Patents by Inventor Lux P. Requejo

Lux P. Requejo 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).

  • Cleaning composition for glass and similar hard surfaces
    Patent number: 4606842
    Abstract: A polyacrylic resin which can be a polyacrylic acid or a mixture of a polyacrylic acid and an acrylic polymeric complex with a phosphinate or sulfur containing moiety is used as a builder in an aqueous glass cleaning composition of the spray-on wipe-off type containing an organic solvent system and at least one detergent surface active agent. Cleaning efficiency is comparable to and even superior to tetrasodium pyrophosphate built compositions.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: August 19, 1986
    Assignee: Drackett Company
    Inventors: George B. Keyes, Lux P. Requejo, Thomas B. Hilton