Patents by Inventor Kai-Uwe Schoening

Kai-Uwe Schoening 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: 20220169614
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Paul Adriaan VAN DER SCHAAF, Fritz BLATTER, Martin SZELAGIEWICZ, Kai-Uwe SCHOENING
  • Patent number: 11161813
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 2, 2021
    Assignee: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoening, Shrirang Bhikaji Hindalekar
  • Publication number: 20210002227
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Paul Adriaan VAN DER SCHAAF, Fritz BLATTER, Martin SZELAGIEWICZ, Kai-Uwe SCHOENING
  • Publication number: 20200190264
    Abstract: The present invention relates to a process for the preparation of a polyarylethersulfone-polyalkylene oxide block copolymer (PPC) by converting a reaction mixture (RG) which comprises, among others, at least one aromatic dihalogen sulfone, at least one dihydroxy component comprising trimethylhydroquinone and at least one polyalkylene oxide. The present invention furthermore relates to a polyarylethersulfone-polyalkylene oxide block copolymer (PPC) obtainable by the inventive process and to its use in a membrane (M) and to a membrane (M) comprising the polyarylethersulfone-polyalkylene oxide block copolymer (PPC). Furthermore, the present invention relates to a method for the preparation of a membrane (M).
    Type: Application
    Filed: July 12, 2018
    Publication date: June 18, 2020
    Applicant: BASF SE
    Inventors: Martin WEBER, Kai-Uwe SCHOENING, Christian MALETZKO
  • Publication number: 20200157285
    Abstract: The present invention relates to a process for the preparation of a sulfonated polyarylene ether sulfone polymer (sP) by converting a reaction mixture (RG) which comprises, among others, at least one non-sulfonated aromatic dihalogen sulfone, at least one sulfonated aromatic dihalogen sulfone and at least one aromatic dihydroxy component comprising trimethylhydroquinone. The present invention furthermore relates to a sulfonated polyarylene ether sulfone polymer (sP) obtainable by the inventive process and to its use in a membrane (M). Furthermore, the present invention relates to a membrane (M) comprising this sulfonated polyarylene ether sulfone polymer (sP) and to a method for the preparation of the membrane (M).
    Type: Application
    Filed: July 12, 2018
    Publication date: May 21, 2020
    Inventors: Martin WEBER, Christian MALETZKO, Kai-Uwe SCHOENING
  • Publication number: 20200148644
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 14, 2020
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Paul Adriaan VAN DER SCHAAF, Fritz BLATTER, Martin SZELAGIEWICZ, Kai-Uwe SCHOENING
  • Publication number: 20200123107
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Applicant: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoening, Shrirang Bhikaji Hindalekar
  • Publication number: 20190256469
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Paul Adriaan Van Der Schaaf, Fritz Blatter, Martin Szelagiewicz, Kai-Uwe Schoening
  • 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
  • Patent number: 10196334
    Abstract: The present invention relates to a process for the preparation of 2,6-di-tert-butyl phenol by reacting phenol with isobutylene in presence of an aluminum phenoxide catalyst, comprising i) preparing an aluminum phenoxide catalyst and phenol comprising mixture a) by mix-ing aluminum metal with phenol, and activating the catalyst by heating the mixture to a temperature of 100 to 180° C., and ii) carrying out a reaction b) by reacting mixture a) with an isobutylene comprising stream comprising 20 to 90% by weight of isobutylene and 10 to 80% by weight of 1-butene and/or 2-butene, which reaction is carried out under pressure and the maximum pressure is 5 to 20 bar.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: February 5, 2019
    Assignee: BASF SE
    Inventors: Kai-Uwe Schoening, Walid A. Al-Akhdar, Tiziano Nocentini, Gerard Vilain
  • Publication number: 20180346425
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: August 3, 2018
    Publication date: December 6, 2018
    Applicant: Nissan Chemical Industries, Ltd.
    Inventors: Paul Adriaan Van Der Schaaf, Fritz Blatter, Martin Szelagiewicz, Kai-Uwe Schoening
  • Patent number: 10113052
    Abstract: A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) where R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently from each other H, C1-C8-alkyl, C4-C8-cycloalkyl, phenyl, C1-C4-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR?1, —C(=0)-N(R?2)(R?3), —CN, phenyl, which is unsubstituted or substituted by one or more C1-C8-alkyl, C4-C8-alkoxy, C5-C7-cycloalkyl or halogen, —H or —S02-phenyl; when n is 2 A is —C(=0)-0-Z1—O—C(=0)-, —C(=0)-N(R?1)—Z2—N(R?2)—C(=0)- or piperazine-N,N?-biscarbonyl.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: October 30, 2018
    Assignee: BASF SE
    Inventors: Walter Fischer, Abdel-Ilah Basbas, Kai-Uwe Schoening, Cinzia Tartarini, Werner Hölzl, Bruno Rotzinger
  • Patent number: 10072136
    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, a process for manufacturing the compound and an intermediate involved therein.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: September 11, 2018
    Assignee: BASF SE
    Inventors: Werner Hoelzl, Bruno Rotzinger, Kai-Uwe Schoening, Rick King, III
  • Publication number: 20180244595
    Abstract: The present invention relates to a process for the preparation of 2,6-di-tert-butyl phenol by reacting phenol with isobutylene in presence of an aluminum phenoxide catalyst, comprising i) preparing an aluminum phenoxide catalyst and phenol comprising mixture a) by mix-ing aluminum metal with phenol, and activating the catalyst by heating the mixture to a temperature of 100 to 180° C., and ii) carrying out a reaction b) by reacting mixture a) with an isobutylene comprising stream comprising 20 to 90% by weight of isobutylene and 10 to 80% by weight of 1-butene and/or 2-butene, which reaction is carried out under pressure and the maximum pressure is 5 to 20 bar.
    Type: Application
    Filed: September 7, 2016
    Publication date: August 30, 2018
    Applicant: BASF SE
    Inventors: Kai-Uwe SCHOENING, Walid AL-AKHDAR, Tiziano NOCENTINI, Gerard VILAIN
  • Publication number: 20180201760
    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: Application
    Filed: March 14, 2018
    Publication date: July 19, 2018
    Applicant: BASF SE
    Inventors: Werner Hoelzl, Bruno Rotzinger, Kai-Uwe Schoening, Roswell Easton King
  • Patent number: 9969864
    Abstract: The present invention relates to symmetric diesters of hydroxyalkyl-4-hydroxy-tetraalkylpiperidine compounds and their use as light stabilizers. They are compatible with and soluble in coating formulations of different polarity.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: May 15, 2018
    Assignee: BASF SE
    Inventors: Wolfgang Peter, Adalbert Braig, Ulrich Berens, Kai-Uwe Schöning, Markus Grob, Cinzia Tartarini, Tania Weyland
  • Patent number: 9951207
    Abstract: The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula 1-P, 1-O or I-M. Further embodiments are a compound of formula 1-P, 1-O or 1-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: February 13, 2015
    Date of Patent: April 24, 2018
    Assignee: BASF SE
    Inventors: Werner Hoelzl, Bruno Rotzinger, Kai-Uwe Schoening, Roswell Easton King
  • Publication number: 20180029987
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: October 5, 2017
    Publication date: February 1, 2018
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Paul Adriaan VAN DER SCHAAF, Fritz Blatter, Martin Szelagiewicz, Kai-Uwe Schoening
  • Publication number: 20170226323
    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, a process for manufacturing the compound and an intermediate involved therein.
    Type: Application
    Filed: August 3, 2015
    Publication date: August 10, 2017
    Applicant: BASF SE
    Inventors: Werner HOELZL, Bruno ROTZINGER, Kai-Uwe SCHOENING, Rick KING, III
  • Publication number: 20170066905
    Abstract: The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula 1-P, 1-O or I-M. Further embodiments are a compound of formula 1-P, 1-O or 1-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: Application
    Filed: February 13, 2015
    Publication date: March 9, 2017
    Applicant: BASF SE
    Inventors: Werner HOELZL, Bruno ROTZINGER, Kai-Uwe SCHOENING, Roswell Easton KING