Patents by Inventor Donald Michael Ference

Donald Michael Ference 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).

  • Reaction product from the co-dehydration of a sugar alcohol and a polyol
    Patent number: 9266898
    Abstract: A reaction product of the co-dehydration of a sugar alcohol and a reactant polyol having a number average hydroxyl functionality less than 4.0 is disclosed. In some aspects the sugar alcohol comprises mannitol, sorbitol, xylitol, erythritol, or mixtures thereof. In some preferred aspects the sugar alcohol comprises sorbitol. In some aspects the reactant polyol has an average molecular weight of from 40 to 500 Daltons. In some aspects, the reaction product may be suitable for the manufacture of polyisocyanurate foam. In some aspects the reaction product may be mixed with diluent polyols, such as diols, glycols, ethylene glycol, diethylene glycol, dipropylene glycol, propylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: February 23, 2016
    Assignee: Cargill, Incorporated
    Inventors: Timothy Walter Abraham, Donald Michael Ference, Wei Zhang
  • REACTION PRODUCT FROM THE CO-DEHYDRATION OF A SUGAR ALCOHOL AND A POLYOL
    Publication number: 20130296451
    Abstract: A reaction product of the co-dehydration of a sugar alcohol and a reactant polyol having a number average hydroxyl functionality less than 4.0 is disclosed. In some aspects the sugar alcohol comprises mannitol, sorbitol, xylitol, erythritol, or mixtures thereof. In some preferred aspects the sugar alcohol comprises sorbitol. In some aspects the reactant polyol has an average molecular weight of from 40 to 500 Daltons. In some aspects, the reaction product may be suitable for the manufacture of polyisocyanurate foam. In some aspects the reaction product may be mixed with diluent polyols, such as diols, glycols, ethylene glycol, diethylene glycol, dipropylene glycol, propylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof.
    Type: Application
    Filed: December 16, 2011
    Publication date: November 7, 2013
    Applicant: Cargill, Incorporated
    Inventors: Timothy Walter Abraham, Donald Michael Ference, Wei Zhang