Patents by Inventor Luiz Carlos Oliveira Da Cunha Lima

Luiz Carlos Oliveira Da Cunha Lima 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).

  • Process for reclaiming cured or semi-cured rubber
    Patent number: 5677354
    Abstract: A process for reclaiming cured or semi-cured rubber, by subjecting a mass of rubber to be reclaimed to a solvent effective to swell said mass, passing the formed swollen mass of rubber through restriction means having small openings, such as a perforated plate, deleterious or devulcanizing substances being comprised in at least one of said restriction means and said swollen mass of rubber.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: October 14, 1997
    Inventor: Luiz Carlos Oliveira Da Cunha Lima