Patents by Inventor Martin R. Greaves

Martin R. Greaves 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: 20170218296
    Abstract: An industrial base oil formulation comprising a base oil, preferably a hydrocarbon base oil, having a kinematic viscosity of more than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius and an AC-OSP where the AC-OSP has the structure of Formula I: R1[O(R2O)n(R3O)mR4]p (I) where R1 is an alkyl having from one to thirty carbons, R2 and R3 are independently selected from alkyl groups having three or four carbons and can be in block form or randomly combined, R4 is an alkyl having from one to 18 carbon atoms, n and m are independently numbers ranging from zero to 20 provided that n+m is greater than zero and p is a number within a range of one to three; wherein the industrial base oil formulation has a kinematic viscosity of greater than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius is useful in a lubricant for mechanical devices.
    Type: Application
    Filed: July 21, 2015
    Publication date: August 3, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Nadjet Khelidj, Martin R. Greaves, Evelyn A. Zaugg-Hoozemans
  • Publication number: 20170211010
    Abstract: An automotive lubricant base oil formulation contains a base oil, preferably a hydrocarbon base oil, having a kinematic viscosity of 100 centiStokes or less at 40 degrees Celsius and an ailcyl capped oil soluble polymer where the alkyl capped oil soluble polymer has the structure of Formula 0): where R1 is an alkyl having from one to thirty carbons, R2 and R3 are independently selected from alkyl groups having three or four carbons and can be in block form or randomly combined, R4 is an alkyl having from one to 18 carbon atoms, n and m are independently numbers ranging from zero to 20 provided that n+m is greater than zero and p is a number within a range of one to three and a kinematic viscosity of 100 centiStokes or less at 40 degrees Celsius is useful in a lubricant for mechanical devices.
    Type: Application
    Filed: July 23, 2015
    Publication date: July 27, 2017
    Applicants: Dow Global Technologies LLC, Total Marketing Services
    Inventors: Nadjet Khelidj, Martin R. Greaves
  • Publication number: 20170211009
    Abstract: A capped oil soluble polyalkylene glycol has the following structure: R1O—(AO)n—R2 where: R1 is a linear or branched alkyl or aryl with one to 18 carbon atoms; AO refers to residuals of monomers selected from 1,2-butylene oxide and 1,2-propylene oxide selected so that at least 50 weight-percent of the (AO)n component is 1,2-butylene oxide residuals; n is selected to provide a kinematic viscosity at 100 degrees Celsius of less than 5 centiStokes for the non-capped polyalkylene glycol; and R2 is a linear or branched alkyl or aryl having from 1-8 carbon atoms and wherein the capped oil soluble polyalkylene glycol is characterized by having a kinematic viscosity of less than 4.5 centiStokes at 100 degrees Celsius and a viscosity index of greater than 150.
    Type: Application
    Filed: July 21, 2015
    Publication date: July 27, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Nadjet Khelidj, Martin R. Greaves, Marinus Meertens, Ronald Van Voorst
  • Patent number: 9695380
    Abstract: A morpholine-free water-hydraulic liquid composition includes water, a glycol, a polyglycol such as a polyalkylene glycol, an aliphatic carboxylic acid that contains from six to 14 carbon atoms, and a combination of amines and alkanolamines.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: July 4, 2017
    Assignee: Dow Global Technologies LLC
    Inventor: Martin R. Greaves
  • Patent number: 9650588
    Abstract: A lubricant composition comprising a Group I, II, III or IV hydrocarbon oil and a polyalkylene glycol, the polyalkylene glycol having been prepared by reacting a C8-C20 alcohol and a mixed butylene oxide/propylene oxide feed using a double metal cyanide catalyst catalyzed oxyalkylation process, and wherein the lubricant composition remains clear and shows no phase separation at temperatures equal to and greater than the pour point of the hydrocarbon oil is provided. A method for making a lubricant composition is also provided.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 16, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Martin R. Greaves, Ronald Van Voorst, Marinus Meertens
  • Publication number: 20170073611
    Abstract: A lubricant contains alcohol initiated propylene oxide homopolymer, an oil soluble polyalkylene glycol other than the alcohol initiated propylene oxide homopolymer, and a calcium salt of dinonylnaphthalene sulphonate where the lubricant is further characterized by containing less than ten weight-percent of polyol esters based on total lubricant weight is useful as a lubricant for compressors.
    Type: Application
    Filed: March 18, 2014
    Publication date: March 16, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Martin R. Greaves, Jiangbo Ma
  • Patent number: 9556394
    Abstract: A lubricant composition comprising (a) from 0.1 to 10 percent by weight of one or more polyalkylene glycols (PAG); and (2) one or more ester base oils selected from the group of natural esters, synthetic esters and combinations thereof; wherein the one or more PAG has a molecular weight in the range 1500 to 5000 g/mole, comprises from 10 to 40 percent by weight of units derived from ethylene oxide and from 90 to 60 percent by weight of units derived from propylene oxide; and wherein the one or more PAGs are in the form of block copolymer, reverse block copolymer or combinations thereof is provided. Also provided is a method of enhancing the hydrolytic stability of an ester base oil.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: January 31, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Nadjet Khelidj, Martin R. Greaves, Evelyn A. Zaugg-Hoozemans
  • Publication number: 20160251592
    Abstract: A composition contains a propylene oxide/butylene oxide copolymer with an ethylene oxide/propylene oxide copolymer where the propylene oxide/butylene oxide copolymer has a concentration of propylene oxide moieties in a range of 25-75 wt % based on total of propylene oxide and butylene oxide moieties, the ethylene oxide/propylene oxide copolymer has a concentration of ethylene oxide moieties that is greater than zero and up to 60 wt % based on the total weight of ethylene oxide and propylene oxide moieties, and wherein the concentration of the ethylene oxide/propylene oxide copolymer is greater than zero and one wt % or less based on the total weight of propylene oxide/butylene oxide and ethylene oxide/propylene oxide copolymers and the ethylene oxide/propylene oxide copolymer is a reverse copolymer or a random copolymer.
    Type: Application
    Filed: October 29, 2014
    Publication date: September 1, 2016
    Inventors: Martin R. Greaves, Evelyn A. Zaugg-Hoozemans
  • Publication number: 20160152903
    Abstract: Processes to prepare branched polyolefins for lubricant applications comprise combining at least one olefin and a coordination-insertion catalyst under conditions such that at least one oligomer product is formed. Low molecular weight by-products are fractionated out and the oligomer product is converted to a saturated hydrocarbon via hydrogenation.
    Type: Application
    Filed: June 18, 2014
    Publication date: June 2, 2016
    Inventors: Paul R. ELOWE, Wanglin YU, Brad C. BAILEY, Daniel ARRIOLA, Jerzy J. KLOSIN, Suh Joon HAN, Zenon LYSENKO, Martin R. GREAVES
  • 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
  • Publication number: 20160068780
    Abstract: Provided are lubricant compositions comprising a hydrocarbon base oil and a polyoxybutylene polymer prepared by polymerizing butylene oxide with a monol initiator and having a number average molecular weight ranging from 800 g/mol to 1200 g/mol. The polyoxybutylene polymer functions as a highly active friction-modifier additive.
    Type: Application
    Filed: May 13, 2014
    Publication date: March 10, 2016
    Inventors: Martin R. GREAVES, Evelyn A. ZAUGG-HOOZEMANS
  • Publication number: 20160060561
    Abstract: Provided are lubricant compositions comprising a base oil, a polyoxypropylene polymer, and a butyleneoxy based polyoxyalkylene polymer. The base oil, polyoxypropylene polymer and polyoxyalkylene polymer are soluble with one another.
    Type: Application
    Filed: May 13, 2014
    Publication date: March 3, 2016
    Inventors: Martin R. Greaves, Evelyn A. Zaugg-Hoozemans
  • Patent number: 9273266
    Abstract: A lubricant composition comprises a cycloaliphatic amine alkoxylate and a base oil selected from (a) a polyalkylene glycol; (b) a polyalphaolefin; (c) a naphthenic compound; and (d) combinations thereof; provided that the cycloaliphatic amine alkoxylate and the base oil are miscible. The lubricant may exhibit a viscosity change at 40° C. of less than 5 percent (%) after 13 days at 120° C. in dry air, indicating significant thermoxidative stability with minimal or no aromatic content, thereby enabling use of Groups II and III base oils, in particular, without reduced toxicity and/or quality concerns as compared with Group I base oil lubricants.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: March 1, 2016
    Inventors: Martin R. Greaves, Evelyn A. Zaugg-Hoozemans, Timothy Morley
  • Publication number: 20150284657
    Abstract: A concentrated metalworking fluid comprising from 60 to 90 percent by weight base oil selected from the group consisting of water soluble polyalkylene glycols, methoxypolyethylene glycols, polyethylene glycols, and combinations of two or more thereof; from 5 to 20 percent by weight glycol ether; from 0.01 to 5 percent by weight oil soluble polyalkylene glycol; and from 0.2 to 6 percent by weight one or more additives selected from the group consisting of anti-weld agents, corrosion inhibitors, extreme pressure additives, buffers, biocides, lubricity additives, and combinations of two or more thereof is provided. Further provided is a metalworking process.
    Type: Application
    Filed: December 12, 2012
    Publication date: October 8, 2015
    Inventors: Jiangbo MA, Martin R. GREAVES, Zhouwei YU
  • Publication number: 20150275124
    Abstract: A lubricant composition comprising from 75 to 95 percent by weight polyalphaolefin base oil; and from 7.5 to 25 percent by weight oil soluble polyalkylene glycol (OSP) additive, wherein the polyalkylene glycol has a viscosity at 40° C. from 15 cSt to 50 cSt and comprises units derived from propylene oxide and units derived from butylene oxide; wherein the lubricant composition exhibits a four ball EP weld load result of at least 160 kg and an air release value at 75° C. of less than 3 minutes is provided.
    Type: Application
    Filed: October 14, 2013
    Publication date: October 1, 2015
    Inventor: Martin R. Greaves
  • Patent number: 9057038
    Abstract: Lubricant compositions including a random or block copolymer first high-EO content polyalkylene glycol, a random copolymer second polyalkylene glycol based on propylene oxide and butylene oxide or a second polyalkylene homopolymer having propylene oxide or butylenes oxide units and at least one corrosion inhibitor selected from the group of sarcosines, amine phosphates, and calcium dinonylnaphthalenesulfonate/carboxylates are provided. Lubricant compositions for extreme conditions are also provided.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: June 16, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Martin R. Greaves, Daniel Zweifel, Evelyn A. Zaugg-Hoozemans
  • 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: 8969271
    Abstract: Certain polyalkylene glycols, useful as lubricant additives, are soluble with all four types of hydrocarbon base oils (Groups I-IV) at a wide variety of ratios of oil to polyalkylene glycol and under a variety of conditions. These polyalkylene glycols are prepared by reacting a C8-C20 alcohol and a mixed butylene oxide/propylene oxide feed, wherein the ratio of butylene oxide to propylene oxide ranges from 3:1 to 1:1. The invention provides a means of providing desirable lubricant compositions which may pose fewer environmental problems.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: March 3, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Martin R. Greaves, Ronald Vanvoorst, Marinus Meertens, Nadjet Khelidj, Evelyn Zaugg-Hoozemans
  • Publication number: 20140303053
    Abstract: A lubricant composition comprising at least 90 wt % of at least one oil soluble polyalkylene glycol (OSP), wherein the OSP comprises at least 40 wt % units derived from butylene oxide and at least 40 wt % units derived from propylene oxide, initiated by one or more initiators selected from monols, diols, and polyols; and at least 0.05 wt % of at least one anti-wear additive; wherein the lubricant composition exhibits a four ball anti-wear of less than or equal to 0.35 mm and an air release value at 50° C. of less than or equal to 1 minute is provided.
    Type: Application
    Filed: October 25, 2012
    Publication date: October 9, 2014
    Inventor: Martin R. Greaves
  • Publication number: 20140249063
    Abstract: A lubricant composition comprising a Group I, II, III or IV hydrocarbon oil and a polyalkylene glycol, the polyalkylene glycol having been prepared by reacting a C8-C20 alcohol and a mixed butylene oxide/propylene oxide feed using a double metal cyanide catalyst catalyzed oxyalkylation process, and wherein the lubricant composition remains clear and shows no phase separation at temperatures equal to and greater than the pour point of the hydrocarbon oil is provided. A method for making a lubricant composition is also provided.
    Type: Application
    Filed: September 14, 2012
    Publication date: September 4, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Martin R. Greaves, Ronald Van Voorst, Marinus Meertens