Patents by Inventor Bruno Grimaldi

Bruno Grimaldi 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).

  • Pressure-sensitive copying paper
    Patent number: 5084431
    Abstract: Pressure-sensitive copying paper of particular suitability for the production of business forms sets by xerographic photocopying processes (including laser printing processes) carries, as loadings within the thickness of the paper:(a) inorganic color developer material; and(b) microcapsules containing a substantially colorless chromogenic material;and is characterized in that it has:(i) a mean Bendsten roughness on its top side up to 880 ml.min.sup.-1 ;(ii) a mean Bendsten porosity of up to about 200 ml.min.sup.-1 ; and(iii) an ex-mill moisture content of not more than about 5.5%, based on the total weight of the paper.The use of paper as defined above minimises jamming and other problems commonly encountered when attempting to produce business forms sets from pressure-sensitive copying papers by xerographic photocopying processes.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: January 28, 1992
    Assignee: The Wiggins Teape Group Limited
    Inventors: Constantinos Pilikos, Antony P. Way, Bruno Grimaldi, Jacques A. Broyard