein the tackifier resin comprises monomer repeating units from at least one aromatic monomer and at least one acrylate mon... | 07/03/2007 |
| 7232535 | Process for coextruding a tacky amorphous propylene copolymer composition with a low viscosity polyolefin and article prepared thereby Disclosed is a process for producing non-blocking slats of normally tacky amorphous propylene copolymers. The process entails coextruding the normally tacky amorphous propylene copolymer with a low viscosity polyolefin such as a polyethylene wax forming a core of am... | 06/19/2007 |
| 7223814 | Hot melt adhesives with improved performance window An adhesive composition is provided comprising at least one copolymer comprising repeating units from ethylene and at least one α-olefin, at least one tackifier resin, and at least one grafted polyolefin; wherein said adhesive composition has an onset of fiber tear... | 05/29/2007 |
| 7176259 | High density polyethylene films with improved barrier properties This invention relates High Density Polyethylene (HDPE) films having improved barrier properties. More particularly, the invention relates to HDPE films containing hydrocarbon resins having improved moisture barrier. The invention also relates to masterbatches for u... | 02/13/2007 |
| 7144933 | Modified asphalt compositions A modified asphalt composition is provided comprising at least one plastomer, at least one elastomer, and asphalt. More specifically, a modified asphalt composition is provided comprising an oxidized polyethylene, a styrene-butadiene-styrene block copolymer, and asp... | 12/05/2006 |
| 7071361 | Processes for the preparation of high molecular weight saturated ketones Continuous single-step processes for producing higher molecular weight ketones are disclosed that involve a liquid-phase crossed condensation of an aldehyde with a ketone in the presence of a hydrogenation catalyst and a small amount of a catalyst comprising a conce... | 07/04/2006 |
| 7052540 | Aqueous dispersions of carboxylated cellulose esters, and methods of making them Aqueous dispersions of carboxylated cellulose esters are disclosed having a low organic solvent content. These dispersions can be prepared using a volatile hydrophilic organic solvent and a coupling organic solvent having a lower volatility, the volatile hydrophilic... | 05/30/2006 |
| 6979751 | Processes for the preparation of higher molecular weight ketones Processes for producing higher molecular weight ketones are disclosed that include the steps of feeding an aldol catalyst solution, a lower molecular weight aldehyde, and a lower molecular weight ketone, through a reactor provided with a solid hydrogenation catalyst... | 12/27/2005 |
| 6969740 | High density polyethylene films with improved moisture barrier properties This invention relates High Density Polyethylene (HDPE) films having improved barrier properties. More particularly, the invention relates to HDPE films containing hydrocarbon resins having improved moisture barrier. The invention also relates to masterbatches for u... | 11/29/2005 |
| 6960694 | Processes for preparing β-hydroxy-ketones and α,β-unsaturated ketones Processes for producing β-hydroxy-ketones and α,β-unsaturated ketones are disclosed which comprise the crossed condensation of an aldehyde with a ketone in the presence of a hydroxide or alkoxide of alkali metal or an alkaline earth metal as catalyst. The product... | 11/01/2005 |
| 6939944 | Inhibition of rosin crystallization The invention relates to the inhibition of crystallization in rosin and rosin-based materials through the use of crystallization inhibitors. More specifically, the crystallization inhibitor is selected from the group consisting of carboxylic acids and the salts of c... | 09/06/2005 |