Patents by Inventor Bernfried A. Messner

Bernfried A. Messner 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: 6743391
    Abstract: A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distribution of superabsorbent polymer ranging from about 40 micrometers to about 890 micrometers.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: June 1, 2004
    Assignee: Stockhausen GmbH & Co. KG
    Inventors: Fang Sun, Bernfried A. Messner, Heather S. Jones
  • Publication number: 20030118820
    Abstract: A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distribution of superabsorbent polymer ranging from about 40 micrometers to about 890 micrometers.
    Type: Application
    Filed: November 21, 2002
    Publication date: June 26, 2003
    Inventors: Fang Sun, Bernfried A. Messner, Heather S. Jones
  • Publication number: 20030118821
    Abstract: A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distribution of superabsorbent polymer ranging from about 40 micrometers to about 890 micrometers.
    Type: Application
    Filed: November 21, 2002
    Publication date: June 26, 2003
    Inventors: Fang Sun, Bernfried A. Messner, Heather S. Jones
  • Patent number: 6565981
    Abstract: A composite of a substrate having an application of superabsorbent polymer. The composite is made by applying, directly onto the substrate, an application of a polymer that will, upon being subjected to radiation, convert to a superabsorbent polymer. The substrate with applied polymer is subjected to radiation, such as being heated at a sufficient temperature for a sufficient time, to obtain the composite of substrate with superabsorbent polymer adhered to it.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: May 20, 2003
    Assignee: Stockhausen GmbH & Co. KG
    Inventors: Bernfried Messner, Whei-Neen Hsu, Robert Agne
  • Patent number: 6514615
    Abstract: A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distribution of superabsorbent polymer ranging from about 40 micrometers to about 890 micrometers.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: February 4, 2003
    Assignee: Stockhausen GmbH & Co. KG
    Inventors: Fang Sun, Bernfried A. Messner, Heather S. Jones
  • Patent number: 6482344
    Abstract: A method for providing improved absorbency against pressure characteristics to non-surface crosslinked superabsorbent polymer fibers.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: November 19, 2002
    Assignee: Stockhausen GmbH & Co. KG
    Inventors: Bernfried A. Messner, Whei-Neen Hsu, Mark C. Joy
  • Patent number: 6124391
    Abstract: A particulate material composition of superabsorbent polymer particles, wherein less than about 60% by weight of the superabsorbent polymer particles will pass through a U.S. Standard 50 mesh sieve. The composition has anti-caking properties and also reduced dusting. The composition can be produced by mixing the superabsorbent polymer particles with an inorganic powder, such as clay.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: September 26, 2000
    Assignee: Stockhausen GmbH & Co. KG
    Inventors: Fang Sun, Heather S. Jones, Thomas A. Kaiser, Whei-Neen Hsu, Ronald L. Molen, Peter A. Deaton, Bernfried A. Messner
  • Patent number: 5837789
    Abstract: The present invention relates to superabsorbent cross-linked polymers for watery liquids, which are built-up of partially neutralized monomers having monoethylenlcally unsaturated acid groups, optionally further monomers copolymerizable therewith, as well as polymers optionally suitable as graft basis, and which can be manufactured by using a cross-linker/monomer combination ofCH.sub.2 .dbd.CHR.sup.6 --CO--(OCHR.sup.3 --CHR.sup.3).sub.z O--CH.sub.2 --CHR.sup.6 .dbd.CH.sub.2CH.sub.2 .dbd.CHR.sup.6 --R.sup.5 --(OCHR.sup.3 --CHR.sup.3).sub.v OR.sup.4R.sup.1 --?O(CHR.sup.3 --CHR.sup.3 O).sub.u --CO--R.sup.2 !.sub.x, and/or di- or triallylamine and/or bisacrylamidewithR.sup.1 : multivalent C2-10-alkyl,R.sup.2 : linear or branched C2-10-alkenyl,R.sup.3 : H, CH.sub.3, C.sub.2 H.sub.5,R.sup.4 : H, linear or branched C1-10-alkyl,R.sup.6 : CO, CH.sub.2R.sup.8 : H, CH.sub.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: November 17, 1998
    Assignee: Stockhausen GmbH & Co. KG
    Inventors: Dolf Stockhausen, Hans-Georg Hartan, Helmut Brehm, Gerd Jonas, Bernfried Messner, Klaus Pflueger
  • Patent number: 5480934
    Abstract: An aqueous, low-viscosity, water-soluble polymeric dispersion containing a polymer (A) is prepared by copolymerizing monomers:(a1) 99 to 70 weight % of at least one water-soluble monomer,(a2) 1 to 30 weight % of at least one hydrophobic monomer and,(a3) 0 to 20 weight % of at least one amphiphilic monomer, which monomers constitute 100 weight % of the polymers forming material which polymer (A) has an average molecular weight M.sub.W (mean weight) of at least 5.times.10.sup.5 Dalton, said process comprising:a first step i) of reacting said monomer ingredients in an aqueous dispersion in the presence of at least one polymeric dispersing agent (D) thereby preparing a dispersion of polymer (A); and a second step ii) of adding at least one polymeric dispersion agent (D), in an aqueous solution, to the dispersion.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: January 2, 1996
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Bernfried Messner, Carl Joachim, Gunter Schmitt, Manfred Braum, Peter Quis
  • Patent number: 5403883
    Abstract: The invention relates to aqueous dispersions of water soluble polymers, formed by polymerization of a mixture A of various monomer components (a1, a2, and possibly a3) in the presence of a polymeric dispersant D; wherewith the mixture A is comprised of the following different monomera1 (in the amount of 99-70 wt. %), comprised of at least one water soluble monomer,a2 (in the amount of 1-30 wt. %), comprised of at least one hydrophobic monomer, and (possibly)a3 (in the amount of 0-20 wt. %), comprised of at least one amphipathic monomer, wherewith in each instance the sum of the amounts of a1, a2, and a3 is 100%;and wherewith the water soluble polymers have a mean molecular weight M.sub.w (gravimetric mean) of at least 10.sup.6 Dalton.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: April 4, 1995
    Assignee: Roehm Gmbh Chemische Fabrik
    Inventors: Bernfried Messner, Peter Quis, Guenter Schmitt, Gabriele Silva, Manfred Braum
  • Patent number: 5151481
    Abstract: The invention relates to polymer materials which contain liquid crystal phases and have mesogenic groups which are bonded chemically directly or via a spacer and contain a 2-cyanoacrylic acid ester unit.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: September 29, 1992
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Heino Finkelmann, Bernfried Messner