Patents by Inventor Ronald Wevers

Ronald Wevers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7858688
    Abstract: The present invention is directed to improved processes for making plastic articles, and articles made therefrom. In a broad aspect, the invention is directed to improved processes and articles made therefrom, that include the steps of providing as separate materials a first material that includes a polyolefin, a second material including an admixture of from about 45 to 85 wt. % of the total admixture of at least one particulated mineral filler; and from about 15 to 55 wt. % of the total admixture of at least a second polyolefin having a melt index greater than about 150 g/10 min at 190° C./2.16 kg, as measured per ISO 1133 (condition D); applying a shear force to form a molten blend; shaping the molten blend and solidifying the molten blend.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: December 28, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Ronald Wevers, Franciscus J. T. Krabbenborg, Michael Ballot, Jacobus Houg
  • Publication number: 20100310858
    Abstract: An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.
    Type: Application
    Filed: August 17, 2010
    Publication date: December 9, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad M. Moncla, Wenbin Liang
  • Publication number: 20100272946
    Abstract: A carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back surface of the primary backing, (c) an adhesive backing, (d) an optional secondary backing adjacent to the adhesive backing, and (e) at least one olefin block copolymer, especially ethylene based block copolymers An olefin block copolymer is extrusion coated onto the back surface of a primary backing to provide an adhesive backing Additional steps and procedures can include washing or scouring the primary backing and fibers prior to the extrusion step, and utilizing implosion agents The preferred olefin block copolymer is an ethylene based block interpolymers The constructions and methods are suited for making tufted, broad-loom carpet having improved abrasion resistance.
    Type: Application
    Filed: December 19, 2008
    Publication date: October 28, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Randy E. Pepper, David J. Magley, Ronald Wevers, Harold C. Fowler, Selim Yalvac, Colin Lipishan
  • Patent number: 7803865
    Abstract: Aqueous dispersions including at least one thermoplastic resin; at least one dispersing agent; and water; wherein the dispersion has a pH of less than 12 are disclosed along with dispersions including at least one thermoplastic resin; at least one dispersing agent; and water wherein the dispersion has a volume average particle size of less than about 5 ?m. Some dispersions include less than about 4 percent by weight of the dispersing agent based on the weight of the thermoplastic resin. Other dispersions include at least one propylene-rich alpha-olefin interpolymer; at least one dispersing agent; and water. Methods of making such dispersions are also described.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: September 28, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Brad M. Moncla, Matthew J. Kalinowski, Dave Speth, Charles Diehl, Dale Schmidt, Kevin D. Maak, Ronald Wevers
  • Patent number: 7799864
    Abstract: An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: September 21, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad M. Moncla, Wenbin Liang
  • Publication number: 20100216931
    Abstract: The present invention is directed to improved processes for making plastic articles, and articles made therefrom. In a broad aspect, the invention is directed to improved processes and articles made therefrom, that include the steps of providing as separate materials a first material that includes a polyolefin, a second material including an admixture of from about 45 to 85 wt. % of the total admixture of at least one particulated mineral filler; and from about 15 to 55 wt. % of the total admixture of at least a second polyolefin having a melt index greater than about 150 g/10 min at 190° C./2.16 kg, as measured per ISO 1133 (condition D); applying a shear force to form a molten blend; shaping the molten blend and solidifying the molten blend.
    Type: Application
    Filed: April 9, 2010
    Publication date: August 26, 2010
    Applicant: DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Ronald Wevers, Franciscus J.T. Krabbenborg, Michael Ballot, Jacobus Houg
  • Publication number: 20100210778
    Abstract: Disclosed is a carbonate polymer blend composition comprising (a) a carbonate polymer, (b) a propylene polymer, (c) a compatibilizing graft copolymer, (d) a polymer selected from a graft modified propylene polymer and/or an alpha-olefin carboxylic acid copolymer, and/or an olefin block copolymer, optionally (e) a filler, (f) optionally a thermoplastic resin other than (a), (b), (c), or (d) and (g) optionally one or more additive selected from stabilizers, pigments, mold release agents, flow enhancers, or antistatic agents. Said carbonate polymer blend composition has a good balance of physical properties, impact resistance, process-ability, and reduced gloss in molded articles.
    Type: Application
    Filed: August 25, 2008
    Publication date: August 19, 2010
    Inventors: Pascal E.R.E.J. Lakeman, Franciscus J.T. Krabbenborg, Thomas D. Traugott, Ronald Wevers, Nigel Shields
  • Patent number: 7732521
    Abstract: The present invention is directed to improved processes for making plastic articles, and articles made therefrom. In a broad aspect, the invention is directed to improved processes and articles made therefrom, that include the steps of providing as separate materials a first material that includes a polyolefin, a second material including an admixture of from about 45 to 85 wt. % of the total admixture of at least one particulated mineral filler; and from about 15 to 55 wt. % of the total admixture of at least a second polyolefin having a melt index greater than about 150 g/10 min at 190° C./2.16 kg, as measured per ISO 1133 (condition D); applying a shear force to form a molten blend; shaping the molten blend and solidifying the molten blend.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: June 8, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Ronald Wevers, Franciscus J. T. Krabbenborg, Michael Ballot, Jacobus Houg
  • Publication number: 20100120954
    Abstract: An olefine polymer composition comprises a stabilizing amount of a metal deactivator comprising a polymeric hydrazine derivative. The deactivator is of formula (I), in which at least one of R1 and R2 comprise a polymeric radical that includes a substituted or unsubstituted aromatic radical. The olefin polymers include polyethylene and polypropylene.
    Type: Application
    Filed: March 17, 2008
    Publication date: May 13, 2010
    Inventors: Pascal E.R.E.J. Lakeman, Thoi H. Ho, Ronald Wevers
  • Publication number: 20100062209
    Abstract: An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.
    Type: Application
    Filed: November 18, 2009
    Publication date: March 11, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad M. Moncla, Wenbin Liang
  • Patent number: 7652102
    Abstract: A polymeric composition having improved melt extrusion properties comprising: A) an olefin polymer; B) a catalyst neutralizer comprising a cationic derivative of a poly(oxyalkylene) compound; and C) a processing additive composition comprising a fluoropolymer and optionally, an interfacial agent.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: January 26, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Thoi H. Ho, Pascal E. R. E. J. Lakeman, Robin J. Lee, Ronald Wevers
  • Patent number: 7645521
    Abstract: An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: January 12, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad M. Moncla, Wenbin Liang
  • Publication number: 20090253321
    Abstract: The present invention provides an article formed by impregnating a fibrous structure with a compound, the compound including an aqueous dispersion, the dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; (b) at least one polymeric stabilizing agent; and (c) water; and removing at least a portion of the water from the impregnated fibrous structure. The present invention also provides a method of forming a stiffened textile. The method may include the steps of: forming a compound, the compound including an aqueous dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof, (b) at least one polymeric stabilizing agent, and (c) water; impregnating a textile with the compound; and removing at least a portion of the water from the impregnated textile.
    Type: Application
    Filed: December 4, 2006
    Publication date: October 8, 2009
    Inventors: Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad M. Moncla, Miguel A. Prieto Goubert, Wenbin Liang
  • Patent number: 7528080
    Abstract: The present invention provides an article formed by impregnating a fibrous structure with a compound, the compound including an aqueous dispersion, the dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; (b) at least one polymeric stabilizing agent; and (c) water; and removing at least a portion of the water from the impregnated fibrous structure. The present invention also provides a method of forming a stiffened textile. The method may include the steps of: forming a compound, the compound including an aqueous dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof, (b) at least one polymeric stabilizing agent, and (c) water; impregnating a textile with the compound; and removing at least a portion of the water from the impregnated textile.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: May 5, 2009
    Assignee: Dow Global Technologies, Inc.
    Inventors: Miguel A. Prieto, Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad Maurice Moncla
  • Publication number: 20080295985
    Abstract: In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion.
    Type: Application
    Filed: December 4, 2006
    Publication date: December 4, 2008
    Inventors: Brad M. Moncla, Ronald Wevers, Wenbin Liang
  • Publication number: 20080292833
    Abstract: An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.
    Type: Application
    Filed: December 4, 2006
    Publication date: November 27, 2008
    Inventors: Ronald Wevers, James G. Kennedy, Aaron M. Bujnowski, Brad M. Moncla, Wenbin Liang
  • Publication number: 20080261471
    Abstract: A reinforced composite article and method for making the same. The article and method employ at least one elongated member as a reinforcement phase. Specific elongated members are multiple layer structures wherein the layers are each polyolefinic (e.g., at least one of the layers may be a propylene-based polymer, such as a propylene-ethylene copolymer, an isotactic polypropylene homopolymer, or a combination thereof). Optionally, at least one of the layers may include a non-migratory process aid or surface modifier agent. An intermediate form including the elongated member may made and processed (for example, with a step of consolidation) to form a composite article.
    Type: Application
    Filed: October 20, 2005
    Publication date: October 23, 2008
    Applicant: Dow Global Technologies Inc.
    Inventors: Hongyu Chen, Wing S. Chum, Ronald Wevers, David G. McLeod
  • Publication number: 20080254281
    Abstract: Improved microlayer structures and methods typically employing at least 4 stacked layers of polymers (e.g., including alternating layers of components A and B), such as that obtained by coextrusion. The layers each have a thickness of less than about 50 microns. One optional approach involves forming an intermediate form that includes at least one elongated member made from the plurality of layers, from which a shaped composite article may be made.
    Type: Application
    Filed: October 20, 2005
    Publication date: October 16, 2008
    Inventors: Hongyu Chen, Ronald Wevers, David G. McLeod
  • Publication number: 20080248532
    Abstract: A method for making dihydroxyacetone phosphate (DHAP), comprising treating dihydroxyacetone with a bacterial acid phosphatase in the presence of pyrophosphate. The invention further pertains to a method for stereospecifically making, preferably in one pot, a compound of the formula: R—C*H(OH)—C*H(OH)—CO—CH2—OH comprising the steps: a) treating dihydroxyacetone with a bacterial acid phosphatase in the presence of pyrophosphate to make dihydroxyacetone phosphate; b) treating the dihydroxyacetone phosphate with R—CHO and an aldolase, wherein R—CHO is any aldehyde, preferably R is selected from H, unsubstituted or substituted (cyclo)alkyl, and a carbohydrate moiety, and C* stands for a chiral carbon atom to a phosphate of the formula: R—C*H(OH)—C*H(OH)—CO—CH2—OPO3H2; and c) dephosphorylating the phosphate of step b) by treating the phosphate with a bacterial acid phosphatase.
    Type: Application
    Filed: June 29, 2006
    Publication date: October 9, 2008
    Inventors: Teunie Van Herk, Aloysius F. Hartog, Ronald Wever
  • Publication number: 20080241528
    Abstract: The use of a polyester-amide in a hot melt adhesive formulation, wherein the polyester-amide includes a short aliphatic dicarboxylic acid functionality and a short symmetrical, crystallizing amid diol functionality.
    Type: Application
    Filed: September 8, 2006
    Publication date: October 2, 2008
    Inventors: Rene Broos, Rudolf J. Koopmans, Ronald Wevers