Patents by Inventor Harry Marcus Castrantas

Harry Marcus Castrantas 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).

  • Peracid treatment of dry cleaning baths
    Patent number: 4026798
    Abstract: Peracids and a water-soluble inorganic polyphosphate salt are used in the treatment of dirty dry cleaning baths to permit longer operation between distillation.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: May 31, 1977
    Assignee: FMC Corporation
    Inventors: Harry Marcus Castrantas, John T. Gresham
  • Dry cleaning formulation
    Patent number: 4014805
    Abstract: Improved dry cleaning formulation containing a dry cleaning solvent, water, inorganic polyphosphate salt, hydrogen peroxide and a suitable detergent surfactant having a pH value of from 5 to 9, which minimizes equipment corrosion and maintains fabric strength while effectively removing hydrophilic stains.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: March 29, 1977
    Assignee: FMC Corporation
    Inventor: Harry Marcus Castrantas
  • Dry cleaning with peracids
    Patent number: 4013575
    Abstract: Textile fabric stain removal is significantly improved by including in conventional dry cleaning solvent baths, a preformed or in situ generated peracid.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: March 22, 1977
    Assignee: FMC Corporation
    Inventors: Harry Marcus Castrantas, John T. Gresham