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).
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Publication number: 20100289858Abstract: 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: ApplicationFiled: October 9, 2008Publication date: November 18, 2010Inventor: Waifong Liew Anton
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Publication number: 20100231671Abstract: 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: ApplicationFiled: June 4, 2008Publication date: September 16, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Waifong Liew Anton, Scott W. Ellis
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Publication number: 20090192261Abstract: 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: ApplicationFiled: October 8, 2008Publication date: July 30, 2009Inventor: Waifong Liew Anton
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Patent number: 6811243Abstract: 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: GrantFiled: October 3, 2002Date of Patent: November 2, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Kathryn A. Pearlstine, Waifong Liew Anton
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Publication number: 20040196347Abstract: 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: ApplicationFiled: April 27, 2004Publication date: October 7, 2004Inventors: Martin E. Redding, John Stephen Locke, Robert Clifton Strum, Tony Z. Liang, Michael Lee Rudolph, Waifong Liew Anton, Hisanori Omura
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Patent number: 6742869Abstract: 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: GrantFiled: October 4, 2002Date of Patent: June 1, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Martin E. Redding, John Stephen Locke, Robert Clifton Strum, Tony Z. Liang, Michael Lee Rudolph, Waifong Liew Anton, Hisanori Omura
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Publication number: 20030128246Abstract: 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: ApplicationFiled: October 4, 2002Publication date: July 10, 2003Inventors: Martin E. Redding, John Stephen Locke, Robert Clifton Strum, Tony Z. Liang, Michael Lee Rudolph, Waifong Liew Anton, Hisanori Omura
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Publication number: 20030117472Abstract: 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: ApplicationFiled: October 3, 2002Publication date: June 26, 2003Inventors: Kathryn A. Pearlstine, Waifong Liew Anton
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Publication number: 20010024654Abstract: 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: ApplicationFiled: January 22, 2001Publication date: September 27, 2001Applicant: Revlon Consumer Products CorporationInventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Joseph Frank Calello, Natividad Jose, Anjali Abhimanyu Patil, Julio Gans Russ, Robert Walter Sandewicz, Ann Marshall Ureneck
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Patent number: 6232369Abstract: 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: GrantFiled: December 27, 1996Date of Patent: May 15, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Sheau-Hwa Ma, Waifong Liew Anton
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Patent number: 6153206Abstract: 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: GrantFiled: December 3, 1999Date of Patent: November 28, 2000Assignee: Revlon Consumer Products CorporationInventors: Waifong Liew Anton, Milan Bohuslay Bednarek, Joseph Frank Calello, Natividad Jose, Anjali Abhimanyu Patil, Julio Gans Russ, Robert Walter Sandewicz, Ann Marshall Ureneck
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Patent number: 6066313Abstract: 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: GrantFiled: August 27, 1997Date of Patent: May 23, 2000Assignee: Revlon Consumer Products CorporationInventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Joseph Frank Calello, Natividad Jose, Anjali Abhimanyu Patil, Julio Gans Russ, Robert Walter Sandewicz, Ann Marshall Ureneck
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Patent number: 6040358Abstract: 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: GrantFiled: December 27, 1996Date of Patent: March 21, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Loretta Ann Grezzo Page, Harry Joseph Spinelli, Waifong Liew Anton
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Patent number: 6020400Abstract: 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: GrantFiled: December 27, 1996Date of Patent: February 1, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Robert Paul Held, Sheau-Hwa Ma, Joseph Edward Reardon, Arthur Charles Shor, Harry Joseph Spinelli, Soodabeh Tronson
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Patent number: 6005023Abstract: 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: GrantFiled: December 27, 1996Date of Patent: December 21, 1999Assignee: E.I. du Pont Nemours and CompanyInventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Soodabeh Tronson
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Patent number: 5912280Abstract: 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: GrantFiled: December 27, 1996Date of Patent: June 15, 1999Assignee: E. I. du Pont de Nemours and CompanyInventors: Waifong Liew Anton, Milan Bohuslav Bednarek, Edward George Howard, Jr., Kathryn Amy Pearlstine, Soodebeh Tronson
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Patent number: 5798426Abstract: 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: GrantFiled: August 13, 1997Date of Patent: August 25, 1998Assignee: E. I. du Pont de Nemours and CompanyInventors: Waifong Liew Anton, Harry Joseph Spinelli, Anjali Abhimanyu Patil
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Patent number: 5772988Abstract: 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: GrantFiled: May 10, 1996Date of Patent: June 30, 1998Assignee: Revlon Consumer Products CorporationInventors: Frank Charles Pagano, Anjali Abhimanyu Patil, Robert Walter Sandewicz, Waifong Liew Anton, Harry Joseph Spinelli