Patents by Inventor GEORGINA MUELLER

GEORGINA MUELLER 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).

  • Process for the preparation of acylphosphanes
    Patent number: 10273258
    Abstract: The present invention provides a process for the preparation of mono- and bisacylphosphanes based on formula (I): as well as for their corresponding oxides or sulfides. The present invention further relates to photoinitiators obtainable by said process.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: April 30, 2019
    Assignee: ETH ZUERICH
    Inventors: Hansjoerg Gruetzmacher, Georgina Mueller
  • Derivatives of bisacylphosphinic acid, their preparation and use as photoinitiators
    Patent number: 10040810
    Abstract: Bisacylphosphine oxide or bisacylphosphine sulfide compounds of formula (I) or (II) wherein R1, R2, R3, R1a, R2a and R3a independently of each other are C1-C4alkyl, C1-C4alkoxy or halogen; X is O, NR5 or S; or, if R4 is Cl, F or Br, X is a direct bond; Y is O or S; n is 1 or 2; R4, if n is 1, for example is hydrogen, (CO)R6, (CO)OR6, (CO)NR5R6, (SO2)—R6, C1-C28alkyl, R4, if n=2, is for example C1-C18alkylene; R5 is for example hydrogen, or C1-C12alkyl; R6 is for example C1-C12alkyl; R7, R8 and R9 independently of each other for example are C1-C4alkyl; R10 is for example C2-C18alkylene; X1, is O or S; m is 1, 2 or 3; Q represents one or two inorganic or organic cations with a charge of m+; are suitable photoinitiators, available by a claimed process.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 7, 2018
    Assignee: BASF SE
    Inventors: Georgina Müller, Hansjörg Grützmacher, Kurt Dietliker
  • PROCESS FOR THE PREPARATION OF ACYLPHOSPHANES
    Publication number: 20180002357
    Abstract: The present invention provides a process for the preparation of mono- and bisacylphosphanes based on formula (I): as well as for their corresponding oxides or sulfides. The present invention further relates to photoinitiators obtainable by said process.
    Type: Application
    Filed: May 24, 2017
    Publication date: January 4, 2018
    Applicant: ETH ZUERICH
    Inventors: Hansjoerg GRUETZMACHER, Georgina MUELLER
  • Process for the preparation of acylphosphanes
    Patent number: 9701700
    Abstract: The present invention provides a process for the preparation of mono- and bisacylphosphanes based on formula (I): as well as for their corresponding oxides or sulfides. The present invention further relates to photoinitiators obtainable by said process.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: July 11, 2017
    Assignee: ETH ZUERICH
    Inventors: Hansjoerg Gruetzmacher, Georgina Mueller
  • DERIVATIVES OF BISACYLPHOSPHINIC ACID, THEIR PREPARATION AND USE AS PHOTOINITIATORS
    Publication number: 20160039851
    Abstract: Bisacylphosphine oxide or bisacylphosphine sulfide compounds of formula (I) or (II) wherein R1, R2, R3, R1a, R2a and R3a independently of each other are C1-C4alkoxy or halogen; X is O, NR5 or S; or, if R4 is Cl, F or Br, X is a direct bond; Y is O or S; n is 1 or 2; R4, if n is 1, for example is hydrogen, (CO)R6, (CO)OR6, (CO)NR5R6, (SO2)—R6, C1-C28alkyl, R4, if n=2, is for example C1-C18alkylene; R5 is for example hydrogen, or C1-C12alkyl; R6 is for example C1-C12alkyl; R7, R8 and R9 independently of each other for example are C1-C4alkyl; R10 is for example C2-C18alkylene; X, is O or S; m is 1, 2 or 3; Q represents one or two inorganic or organic cations with a charge of m+; are suitable photoinitiators, available by a claimed process.
    Type: Application
    Filed: December 16, 2013
    Publication date: February 11, 2016
    Inventors: Georgina MÜLLER, Hansjörg GRÜTZMACHER, Kurt DIETLIKER
  • A PROCESS FOR THE PREPARATION OF ACYLPHOSPHANES
    Publication number: 20150299231
    Abstract: The present invention provides a process for the preparation of mono- and bisacylphosphanes based on formula (I): as well as for their corresponding oxides or sulfides. The present invention further relates to photoinitiators obtainable by said process.
    Type: Application
    Filed: September 30, 2013
    Publication date: October 22, 2015
    Inventors: HANSJOERG GRUETZMACHER, GEORGINA MUELLER