| Patent Number |
Title Of Patent |
Date Issued |
| RE39877 |
Non-polymeric acetoacetates as adhesion promoting coalescing agents |
October 9, 2007 |
| This invention provides esters of acetoacetic acid useful as adhesion promoters for waterborne coatings compositions applied to corroded or rusty metal substrates. The esters of acetoacetic acid also function as a coalescing aid in the coating composition. |
| RE37188 |
Processes for the preparation of cyclopropanecarboxylic acid and derivatives thereof |
May 22, 2001 |
| Disclosed is a process for the preparation of cyclopropanecarboxylic acid by the non-catalytic, oxidation of cyclopropanecarboxaldehyde using molecular oxygen as the oxidant. Also disclosed are processes for the preparation of amides, esters and acid chlorides from cyclopropanecarbox |
| RE36719 |
Process for the manufacture of 2,5-dihydrofurans from .gamma.,.delta.-epoxybutenes |
May 30, 2000 |
| Disclosed is a process for the preparation of 2,5-dihydrofurans by the homogeneous, liquid phase isomerization of .gamma.,.delta.-epoxyalkene compounds wherein a .gamma.,.delta.-epoxyalkene compound is isomerized in an inert, organic solvent containing a catalytic amount of a soluble |
| H2132 |
Polyester containers having a reduced coefficient of friction |
November 1, 2005 |
| Polyester containers having a reduced coefficient of friction ("COF") are produced by increasing the surface roughness of the polyester using either thermal crystallization or solvent crystallization. Because the low COF reduces or eliminates friction between polyester containers, the |
| H2088 |
Method for reducing plate-out in a stretch blow molded container |
November 4, 2003 |
| A method for reducing or eliminating plate-out during the process used to produce stretch blow molded containers from polyester preforms by crystallizing the low molecular weight polyester molecules in or on the preform exterior surface before stretch blow molding the preform into a |
| H2083 |
Cellulose acetate film for use in liquid crystal displays |
October 7, 2003 |
| A liquid crystal device having a plurality of pixel electrodes for transmitting light, a first panel having an activation portion for selectively activating the plurality of pixel electrodes, an orientation layer formed on the activation portion, a light shielding pattern formed on t |
| H1987 |
Non-volatile plasticizers and flow aids for polyesters |
August 7, 2001 |
| The use of a specified molecular weight range of poly(alkylene ether)s, such as poly(ethylene glycol) (PEG), poly(tetramethylene glycol) (PTMG), and poly(propylene glycol) (PPG), and end-capped poly(alkylene ether)s, as plasticizers for polyesters such as poly(ethylene terephthalate) (PE |
| H1982 |
Primer coated amorphous plastic films |
August 7, 2001 |
| Water-dissipative copolyesters are primer coatings for substantially amorphous polymeric films providing improved ink adhesion and improved slip characteristics. The primer coatings comprise copolyester having repeat units from a dicarboxylic acid component comprising 8 to 25 mole pe |
| H1857 |
Method for reducing peel defects in adhesive bonded plastics |
September 5, 2000 |
| A method for producing a processed polymeric sheet to be adhesively secured to a cover to form a seal, the sheet having properties such that the seal does not have branching peel defects when it is separated. A polymeric sheet is formed from a source of polymeric material, and at least o |
| H1669 |
Copolyester-ether polymers |
July 1, 1997 |
| A segmented copolyester-ether polymer comprises 9.5 to 33 percent by weight hard segment residues of polybutylene terephthalate and 0.5 to 67 percent by weight soft segment residues of a polyether polyol comprised of n units of residue (1) and m units of residue (2), wherein the total va |
| D513517 |
Fashion eyeglasses |
January 10, 2006 |
|
| D512738 |
Decorative eyeglasses |
December 13, 2005 |
|
| D485855 |
Active-wear eyeglasses |
January 27, 2004 |
|
| D484172 |
Creative eyeglasses |
December 23, 2003 |
|
| D484170 |
Sports eyeglasses |
December 23, 2003 |
|
| D484169 |
Bridge-less (or custom) eyeglasses |
December 23, 2003 |
|
| D459657 |
Liquid container |
July 2, 2002 |
|
| 7615671 |
Hydrogenation process for the preparation of 1,2-diols |
November 10, 2009 |
| Disclosed is a process for the preparation of 1,2-glycols by hydrogenation of 1,2-dioxygenated organic compounds in the presence of a catalyst composition comprising a ruthenium compound, a trivalent phosphorus compound selected from 1,1,1-tris(diarylphosphinomethyl)alkyl or substitu |
| 7615663 |
Optimized production of aromatic dicarboxylic acids |
November 10, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently producing and purifying aromatic dicarboxylic acids (e.g., terephthalic acid). The optimized system employs at least one zoned slurry concentrator to enhance purification of the aromatic dicarboxylic acid. |
| 7608733 |
Optimized liquid-phase oxidation |
October 27, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7608732 |
Optimized liquid-phase oxidation |
October 27, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7602108 |
Micro-coextruded film modified with piezoelectric layers |
October 13, 2009 |
| Disclosed are layered films having a combination of piezoelectric layers that change dimension with applied voltage and non-piezoelectric layers. The layered structures can form a wide range of electrically switchable optical films. These films have applications in displays, polarizers, |
| 7601795 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester productio |
October 13, 2009 |
| The present invention relates to a process by which a carboxylic acid/diol mixture is obtained from a slurry or cake carboxylic acid product without isolation of a substantially dry carboxylic acid solid. More specifically, the present invention relates to a process by which a tereph |
| 7601193 |
Gas-liquid separator utilizing turning vanes to capture liquid droplets as well as redirect the |
October 13, 2009 |
| A gas-liquid separation enhancer includes a plurality of longitudinally extending turning vanes distributed within a bent conduit section. At least a portion of the vanes have a bend that redirects a portion of a flowing gas stream from an initial direction to a final direction. Each |
| 7589231 |
Optimized liquid-phase oxidation |
September 15, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7586010 |
Phosphonite-containing catalysts for hydroformylation processes |
September 8, 2009 |
| Disclosed are catalyst solutions for preparing aldehydes with variable normal- to iso-aldehyde ratios comprising one or more phosphonite ligands, rhodium, and a hydroformylation solvent. Also disclosed is a process for preparing aldehydes with variable normal- to iso-aldehyde ratios |
| 7586000 |
Optimized liquid-phase oxidation |
September 8, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7585905 |
Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers |
September 8, 2009 |
| 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 solvents with minimal vi |
| 7582804 |
Process for the preparation of a tetraalkycyclobutane-1,3-diol using a promoted-copper catalyst |
September 1, 2009 |
| The present disclosure relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of a pr |
| 7582793 |
Optimized liquid-phase oxidation |
September 1, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7582792 |
Carbonylation process |
September 1, 2009 |
| Disclosed is a carbonylation process for the production of carboxylic acids, carboxylic acid esters and/or carboxylic acid anhydrides wherein a carbonylation feedstock compound selected from one or more organic oxygenates such as alcohols, ethers, and esters is contacted with carbon |
| 7582690 |
Stabilized aliphatic polyester compositions |
September 1, 2009 |
| Disclosed are stabilized aliphatic polyester compositions comprising an aliphatic polyester, a HALS, and a tris-aryl-S-triazine UV absorber that show low embrittlement, haze formation, and discoloration during weathering. Also disclosed are aliphatic polyester compositions comprising |
| 7579428 |
Process for preparation of polyesters without solid state polymerization |
August 25, 2009 |
| Polyesters prepared using germanium catalyst in the finishing stage at temperatures less than 285.degree. C. exhibit low loss of Ge catalyst and excellent low acetaldehyde generating characteristics. |
| 7576171 |
Pacifiers comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol |
August 18, 2009 |
| Described are pacifiers comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4 |
| 7572936 |
Optimized liquid-phase oxidation |
August 11, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7572932 |
Optimized liquid-phase oxidation |
August 11, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7569722 |
Process for removal of benzoic acid from an oxidizer purge stream |
August 4, 2009 |
| A process is disclosed that relates to the removal of impurities, specifically benzoic acid, from a mother liquor produced in the synthesis of carboxylic acid, typically terephthalic acid. |
| 7568361 |
Optimized liquid-phase oxidation |
August 4, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7566802 |
Process for energy recovery and water removal in the preparation of aromatic carboxylic acids |
July 28, 2009 |
| This invention relates to a process for the manufacture of aromatic carboxylic acids by exothermic liquid phase oxidation of an aromatic feedstock. More particularly, this invention relates to the efficient energy recovery of the exotherm produced by the liquid phase oxidation of an |
| 7566795 |
Preparation of retinyl esters |
July 28, 2009 |
| Long-chain esters of retinol are prepared via a chemoenzymatic process from short-chain retinyl esters and an appropriate long-chain acid or ester in the presence of an enzyme. Use of various additives enhance the yield of the desired ester and facilitated its purification. |
| 7563926 |
Optimized liquid-phase oxidation |
July 21, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low |
| 7560600 |
Process for the preparation of a tetraalkylcyclobutane-1,3-diol using a promoted nickel-based ca |
July 14, 2009 |
| The present invention relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of a 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of |
| 7557243 |
Enriched terephthalic acid composition |
July 7, 2009 |
| A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. This invention also relates to a process and the |
| 7556784 |
Optimized production of aromatic dicarboxylic acids |
July 7, 2009 |
| Disclosed is an optimized process and apparatus for more efficiently and economically producing aromatic discarboxylic acids. The process reduces costs associated with hydrogenation by forming a final composite product containing unhydrogenated acid particles. |
| 7550627 |
Processes for producing aromatic dicarboxylic acids |
June 23, 2009 |
| Processes for producing aromatic dicarboxylic acids are disclosed, the processes including a step of combining in a reaction medium a dialkyl aromatic, a solvent comprising water and a saturated organic acid having from 2-4 carbon atoms, and an oxygen-containing gas, at a temperature |
| 7546747 |
Process for production of a dried carboxylic acid cake suitable for use in polyester production |
June 16, 2009 |
| The present invention relates to a process by which a dried carboxylic acid cake is obtained from a slurry or cake carboxylic acid product through the use of at least one counter current wash. More specifically, the present invention relates to a process by which a dried terephthalic |
| 7541499 |
Process for the recovery of phosphorus and iodine containing catalyst components |
June 2, 2009 |
| Disclosed is a process for the recovery of phosphorus and/or iodine containing catalyst components, present as an organophosphorus compound such as trihydrocarbylphosphine compounds and tetrahydrocarbylphosphonium compounds, from a solution of at least one such organophosphorus compound |
| 7541423 |
Polyester process using a pipe reactor |
June 2, 2009 |
| The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes includ |
| 7541407 |
Process for adding methine UV light absorbers to PET prepared by direct esterification |
June 2, 2009 |
| A method for incorporating a UV light absorbing compound into a polyester prepared using direct esterification of reactants selected from a dicarboxylic acid and a diol. The method comprises reacting the reactants in an esterifying reactor under conditions sufficient to form an ester |
| 7540386 |
In-line classifier for powdered products |
June 2, 2009 |
| A classifier for classifying particulates entrained in a flowing stream of gas is configured such that a change of direction of gas flow causes particles to impinge upon a target, heavier particles being trapped in a downwardly extending fluidized trap. The classifier is easily const |
