Patents by Inventor Judit Cestero

Judit Cestero 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).

  • Electroplating baths for nickel and brightener-leveler compositions therefor
    Patent number: 3953304
    Abstract: An aqueous acid nickel electroplating bath containing as a brightener-leveling agent the reaction product of an acetylenic diester of a halogenated saturated aliphatic acid with a heterocyclic compound containing a tertiary nitrogen atom. The brightener may have the general formula ##EQU1## wherein R.sub.1 and R.sub.2 are hydrogen, halogen or a hydroxy, carboxy, carboxyester, sulphoxy, alkyl, amino or amido group;R.sub.3 is a hydrogen or an alkyl group;R.sub.4 and R.sub.5 are hydrogen or an alkyl group;X is halogen andN is an integer from 0 to 2.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: April 27, 1976
    Assignee: Dart Industries Inc.
    Inventors: John L. Allan, Kollengode V. Srinivasan, Philip D. Readio, Judit Cestero