Patents by Inventor Ralph J. Berni

Ralph J. Berni 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 reduction of endotoxin in cotton lint or dust
    Patent number: 4832751
    Abstract: A method for reducing endotoxin in cotten fiber or dust is disclosed. Cotton fiber or dust is detoxified in a solution selected from the group consisting of 95% ethanol and hydrochloric acid; 95% ethanol and sodium hydroxide; and dimethylsulfoxide.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: May 23, 1989
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Linda N. Domelsmith, Marie-Alice Rousselle, Ralph J. Berni
  • Emulsion systems for imparting durable press properties to cotton and cotton-polyester blended textiles
    Patent number: 4092106
    Abstract: Cotton and cotton-blended fabrics are impregnated with an emulsion containing an N-methylolated urea resin, a Lewis-acid catalyst, an emulsifying agent, and softener in a water-chlorinated solvent formulation to impart improved durable press properties.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: May 30, 1978
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Ralph J. Berni, Ruth R. Benerito, Mary W. Pilkington
  • Process for imparting durable flame-retardancy to cotton-polyester blended textiles
    Patent number: 4084027
    Abstract: Stable oil and water emulsions, prepared such that a water-soluble phosphorus monomer, a melamine-formaldehyde resin, and an emulsifier of high HLB value are in the water phase while an oil soluble halogenated phosphate and emulsifier of low HLB value are in a chlorinated solvent, can be used to impart durable-to-laundering flame retardancy to both cotton and cotton-polyester textiles provided the HLB value of the final emulsion is greater than 9 and not over 15.1.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: April 11, 1978
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Ralph J. Berni, Marilyn M. Smith, Ruth R. Benerito