Patents by Inventor Cynthia L. Rand

Cynthia L. Rand 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: 10577319
    Abstract: Disclosed are compounds of formulae: and salts, hydrates, or solvates thereof, where R1, R2, R3, R5, and R6 are defined herein, compositions containing these compounds, methods of preparing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or additive in personal care products.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 3, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel R. Henton, Cynthia L. Rand, Sze-Sze Ng
  • Publication number: 20180201578
    Abstract: Disclosed are compounds of formulae: and salts, hydrates, or solvates thereof, where R1, R2, R3, R5, and R6 are defined herein, compositions containing these compounds, methods of preparing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or additive in personal care products.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 19, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Daniel R. Henton, Cynthia L. Rand, Sze-Sze NG
  • Patent number: 9650321
    Abstract: Polyol ether compounds and processes for their preparation. A representative process comprises melting a polyol, and reacting the molten polyol, a carbonyl compound, and hydrogen in the presence of a hydrogenation catalyst to provide the polyol ether. The polyol ether has surfactant properties.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: May 16, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Michael L. Tulchinsky, Sze-Sze Ng, Cynthia L. Rand
  • Patent number: 9464017
    Abstract: Provided is a process for the preparation of diaryl oxide compounds. The process uses a mixed metal oxide catalyst containing oxides of aluminum and magnesium to decarboxylate a diaryl carbonate compound to yield the diaryl oxide compound.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: October 11, 2016
    Inventors: Paul R. Elowe, Scott Han, Stephen W. King, Cynthia L. Rand
  • 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: 20160237033
    Abstract: Disclosed are compounds of formulae: and salts, hydrates, or solvates thereof, where R1, R2, R3, R5, and R6 are defined herein, compositions containing these compounds, methods of preparing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or additive in personal care products.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 18, 2016
    Inventors: Daniel R. HENTON, Cynthia L. RAND, Sze-Sze NG
  • Patent number: 9296975
    Abstract: A polyalkylene glycol comprising: a random copolymer comprising units derived from EO and units derived from PO initiated with polytetrahydrofuran; wherein the polyalkylene glycol has a pour point of less than or equal to ?30° C. as measured using ASTM D97 and a traction value of less than 0.0165 at a contact pressure of 1.25 GPa, speed=2 m/s, SRR of 100% and temperature of 80° C. is provided. Also provided are lubricant compositions containing such polyalkylene glycol.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: March 29, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Martin R. Greaves, Ronald Van Voorst, Cynthia L. Rand, Marinus Meertens, Daniele Vinci
  • Patent number: 9260388
    Abstract: Disclosed are compounds of formulae (I) and (II) and salts, hydrates, or solvates thereof, where R1, R2, R3, R5, and R6 are defined herein, compositions containing these compounds, methods of preparing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or additive in personal care products.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: February 16, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel R. Henton, Cynthia L. Rand, Sze-Sze Ng
  • Publication number: 20160002134
    Abstract: Provided is a process for the preparation of diaryl oxide compounds. The process uses a mixed metal oxide catalyst containing oxides of aluminum and magnesium to decarboxylate a diaryl carbonate compound to yield the diaryl oxide compound.
    Type: Application
    Filed: March 19, 2014
    Publication date: January 7, 2016
    Inventors: Paul R. Elowe, Scott Han, Stephen W. King, Cynthia L. Rand
  • Patent number: 9181393
    Abstract: Disclosed are compounds of formula (I) and salts, hydrates, or solvates thereof, where R1 and R2 are defined herein, compositions containing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or performance additive.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: November 10, 2015
    Assignee: Dow Global Technologies, LLC
    Inventors: Brad C. Bailey, Sze-Sze Ng, Cynthia Pierre, Cynthia L. Rand
  • Publication number: 20150141308
    Abstract: A polyalkylene glycol comprising: a random copolymer comprising units derived from EO and units derived from PO initiated with polytetrahydrofuran; wherein the polyalkylene glycol has a pour point of less than or equal to ?30° C. as measured using ASTM D97 and a traction value of less than 0.0165 at a contact pressure of 1.25 GPa, speed=2 m/s, SRR of 100% and temperature of 80° C. is provided. Also provided are lubricant compositions containing such polyalkylene glycol.
    Type: Application
    Filed: June 8, 2012
    Publication date: May 21, 2015
    Inventors: Martin R. Greaves, Ronald Van Voorst, Cynthia L. Rand, Marinus Meertens, Daniele Vinci
  • Patent number: 9018408
    Abstract: The present invention generally relates to a condensed process for producing terephthalic acid and terephthalic esters from a dialkyl cyclohexane-2,5-dione-1,4-dicarboxylate; a chemoselective process for preparing a substantially bicyclic-lactone-free dialkyl cyclohexane-2,5-diol-1,4-dicarboxylate; and compositions of matter prepared thereby.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: April 28, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: William Kruper, Jr., Cynthia L. Rand, David C. Molzahn
  • Patent number: 8999071
    Abstract: Provided is a surfactant composition comprising an oligoglycerol compound of formula I, wherein R and m are as defined above. The compounds exhibit favorable surfactancy properties. Advantageously, the compounds may be prepared from renewable materials.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: April 7, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Michael L. Tulchinsky, Wanglin Yu, Sze S. Ng, Cynthia L. Rand
  • Publication number: 20150005225
    Abstract: Provided is a surfactant composition comprising an oligoglycerol compound of formula I, wherein R and m are as defined above. The compounds exhibit favorable surfactancy properties. Advantageously, the compounds may be prepared from renewable materials.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 1, 2015
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Michael L. Tulchinsky, Wanglin Yu, Sze S. Ng, Cynthia L. Rand
  • Patent number: 8901213
    Abstract: An aqueous coating composition including an aqueous polymeric dispersion and from 0.1% to 40% by weight, based on the weight of the aqueous polymeric dispersion solids, Phenylphenol-(CH2CH2O)2-50H, isomers thereof, aromatic ring substituted analogs thereof, and mixtures thereof is provided. Also provided are a method for forming a coating therefrom, a method for improving the freeze-thaw stability of an aqueous coating including a polymeric dispersion and alternative uses for Phenylphenol-(CH2CH2O)2-50H, isomers thereof, aromatic ring substituted analogs thereof, and mixtures thereof.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: December 2, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Irina V. Graf, Arkady L. Krasovskiy, Cynthia L. Rand
  • Publication number: 20140342966
    Abstract: Disclosed are compounds of formulae (I) and (II) and salts, hydrates, or solvates thereof, where R1, R2, R3, R5, and R6 are defined herein, compositions containing these compounds, methods of preparing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or additive in personal care products.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 20, 2014
    Inventors: Daniel R. Henton, Cynthia L. Rand, Sze-Sze Ng
  • Publication number: 20140316148
    Abstract: Polyol ether compounds and processes for their preparation. A representative process comprises melting a polyol, and reacting the molten polyol, a carbonyl compound, and hydrogen in the presence of a hydrogenation catalyst to provide the poly of ether. The polyol ether has surfactant properties.
    Type: Application
    Filed: February 22, 2012
    Publication date: October 23, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Michael L. Tulchinsky, Sze-Sze Ng, Cynthia L. Rand
  • Publication number: 20140309156
    Abstract: The present disclosure provides a composition comprising at least one primary branched nonionic surfactant of Formula (I) wherein x is an integer from 1 to 11, y is an integer from 0 to 25, R1 is an alkyl group having 1 to 5 carbon atoms, and R2 is an alkyl group having 3 to 7 carbon atoms; and a secondary alcohol ethoxylate of Formula (II): wherein R3 and R4 are linear alkyl groups each having from 1 to 12 carbon atoms, and n is an integer from 1 to 20.
    Type: Application
    Filed: November 19, 2012
    Publication date: October 16, 2014
    Inventors: Cynthia L. Rand, Molly I. Busby, Lisa B. Quencer, Flor A. Castillo
  • Patent number: 8829229
    Abstract: New polyol ether compounds and a process for their preparation. The process comprises reacting a polyol, a carbonyl compound, and hydrogen in the presence of hydrogenation catalyst, to provide the polyol ether. The molar ratio of polyol to carbonyl compound in the process is greater than 5:1.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: September 9, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Michael L. Tulchinsky, John R. Briggs, Cynthia L. Rand
  • Publication number: 20140200353
    Abstract: Disclosed are compounds of formula (I) and salts, hydrates, or solvates thereof, where R1 and R2 are defined herein, compositions containing these compounds, and methods of using these compounds in a variety of applications, such as a surfactant or performance additive.
    Type: Application
    Filed: August 16, 2012
    Publication date: July 17, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES ,LLC
    Inventors: Brad C. Bailey, Sze-Sze Ng, Cynthia Pierre, Cynthia L. Rand