Patents Assigned to Hercules Incorporated
  • Use of monochlorourea to treat industrial waters
    Patent number: 8420012
    Abstract: The present invention comprises a method for controlling (e.g. inhibiting) or killing microorganisms in an aqueous environment. The method includes the addition of an effective amount of monochlorourea or modified monochlorourea to an aqueous solution. This aqueous solution may be a cooling water system, a recreational water system, a water treatment facility, or any circulating water system (i.e. a papermaking facility). A method of producing monochlorourea or modified monochlorourea is also disclosed.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: April 16, 2013
    Assignee: Hercules Incorporated
    Inventors: Russell J. Jerusik, Maren David, Jay C. Henderson
  • Paper for gypsum wallboard
    Patent number: 8404365
    Abstract: Paper useful in the manufacture of gypsum wallboard is surfaced treated with an additive to improve the bonding affinity of the paper for wet plaster thereby permitting the manufacture of gypsum wallboard with little or no added starch and reduced amounts of water. A surface treating adhesive, a method of converting the paper and wallboards containing the paper are also described.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: March 26, 2013
    Assignee: Hercules Incorporated
    Inventor: Charles L. Burdick
  • Adhesive compositions
    Patent number: 8399544
    Abstract: The invention is directed to composition, preparation and use of composite materials based on an adhesive with solids levels above 45% by weight that contain stable polyamidoamine-epihalohydrin resins (PAE resins) of solids greater than 40% where the relative high solids of the PAE enables the high solids content of the adhesive. Furthermore, at least 45% of the solids portion of the adhesive is made up of a combination of the solids of the PAE resin and the solids of the protein source. The invention is also directed an adhesive comprised of the PAE in combination with a soy protein source. The invention is also directed toward use of the adhesive in composite materials and in particular wood containing composite materials, and more specifically wood fiber or particle based composites.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: March 19, 2013
    Assignee: Hercules Incorporated
    Inventors: Daniel F. Varnell, Bryan K. Spraul, Michael A. Evans
  • Hydrophobically modifed poly[ethylene glycol] for use in pitch and stickies control in pulp and papermaking processes
    Patent number: 8388806
    Abstract: Methods for inhibiting the depositions of organic contaminants from pulp in pulp and papermaking systems are disclosed. Hydrophobically modified poly[ethylene glycol] are added to the pulp or applied to deposition-prone surfaces of a papermaking system.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: March 5, 2013
    Assignee: Hercules Incorporated
    Inventors: Qu-Ming Gu, Huai N. Cheng, William S. Carey, Robert A. Gelman, Jennifer L. Rittenhouse-Pruss, Erin A. S. Doherty
  • READILY DISSOLVABLE SOLID NONIONIC SYNTHETIC ASSOCIATIVE THICKENERS
    Publication number: 20130030091
    Abstract: The presently disclosed and claimed inventive concept(s) relates to a particulate product. The particulate product comprises a nonionic synthetic associative thickener NSAT) rheology modifier and a dissolution promotion water soluble additive. The NSAT rheology modifier is selected from the group consisting of hydrophobically-modified ethoxylated urethane (HEUR), hydrophobically-modified polyethylene glycol and hydrophobically-modified polyacetal-polyether (HMPAPE). The particulate product is incorporated into a waterborne paint formula.
    Type: Application
    Filed: July 27, 2012
    Publication date: January 31, 2013
    Applicant: HERCULES INCORPORATED
    Inventors: Prachur Bhargava, Paul C. Gillette, Tuyen T. Nguyen
  • ADHESIVE ADDITIVE
    Publication number: 20130005867
    Abstract: A lignocellulosic-based composite composition comprising an adhesive and a water soluble polymer that increases the tack of the composition.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Applicant: HERCULES INCORPORATED
    Inventor: Daniel F. Varnell
  • Cationic synthetic polymers with improved solubility and performance in surfactant-based systems and use in personal care and household applications
    Patent number: 8343469
    Abstract: The present invention is related to surfactant-based formulations comprising the polyelectrolytes and blends of such polyelectrolytes with non-cellulosic cationic polysaccharide polymers. The surfactant-based formulations exhibit improved clarity of the resulting formulations, their improved conditioning of keratin substrates, textile substrates, and hard-surface substrates, their improved deposition of dispersed phase materials onto keratin substrates, textile substrates, and hard-surface substrates, their improved lather performance, and their improved rheology in applications such as personal care and household care products and textile applications.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: January 1, 2013
    Assignee: Hercules Incorporated
    Inventors: Patric Bierganns, Paquita Erazo-Majewicz, Nabil Naouli
  • RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER
    Publication number: 20120291971
    Abstract: A method of improving retention and drainage in a papermaking process is disclosed. The addition of an associative polymer, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry to improve retention and drainage is disclosed. Additionally a method to improve retention and drainage comprising addition of an organic microparticle, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry is disclosed. A composition comprising an associative polymer, and a poly(vinylamine) and optionally further comprising cellulose fiber is disclosed.
    Type: Application
    Filed: July 17, 2012
    Publication date: November 22, 2012
    Applicant: HERCULES INCORPORATED
    Inventors: Frank J. Sutman, John C. Harrington, Robert A. Gelman
  • Retention and drainage in the manufacture of paper
    Patent number: 8308902
    Abstract: A method of improving retention and drainage in a papermaking process is disclosed. The addition of an associative polymer, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry to improve retention and drainage is disclosed. Additionally a method to improve retention and drainage comprising addition of an organic microparticle, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry is disclosed. A composition comprising an associative polymer, and a poly(vinylamine) and optionally further comprising cellulose fiber is disclosed.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: November 13, 2012
    Assignee: Hercules Incorporated
    Inventors: Frank Sutman, John Harrington, Robert Gelman
  • ORGANOPOLYSILICONE POLYETHER DRAINAGE AID
    Publication number: 20120273145
    Abstract: The present invention relates to a drainage aid composition and its use in pulp washing process. More particulary, this invention relates to drainage aid composition of silicone polyethers prepared via zinc catalized dehydrogenative coupling of alcohol terminated polyethers with silicone oligomers and polymers comprising of at least one silicon bonded hydrogen. The compostion of this invention exhibit excellent drainage properties.
    Type: Application
    Filed: April 25, 2012
    Publication date: November 1, 2012
    Applicant: HERCULES INCORPORATED
    Inventors: Zoha Al-badri, Todd S. Bolton
  • Process To Produce An Acylated Vinylamine-Containing Polymer And Its Application As A Papermaking Additive
    Publication number: 20120264888
    Abstract: A process for producing an acylated vinylamine-containing polymer is disclosed. The acylated vinylamine-containing polymer is produced by reacting a vinylamine-containing polymer with at least one acylating agent.
    Type: Application
    Filed: April 13, 2012
    Publication date: October 18, 2012
    Applicant: HERCULES INCORPORATED
    Inventors: Qu-Ming GU, Jonathan M. McKay
  • SIZING COMPOSITIONS
    Publication number: 20120248366
    Abstract: Disclosed is a sizing composition comprising a hydrophobic paper sizing agent and a hydrophobically modified poly(aminoamide). Also disclosed is a method of making the sizing composition and a method of using the sizing composition.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Applicant: Hercules Incorporated
    Inventor: Susan M. EHRHARDT
  • CHEMICAL ADDITIVES AND USE THEREOF IN STILLAGE PROCESSING OPERATIONS
    Publication number: 20120245370
    Abstract: A method is provided for the use of a chemical additive to improve the separation of oil from the process stream (whole stillage, thin stillage or syrup) generated as a byproduct in corn to ethanol production.
    Type: Application
    Filed: February 10, 2012
    Publication date: September 27, 2012
    Applicant: HERCULES INCORPORATED
    Inventors: Paul W. Sheppard, McCord Pankonen, Jeffrey T. Gross
  • Oil-well cement fluid loss additive compostion
    Patent number: 8258085
    Abstract: The present invention relates to compositions and use of fluidized polymer suspensions containing allyloxy linkage and its functional derivatives, and water soluble polymers for use in oil field applications as fluid additives for drilling and cementing processes.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: September 4, 2012
    Assignee: Hercules Incorporated
    Inventors: Mohand Melbouci, Teng-Shau Young
  • LOW PH SOY FLOUR-NON UREA DILUENT AND METHODS OF MAKING SAME
    Publication number: 20120214909
    Abstract: The present invention provides an improved composition of soy with a non-urea diluent at a pH of less than 5.0, having improved viscosity stability with excellent wet and dry strengths, with more efficient production and lower production costs. Optionally, the composition may also include adding a crosslinking agent, additional diluent or both to the soy-non urea diluent adhesive and/or adding an emulsified or dispersed polymer.
    Type: Application
    Filed: February 16, 2012
    Publication date: August 23, 2012
    Applicant: HERCULES INCORPORATED
    Inventors: James M. Wescott, Michael J. Birkeland
  • Enhanced Dry Strength and Drainage Performance by Combining Glyoxalated Acrylamide-Containing Polymers with Cationic Aqueous Dispersion Polymers
    Publication number: 20120186764
    Abstract: A process is disclosed for the production of paper with enhanced dry strength comprising adding to the wet end of a paper machine, (a) a glyoxalated acrylamide-containing polymer and (b) a cationic aqueous dispersion polymer. Guidelines for the properties of the polymers that make this coadditive system effective are established. Polymer properties discussed include molecular weight, cationic charge, polymer composition and functionalization, and relative additive amounts.
    Type: Application
    Filed: January 20, 2012
    Publication date: July 26, 2012
    Applicant: HERCULES INCORPORATED
    Inventor: Jonathan M. McKay
  • Retention and drainage in the manufacture of paper
    Patent number: 8206553
    Abstract: A method of improving retention and drainage in a papermaking process is disclosed. The method provides for the addition of an associative polymer, prepared by an inverse emulsion polymerization process that utilizes multiple, discrete additions of initiator. Additionally, a process for preparation of an associative polymer, prepared by an inverse emulsion polymerization process that utilizes multiple discrete additions of initiator is disclosed.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: June 26, 2012
    Assignee: Hercules Incorporated
    Inventors: Robert A. Gelman, Erin A. S. Doherty
  • CONTROL OF FLUID MIGRATION IN NON-LATEX BONDED WET-WIPES
    Publication number: 20120121671
    Abstract: The present invention describes wet-wipe composition with a liquid portion that is impregnated in a substrate, wherein the liquid portion contains a thickening or gelling polymer along with a thickening or gelling agent which substantially reduces fluid migration of the liquid portion within a wet-wipes stack during storage wherein the thickening or gelling agent is incorporated into the substrate through means of physical entanglement or thermal bonding.
    Type: Application
    Filed: November 11, 2011
    Publication date: May 17, 2012
    Applicant: HERCULES INCORPORATED
    Inventor: Joel Erwin GOLDSTEIN
  • Raw cotton linters composition, method of making, and uses thereof
    Patent number: 8173799
    Abstract: A composition of a loose mass of comminuted raw cotton linter fibers has a bulk density of at least 8 g/100 ml and at least 50% of the fibers in the mass passes through a US standard sieve size #10 (2 mm opening). This composition is made by obtaining a loose mass of first cut, second cut, third cut, or mill runs raw cotton linters or mixtures thereof and comminuting the loose mass of raw cotton linters to a size wherein at least 50% pass through a US standard sieve size #10 (2 mm opening). This composition is used to make cellulose ether derivatives.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: May 8, 2012
    Assignee: Hercules Incorporated
    Inventors: Paul C Gillette, Thomas G. Majewicz, Arjun C. Sau
  • APPARATUS, SYSTEM AND METHOD FOR EMULSIFYING OIL AND WATER
    Publication number: 20120103546
    Abstract: An apparatus, system and method for emulsifying oil and water, such as for emulsifying a sizing agent for use in treating paper or paperboard, introduces a continuous phase under pressure through a continuous phase nozzle of a venturi apparatus and into a mixing section. A dispersed phase is introduced optionally under pressure into the mixing section of the venturi apparatus. The emulsion formed in the mixing section is directed through a mixed phase nozzle and out of the venturi apparatus. The mixed phase nozzle diameter of the venturi apparatus is larger than the continuous phase nozzle diameter at a ratio of greater than 1:1 and less than 4:1.
    Type: Application
    Filed: August 4, 2009
    Publication date: May 3, 2012
    Applicant: Hercules Incorporated
    Inventor: Olivier Maniere