Patents by Inventor Werner Hölzl

Werner Hölzl 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).

  • 3-phenyl-benzofuran-2-one diphosphate derivatives as stabilizers
    Patent number: 11767338
    Abstract: The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M. Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound against degradation of the organic material, an additive composition comprising the compound, processes for manufacturing the compound and an intermediate involved therein.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: September 26, 2023
    Assignee: BASF SE
    Inventors: Werner Hoelzl, Roswell E. King, III, Jean-Roch Pauquet
  • Stabilized polyolefin compositions comprising benzofuranones and hindered amine light stabilizers
    Patent number: 11623979
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus—containing benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: April 11, 2023
    Assignee: BASF SE
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Amine Light Stabilizers
    Publication number: 20220259405
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus- containing benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 18, 2022
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Phenolic Antioxidants
    Publication number: 20220145053
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 12, 2022
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized polyolefin compositions comprising benzofuranones and hindered phenolic antioxidants
    Patent number: 11274197
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 15, 2022
    Assignee: BASF SE
    Inventors: Roswell E. King, III, Werner Hoelzl
  • 3-PHENYL-BENZOFURAN-2-ONE DIPHOSPHATE DERIVATIVES AS STABILIZERS
    Publication number: 20210253617
    Abstract: The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M. Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound against degradation of the organic material, an additive composition comprising the compound, processes for manufacturing the compound and an intermediate involved therein.
    Type: Application
    Filed: June 17, 2019
    Publication date: August 19, 2021
    Inventors: Werner Hoelzl, Roswell E. King, III, Jean-Roch Pauquet
  • POLYURETHANE FOAM OR POLYETHER POLYOL STABILIZED WITH A BENZOFURANONE-PHOSPHITE DERIVATIVE
    Publication number: 20210246256
    Abstract: The invention relates to a composition, which comprises the components (a) a polyurethane foam or a polyether polyol; and (b) a compound of formula (I) wherein R1 is H or C1-alkyl. A process for manufacturing the aforementioned composition, the use of a component (b) for stabilizing component (a) against degradation and a specific additive mixture comprising component (b) and as component (c) a first further additive, which is a specific aromatic amine, are described.
    Type: Application
    Filed: June 20, 2019
    Publication date: August 12, 2021
    Inventors: Cinzia Tartarini, Werner Hoelzl, III, Roswell E. King, III, Heinz Herbst, Jorge Espinos Arizti
  • Stabilized polyolefin compositions comprising benzofuranones and hindered amine light stabilizers
    Patent number: 10941286
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 9, 2021
    Assignee: BASF SE
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized polyolefin compositions comprising benzofuranones and acid scavengers
    Patent number: 10941285
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more acid scavengers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 9, 2021
    Assignee: BASF SE
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized polyolefin compositions comprising benzofuranones and organophosphorus stabilizers
    Patent number: 10934423
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more organophosphorus stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 2, 2021
    Assignee: BASF SE
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized polyolefin compositions comprising benzofuranones and hindered phenolic antioxidants
    Patent number: 10913841
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: February 9, 2021
    Assignee: BASF SE
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Phenolic Antioxidants
    Publication number: 20200216639
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: July 9, 2020
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Amine Light Stabilizers
    Publication number: 20200216638
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus—containing benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: July 9, 2020
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Acid Scavengers
    Publication number: 20200181364
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more acid scavengers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: June 11, 2020
    Inventors: Roswell E. King, III, Werner Hoelzl
  • 3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers
    Patent number: 10590263
    Abstract: The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula (I-P), (I-O) or (I-M). Further embodiments are a compound of formula (I-P), (I-O) or (I-M), a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound and a process for manufacturing the compound. The organic material is for example a polymer.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: March 17, 2020
    Assignee: BASF SE
    Inventors: Werner Hoelzl, Roswell E King, III, Jean-Roch Pauquet
  • 3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers
    Patent number: 10259931
    Abstract: The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound, a process for manufacturing the compound and intermediates involved therein.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 16, 2019
    Assignee: BASF SE
    Inventors: Werner Hoelzl, Bruno Rotzinger, Kai-Uwe Schoening, Roswell Easton King
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Amine Light Stabilizers
    Publication number: 20190010319
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 10, 2019
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Acid Scavengers
    Publication number: 20190010318
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more acid scavengers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 10, 2019
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Organophosphorus Stabilizers
    Publication number: 20190010307
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more organophosphorus stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 10, 2019
    Inventors: Roswell E. King, III, Werner Hoelzl
  • Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Phenolic Antioxidants
    Publication number: 20190010315
    Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 10, 2019
    Inventors: Roswell E. King, III, Werner Hoelzl