Patents by Inventor Michael Anthony Bajraszewski

Michael Anthony Bajraszewski 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).

  • Anionic alkoxylate surfactant
    Patent number: 6590030
    Abstract: This invention relates to an anionic alkoxylate surfactant of formula (I), where R is a di- or tri-unsaturated C4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opposite geometric isomerism; m is 0 or 1; Y is O or NR′; each R′ is independently selected from hydrogen, C1-6 alkyl and phenyl; n is 1 to 50; and OX is an anionic group selected from the group consisting of acids or salts of sulfate, phosphate, sulphosuccinate, succinate, carbomethyl, maleate, carboxyethyl, alkenylsuccinate, phthalate, sulphoethyl, 3-sulpho-2-hydroxypropyl, sulphopropyl, oxalate and citrate.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: July 8, 2003
    Assignee: Orica Australia Pty Ltd
    Inventors: Elizabeth Ann Salter, Patrick William Houlihan, Michael Anthony Bajraszewski, Rodney Walter Parr, Keith Moody
  • Anionic alkoxylate surfactant
    Publication number: 20020061828
    Abstract: This invention relates to an anionic alkoxylate surfactant of formula (I), where R is a di- or tri-unsaturated C4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opposite geometric isomerism; m is 0 or 1; Y is O or NR′; each R′ is independently selected from hydrogen, C1-6 alkyl and phenyl; n is 1 to 50; and OX is an anionic group selected from the group consisting of acids or salts of sulfate, phosphate, sulphosuccinate, succinate, carbomethyl, maleate, carboxyethyl, alkenylsuccinate, phthalate, sulphoethyl, 3-sulpho-2-hydroxypropyl, sulphopropyl, oxalate and citrate.
    Type: Application
    Filed: August 9, 2001
    Publication date: May 23, 2002
    Inventors: Elizabeth Ann Salter, Patrick William Houlihan, Michael Anthony Bajraszewski, Rodney Walter Parr, Keith Moody
  • Anionic alkoxylate surfactant from conjugated unsaturated alcohol
    Patent number: 6335314
    Abstract: This invention relates to an anionic alkoxylate surfactant (I), where R is di- or tri-unsaturated C4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opposite geometric isomerism; m is 0 or 1; Y is O or NR; each R40 is independently selected from hydrogen, C1-6 alkyl and phenyl; n is 1 to 50; and OX is an anionic group selected from the group consisting of acids or salts of sulphate, phosphate, sulphosuccinate, succinate, carboxymethyl, maleate, carboxyethyl, alkenylsuccinate, phthalate, sulphoethyl, 3-sulpho-2-hydroxypropyl, sulphopropyl, oxalate and citrate.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: January 1, 2002
    Assignee: Orica Australia Pty. Ltd.
    Inventors: Elizabeth Ann Salter, Patrick William Houlihan, Michael Anthony Bajraszewski, Rodney Walter Parr, Keith Moody