Patents by Inventor Roy F. Silva

Roy F. Silva 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: 5120561
    Abstract: The invention provides a food additive prepared from refined and fractionated phospholipids containing at least 35% phosphatidyl choline and a ratio of 2:1 to 10:1 phosphatidyl choline to phosphatidyl ethanolamine which is complexed with water and vigorously mixed to form globular vesicles or liposomes. The aqueous liposomes are then used per se or mixed with food ingredients and/or with an edible reinforcing carbohydrate to form a suspension or paste which is added to the foodstuff. The liposome can replace some or all of the fat in the food as well as acting as a carrier, encapsulating agent, moisturizing agent, and depanner for foods.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: June 9, 1992
    Assignee: American Lecithin Company
    Inventors: Roy F. Silva, Joseph Fierro, Jeannie Buccino, Heinz Jodlbauer
  • Patent number: 5035903
    Abstract: Bakery goods containing increased levels of dietary fiber while maintaining specific volume and softness can be prerpared by incorporating in the fiber containing bread a sufficient amount of functionalized dairy product containing a thickening polymer characterized by a viscosity of above about 200 centipoises and at shear rate of 12s.sup.-1.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 30, 1991
    Assignee: International Flavors & Foods Ingredients Company, division of Indopco, Inc.
    Inventor: Roy F. Silva
  • Patent number: 4743452
    Abstract: A frozen dough can be prepared by formulating the frozen dough with a hydrocolloid and a fermentation aid. The dough is prepared by conventional methods and frozen before proofing. Upon removal from the freezer the dough can be thaw-proofed in an oven and baked in a short period of time.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: May 10, 1988
    Assignee: Stauffer Chemical Company
    Inventors: Lisa V. Felske, Roy F. Silva
  • Patent number: 4500548
    Abstract: A fermentation aid for yeast-raised bakery goods comprising a fermented mixture of flour, sugar, water and a yeast of the species Saccharomyces cereviseae wherein the mixture is fermented for a period of time sufficient in the absence of other ingredients to decrease the pH of the mixture from the initial pH to a pH below about 4.75 and dried under conditions such that a major amount of the volatile components of the mixture with the exception of water remain in the fermented aid after drying.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: February 19, 1985
    Assignee: Stauffer Chemical Company
    Inventor: Roy F. Silva