Patents by Inventor Pier Luigi Loro Piana

Pier Luigi Loro Piana 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: 8999005
    Abstract: A process obtains an aged or faded effect on garments made of protein fibers such as wool, cashmere and silk. Granules of inert materials, which are particularly light in order not to damage very fine fibers, are introduced into a tumbler. The garments were previously treated with a chemical product commonly referred to as “dye retardant” for inhibiting dyeing of the fabric. The tumbler is pre-arranged so that the chemical product does not migrate through holes or openings. Raw confectioned garments that are to be treated, such as jerseys or outerwear, are introduced into the tumbler. The garments are extracted from the tumbler at the end of migration of the chemical product for inhibiting dyeing of the outer surface of the garments by the granules and steamed in an autoclave to fix the chemical process of the product for inhibiting dyeing of the outer surface of the garments. The garments are then dyed with a specific selection of dyes that must be defined each time according to the desired result.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: April 7, 2015
    Assignee: Loro Piana S.p.A.
    Inventor: Pier Luigi Loro Piana
  • Publication number: 20110143118
    Abstract: A fabric obtained by working yarn results from twisting of natural fibres in which the natural fibres are animal fibres twisted with a strand of silk.
    Type: Application
    Filed: October 21, 2008
    Publication date: June 16, 2011
    Applicant: Loro Piana S.p.A
    Inventor: Pier Luigi Loro Piana