Patents by Inventor Roswell E. King

Roswell E. King 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).

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20170210859
    Abstract: A method of melt blending a polypropylene and the melt blended polypropylene therefrom, comprising providing a base-polypropylene having a MFR of less than 15 g/10 min and a molecular weight distribution (Mw/Mn) within the range from 5 to 16, and comprising hindered phenol and phosphorous-type antioxidants, and within the range from 5 ppm to 4000 ppm of an alkyl radical scavenger relative to the total weight of the components to form a melt blended polypropylene; melt blending the melt blended polypropylene at a temperature of at least 210° C.; and isolating a melt blended, melt blended polypropylene.
    Type: Application
    Filed: June 25, 2015
    Publication date: July 27, 2017
    Inventors: George J. Pehlert, Mosha H. Zhao, Roswell E. King
  • Patent number: 8304477
    Abstract: Disclosed are mixtures of oxyalkylene bridged bis- and tris-phosphite esters of formulae I and II where R is hydrogen or methyl, n and n? are independently an integer from 1 to 45 and R1, R2 and R3 are each independently hydrogen, straight or branched chain alkyl of 1 to 12 carbon atoms, phenylalkyl of 7 to 9 carbon atoms, phenylalkyl of 7 to 9 carbon atoms substituted on the phenyl ring by one to three straight or branched chain alkyl of 1 to 12 carbon atoms or R1, R2 and R3 are each independently —(CH2)k—COOR4 where k is 0, 1 or 2 and R4 is hydrogen or straight or branched chain alkyl of 1 to 20 carbon atoms. The mixtures of formula I and II are liquid at ambient conditions and are effective stabilizers for polyolefins.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: November 6, 2012
    Assignee: BASF SE
    Inventors: Roswell E. King, Stanley Padegimas, Marie A. McGregor, legal representative, Brian Bakke, Lucas Moore, Sai P Shum, Robert Cordova
  • Publication number: 20100240810
    Abstract: Disclosed are mixtures of oxyalkylene bridged bis- and tris-phosphite esters of formulae I and II where R is hydrogen or methyl, n and n? are independently an integer from 1 to 45 and R1, R2 and R3 are each independently hydrogen, straight or branched chain alkyl of 1 to 12 carbon atoms, phenylalkyl of 7 to 9 carbon atoms, phenylalkyl of 7 to 9 carbon atoms substituted on the phenyl ring by one to three straight or branched chain alkyl of 1 to 12 carbon atoms or R1, R2 and R3 are each independently —(CH2)k—COOR4 where k is 0, 1 or 2 and R4 is hydrogen or straight or branched chain alkyl of 1 to 20 carbon atoms. The mixtures of formula I and II are liquid at ambient conditions and are effective stabilizers for polyolefins.
    Type: Application
    Filed: January 26, 2010
    Publication date: September 23, 2010
    Inventors: Roswell E. King, Stanley Padegimas, Marie A. McGregor, Brian Bakke, Lucas Moore, Sai P. Shum, Robert Cordova
  • Patent number: 7531664
    Abstract: Novel flame retarding compounds that comprise at least one sterically hindered nitroxyl, hydroxylamine or hydrocarbyloxyamine moiety and at least one conventional organohalogen or organophosphorus flame retardant moiety, represented by where HA is independently of each other a sterically hindered nitroxyl, sterically hindered hydroxylamine or sterically hindered hydrocarbyloxyamine moiety, L is independently of each other a direct bond or chemical linking group, FRM is independently of each other an organohalogen or an organophosphorus flame retardant moiety, and x, y and z are each independently greater than or equal to 1, are especially effective towards providing flame retardancy to organic polymer substrates.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: May 12, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Malisa V. Troutman, Ramanathan Ravichandran, Redina Kote, Roswell E. King