Patents by Inventor Daniel F. Zweifel

Daniel F. Zweifel 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).

  • Publication number: 20220386612
    Abstract: A formulation includes (a) tebuconazole, (b) an emulsifier and (c) a solvent blend. The solvent blend includes (i) a first solvent, wherein the first solvent is Water-Immiscible and the first solvent has a first tebuconazole solubility as measured according to Solubility Testing and (ii) a second solvent having a miscibility with water greater than 5 wt % as measured according to ASTM D1722 at 23° C. The formulation has a formulation tebuconazole solubility greater than the first tebuconazole solubility as measured according to Solubility Testing.
    Type: Application
    Filed: January 28, 2021
    Publication date: December 8, 2022
    Inventors: Daniel F. Zweifel, Evelyn A. Zaugg-Hoozemans
  • Patent number: 10655078
    Abstract: A composition contains a polyalkylene glycol and a fatty amine ethoxylate, the fatty amine ethoxylate having non-cyclic structure of structure (I). Where R is a linear, non-cyclic carbon-containing group with that is free of nitrogen, x and y are selected from a group consisting of zero and positive values provided that the sum of x and y are in a range of 8-20.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: May 19, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel F. Zweifel, Evelyn A. Zaugg-Hoozemans, Stephan Höltschi
  • Publication number: 20170233673
    Abstract: A composition contains a polyalkylene glycol and a fatty amine ethoxylate, the fatty amine ethoxylate having non-cyclic structure of structure (I). Where R is a linear, non-cyclic carbon-containing group with that is free of nitrogen, x and y are selected from a group consisting of zero and positive values provided that the sum of x and y are in a range of 8-20.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 17, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Daniel F. Zweifel, Evelyn A. Zaugg-Hoozemans, Stephan Höltschi
  • Publication number: 20160289590
    Abstract: A composition comprising a base oil and a dispersant, the base oil comprising a polyalkylene glycol and the dispersant being an epoxy amine alkoxylate of Structure I is useful in a process whereby the composition is used as a lubricant in a mechanical device.
    Type: Application
    Filed: October 29, 2014
    Publication date: October 6, 2016
    Inventors: Cynthia Pierre, Cynthia L. Rand, Brian A. Jazdzewski, John B. Cuthbert, Daniel F. Zweifel
  • Publication number: 20140018273
    Abstract: Provided are lubricant compositions that exhibit high viscosity index and low Noack volatility. A lubricant composition of the invention comprises: (a) a polyalkylene glycol of formula I: RO-(AO)n-R1 (I) wherein R, R1, and n are as defined herein; and (b) an additive package comprising an anti-oxidant.
    Type: Application
    Filed: March 12, 2012
    Publication date: January 16, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Daniel F. Zweifel, Ronald Van Voorst, Marinus Meertens
  • Publication number: 20140018272
    Abstract: A heat transfer fluid composition comprising a polyalkylene glycol initiated by a hydric initiator having a functionality of at least 1 and extended with ethylene oxide, wherein the polyalkylene glycol comprises at least 30 percent by weight ethylene oxide and having a volumetric heat capacity at 100° C. of at least 2.0 J/cm3-K; and an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid, aspartic acid amide, a Group V aspartic acid salt, their derivatives, or a combination thereof is provided. Also provided are such fluids which meet the bio-no-tox criteria of European Community directive EC/1999/45 (as amended by EC/2006/8). Further provided are monofluid-type engine lubricating and cooling fluids comprising such heat transfer fluid.
    Type: Application
    Filed: March 15, 2012
    Publication date: January 16, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Johan A. Thoea, Mathias Woydt, Daniel F. Zweifel
  • Patent number: 8592357
    Abstract: A lubricant composition useful for automotive engines, comprising: (A) at least one polyalkylene glycol suitable for use as a lubricant in an automotive engine, (B) an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid ester, aspartic acid amide, a Group V aspartic acid salt, or a combination thereof.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: November 26, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Johan A. Thoen, Mathias Woydt, Daniel F. Zweifel
  • Patent number: 8357644
    Abstract: A lubricant composition useful for automotive engines, comprising: (A) at least one polyalkylene glycol suitable for use as a lubricant in an automotive engine, (B) an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid ester, aspartic acid amide, a Group V aspartic acid salt, or a combination thereof.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: January 22, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Johan A. Thoen, Mathias Woydt, Daniel F. Zweifel
  • Publication number: 20110039741
    Abstract: A lubricant composition useful for automotive engines, comprising: (A) at least one polyalkylene glycol suitable for use as a lubricant in an automotive engine, (B) an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid ester, aspartic acid amide, a Group V aspartic acid salt, or a combination thereof.
    Type: Application
    Filed: April 27, 2009
    Publication date: February 17, 2011
    Inventors: Johan A. Thoen, Mathias Woydt, Daniel F. Zweifel