Patents by Inventor Waifong Liew Anton

Waifong Liew Anton 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: 20100289858
    Abstract: The present disclosure pertains to an aqueous ink jet ink having improved corrosion resistance for use in an ink jet print head comprising: (a) a colorant; (b) an aqueous vehicle; and (c) a certain random hydrophilic polymer additive, wherein the random hydrophilic polymer additive comprises a random copolymer comprised of a hydrophilic component and an optional hydrophobic component, wherein the hydrophobic component comprises a monomer selected from the group consisting of methyl acrylate and/or vinyl acetate and/or a hydrophobic monomer having a carbon to oxygen ratio of at least about 2.5, and wherein the hydrophobic component has a concentration of less than about 40% by weight, based on the weight of the polymer additive, and the hydrophilic component comprises at least one non-acidic hydrophilic monomer having a carbon to oxygen ratio of less than about 2.5, and a monomer with an ionizable acidic group with a carbon to oxygen ratio of less than about 2.
    Type: Application
    Filed: October 9, 2008
    Publication date: November 18, 2010
    Inventor: Waifong Liew Anton
  • Publication number: 20100231671
    Abstract: This invention pertains to inkjet printing on non-porous or low porous media and to a pretreatment solution for the non-porous or low porous media that allows high quality printing thereon. The preferred digitally printed inks are disperse dye or pigmented inks.
    Type: Application
    Filed: June 4, 2008
    Publication date: September 16, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Waifong Liew Anton, Scott W. Ellis
  • Publication number: 20090192261
    Abstract: The present disclosure pertains to an aqueous ink jet ink having improved corrosion resistance comprising: (a) a colorant; (b) an aqueous vehicle; and (b) a certain random hydrophilic polymer additive, wherein the random hydrophilic polymer additive comprises a random copolymer comprised of a hydrophilic component and optional hydrophobic component, wherein the hydrophobic component comprises a monomer selected from the group consisting of methyl acrylate, vinyl acetate, and/or a hydrophobic monomer having a carbon to oxygen ratio of at least about 2.5, and wherein the hydrophobic component has a concentration of less than about 40% by weight, based on the weight of the polymer additive, and the hydrophilic component comprises at least one non-acidic hydrophilic monomer having a carbon to oxygen ratio of less than about 2.5, and a monomer with an ionizable acidic group with a carbon to oxygen ratio of less than about 2.
    Type: Application
    Filed: October 8, 2008
    Publication date: July 30, 2009
    Inventor: Waifong Liew Anton
  • Patent number: 6811243
    Abstract: This invention relates to the use of a priming fluid in ink jet printers and in particular, to the use of an aqueous priming fluid used in conjunction with aqueous based ink jet inks in ink jet printers using ink jet printheads, such as, piezo ink jet printer heads.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: November 2, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Kathryn A. Pearlstine, Waifong Liew Anton
  • Publication number: 20040196347
    Abstract: This invention pertains to ink jet printing and more particularly to ink jet printing of wide format substrates such as textiles, and to inks and inks sets suitable for use in such printing.
    Type: Application
    Filed: April 27, 2004
    Publication date: October 7, 2004
    Inventors: Martin E. Redding, John Stephen Locke, Robert Clifton Strum, Tony Z. Liang, Michael Lee Rudolph, Waifong Liew Anton, Hisanori Omura
  • Patent number: 6742869
    Abstract: A system and method are disclosed for ink jet printing of wide format substrates such as textiles in a manner to simulate screen printing, in which image data in one or more acceptable formats is input, transformed into a suitable L*a*b* file format, further converted into a driver format for a printer, then communicated to such printer. Optionally, the color gamut of the image in the L*a*b* file format is checked against an estimated screen gamut of a screen printer, and limited to the estimated screen gamut as required.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: June 1, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Martin E. Redding, John Stephen Locke, Robert Clifton Strum, Tony Z. Liang, Michael Lee Rudolph, Waifong Liew Anton, Hisanori Omura
  • Publication number: 20030128246
    Abstract: This invention pertains to ink jet printing and more particularly to ink jet printing of wide format substrates such as textiles, and to inks and inks sets suitable for use in such printing.
    Type: Application
    Filed: October 4, 2002
    Publication date: July 10, 2003
    Inventors: Martin E. Redding, John Stephen Locke, Robert Clifton Strum, Tony Z. Liang, Michael Lee Rudolph, Waifong Liew Anton, Hisanori Omura
  • Publication number: 20030117472
    Abstract: This invention relates to the use of a priming fluid in ink jet printers and in particular, to the use of an aqueous priming fluid used in conjunction with aqueous based ink jet inks in ink jet printers using ink jet printheads, such as, piezo ink jet printer heads.
    Type: Application
    Filed: October 3, 2002
    Publication date: June 26, 2003
    Inventors: Kathryn A. Pearlstine, Waifong Liew Anton
  • Publication number: 20010024654
    Abstract: A color cosmetic composition comprising an oil component and a particulate matter component, the improvement wherein the composition additionally contains an uncrosslinked synthetic polymer having a glass transition temperature of 76 to 120° C., comprising at least one methacrylate ester monomer repeat unit which, if polymerized, would yield a polymer having a glass transition temperature 76 to 120° C.
    Type: Application
    Filed: January 22, 2001
    Publication date: September 27, 2001
    Applicant: Revlon Consumer Products Corporation
    Inventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Joseph Frank Calello, Natividad Jose, Anjali Abhimanyu Patil, Julio Gans Russ, Robert Walter Sandewicz, Ann Marshall Ureneck
  • Patent number: 6232369
    Abstract: An ink for ink jet printers contains an aqueous carrier medium; an aqueous carrier medium insoluble colorant; a polymeric dispersant; and a hydrosol polymer is stable, exhibits excellent print quality, and provides excellent smear resistance after drying and good decap or crusting time.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: May 15, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Sheau-Hwa Ma, Waifong Liew Anton
  • Patent number: 6153206
    Abstract: A cosmetic composition comprising an oil component and a particulate matter component, the improvement wherein the composition additionally contains an uncrosslinked synthetic polymer comprising a first repeat unit selected from the group consisting of methacrylate ester monomers which, if polymerized, would yield a polymer having a glass transition temperature of -10 to 75.degree. C.; and a second repeat unit selected from the group consisting of methacrylate ester monomers which, if polymerized, would yield a polymer having a glass transition temperature in the range of about 76 to 120.degree. C., the synthetic polymer having a glass transition temperature ranging from about 20 to 105.degree. C.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: November 28, 2000
    Assignee: Revlon Consumer Products Corporation
    Inventors: Waifong Liew Anton, Milan Bohuslay Bednarek, Joseph Frank Calello, Natividad Jose, Anjali Abhimanyu Patil, Julio Gans Russ, Robert Walter Sandewicz, Ann Marshall Ureneck
  • Patent number: 6066313
    Abstract: A color cosmetic composition comprising an oil component and a particulate matter component, the improvement wherein the composition additionally contains an uncrosslinked synthetic polymer having a glass transition temperature of -10 to 75.degree. C., comprising at least one methacrylate ester monomer repeat unit which, if polymerized, would yield a polymer having a glass transition temperature of -10 to 75.degree. C.
    Type: Grant
    Filed: August 27, 1997
    Date of Patent: May 23, 2000
    Assignee: Revlon Consumer Products Corporation
    Inventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Joseph Frank Calello, Natividad Jose, Anjali Abhimanyu Patil, Julio Gans Russ, Robert Walter Sandewicz, Ann Marshall Ureneck
  • Patent number: 6040358
    Abstract: Inks for ink jet printers contain an aqueous carrier medium; a colorant that is insoluble in the aqueous carrier, a polymer dispersant; and a linear polymer additive selected from the group consisting of an water soluble, elastomeric ABA block polymer comprising an elastomeric B block and non-elastomeric A blocks; anionic polymers selected from neutralized acrylic and methacrylic acid polymers; cationic polymers selected from neutralized or quaternized amine polymers; water-dispersible .beta.-diketone containing polymers and ethylene oxide containing polymers.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: March 21, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Loretta Ann Grezzo Page, Harry Joseph Spinelli, Waifong Liew Anton
  • Patent number: 6020400
    Abstract: Inks for ink jet printers containing an aqueous carrier medium; a pigment; a polymeric dispersant; and an emulsion polymer additive stabilized with a structured polymer are stable, have low viscosity, exhibit excellent print quality, provide excellent smear resistance after drying, have good decap and crusting time, and also demonstrate good charging stability when used in continuous flow printers.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: February 1, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Robert Paul Held, Sheau-Hwa Ma, Joseph Edward Reardon, Arthur Charles Shor, Harry Joseph Spinelli, Soodabeh Tronson
  • Patent number: 6005023
    Abstract: An ink for ink jet printers contains an aqueous carrier medium; a colorant that is insoluble in the aqueous carrier; a branched polymer dispersant; and an emulsion polymer additive and is stable, has low viscosity, exhibits excellent print quality, provides excellent smear resistance after drying and has good decap or crusting time.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: December 21, 1999
    Assignee: E.I. du Pont Nemours and Company
    Inventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Soodabeh Tronson
  • Patent number: 5912280
    Abstract: Water-fastness of inks containing pigment and a polymeric dispersant is improved by the addition of core-shell or tetrafluoroethylene emulsion polymers. The printed ink images exhibit improved resistance to smudge or smear when handled or marked with highlight pens.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: June 15, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Edward George Howard, Jr., Kathryn Amy Pearlstine, Soodebeh Tronson
  • Patent number: 5798426
    Abstract: An acrylic polymer of polymerized monomers of about 55-80% by weight of an alkyl methacrylate having 1-12 carbon atoms in the alkyl group, and alkyl acrylate having 1-12 carbon atoms in the alkyl group, substituted or unsubstituted aryl methacrylate or acrylate, substituted or unsubstituted alicyclic methacrylate or acrylate, substituted or unsubstituted cyclic methacrylate or acrylate, a polymerizable vinyl aromatic monomer, vinyl pyrrolidone or any mixtures of the above monomers, and contains about 5-40% by weight of acetoacetoxy ethyl methacrylate and about 5-15% by weight of ethylenically unsaturated acid and the acrylic polymer has a weight average molecular weight of about 10,000-3,000,000 and a glass transition temperature of about -20.degree. to 50.degree. C.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: August 25, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Waifong Liew Anton, Harry Joseph Spinelli, Anjali Abhimanyu Patil
  • Patent number: 5772988
    Abstract: A nail enamel composition comprising, by weight of the total composition:10-95% solvent, and5-90% of a copolymer resulting from the polymerization of monomer units A, B, and C wherein: ##STR1## wherein R.sub.1, R.sub.3, and R.sub.5 are each independently H, a C.sub.1-30 straight or branched chain alkyl, aryl, aralkyl; R.sub.2 is a pyrrolidone, or a substituted or unsubstituted aromatic, alicyclic, or bicyclic ring where the substitutents are C.sub.1-30 straight or branched chain alkyl, or COOM wherein M is a C.sub.1-30 straight or branched chain alkyl, pyrrolidone, or a substituted or unsubstituted aromatic, alicylic, or bicyclic ring where the substitutents are C.sub.1-30 straight or branched chain alkyl ##STR2## wherein ##STR3## straight or branched chain alkyl, m is 1 to 5, n is 1 to 30, y is 0 to 50; and Z=H or a C.sub.1-30 straight or branched chain alkyl, and a method and kit for coating the nails with said composition.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: June 30, 1998
    Assignee: Revlon Consumer Products Corporation
    Inventors: Frank Charles Pagano, Anjali Abhimanyu Patil, Robert Walter Sandewicz, Waifong Liew Anton, Harry Joseph Spinelli