Patents by Inventor Pietro Moruzzi

Pietro Moruzzi 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).

  • Patent number: 4185450
    Abstract: There is described a process for making a texturized polycapronamide yarn erein the yarn is spun at a spinning speed below 1500 metres per minute and then subjected to a drawing and texturizing treatment including drawing, false twisting and heat treatment operations. The process is noted in that no more than two of said operations are carried out concurrently at least when the processing of the yarn is being started and the heat treatment is carried out under temperature conditions such as to set the false twist. There are also described the polycapronamide fibres and yarns texturized and manufactured by carrying out the process.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: January 29, 1980
    Assignee: Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.p.A.
    Inventors: Pietro Moruzzi, Francesco Cadau