Patents by Inventor GUISSEPPE MOLTEN

GUISSEPPE MOLTEN 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).

  • 09342446WELL CEMENTING METHOD USING HMHPG FILTRATE REMOVER
    Publication number: 20010025709
    Abstract: This invention concerns a process for controlling filtration loss during the installation of slag cement in a well. The procedure entails the addition of a specific quantity of at least a derivative of galactomannan, hydrophilically and hydrophobically modified. In one version, the derivative is hydrophobically modified hydroxy propyl guar (HMHPG). This invention concerns slag cement and a filtrate reductant additive containing a specific quantity of at least a derivative of galactomannan, hydrophilically and hydrophobically modified.
    Type: Application
    Filed: March 31, 1998
    Publication date: October 4, 2001
    Inventors: ANNIE AUDIBERT, JEAN-FRANCOIS ARGILLIER, UGO PFEIFFER, GUISSEPPE MOLTEN