Patents by Inventor Manohar L. Arora

Manohar L. Arora 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).

  • Method for preparing bleed resistant lithographic inks
    Patent number: 4400216
    Abstract: Bleed resistant lithographic ink compositions containing azo red pigments are prepared by mixing a wetting agent such as an amine, an amine oxide, an amide, an amidine, an amidoxime, an oxime, an oxazolidine, or an amino acid with a substantially dry flushed color.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: August 23, 1983
    Assignee: BASF Wyandotte Corp.
    Inventor: Manohar L. Arora
  • Pigment flushing
    Patent number: 4340431
    Abstract: A method for transferring an organic pigment from an aqueous pulp of the pigment to a water-immiscible organic vehicle. This method comprising mixing the aqueous pulp and vehicle with a petroleum sulfonate flushing aid and at least one flushing aid selected from the class consisting of sulfonated sperm oil, sulfated sperm oil, and mixtures thereof until a major portion of the water present in said pulp separates.
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: July 20, 1982
    Assignee: BASF Wyandotte Corporation
    Inventors: Manohar L. Arora, Timothy A. Overway, Thomas E. Foye
  • Pigment flushing
    Patent number: 4309320
    Abstract: In the method for transferring an organic pigment from an aqueous pulp to a water-immiscible hydrophobic organic vehicle the improvement to achieve low initial viscosity, good shelf stability, and good tint strength comprising incorporating an additive selected from the class of sulfonated sperm oil, sulfated sperm oil and mixtures thereof with said vehicle and said pigment.
    Type: Grant
    Filed: January 3, 1979
    Date of Patent: January 5, 1982
    Assignee: BASF Wyandotte Corporation
    Inventors: Manohar L. Arora, Thomas E. Foye