Patents by Inventor Paul E. DeCastro

Paul E. DeCastro 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).

  • Aqueous composition for low-temperature metal-cleaning and method of use
    Patent number: 6124253
    Abstract: An alkaline, aqueous metal-cleaning composition capable of effectively removing industrial-type soil contaminants from a metal surface at temperatures as low as ambient temperature and in the absence of substantial agitation contains (A) an active-ingredient portion containing (1) an alkalinity-providing component, and (2) a surfactant mixture containing: (a) at least one first non-ionic, ethoxylated linear primary alcohol surfactant having a hydrophobic carbon chain length of from 9 to 11 carbon atoms and being ethoxylated with (i) an average of 2.5 moles of ethylene oxide or (ii) an average of 5.0 moles of ethylene oxide; and (b) at least one second non-ionic, ethoxylated linear primary alcohol surfactant having a hydrophobic carbon chain length of from 9 to 11 carbon atoms and being ethoxylated with an average of 6.0 moles of ethylene oxide; and (B) an aqueous portion.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: September 26, 2000
    Assignee: Church & Dwight Co., Inc.
    Inventors: Alfredo Vinci, Steven A. Bolkan, Paul E. DeCastro, Lisa M. Kurschner