Patents by Inventor Robert E. Hefner

Robert E. Hefner 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: 8729181
    Abstract: Aromatic polycyanate compounds which comprise cycloaliphatic moieties, a process for the production thereof and resins and thermoset products which are based on these compounds.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: May 20, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Michael J. Mullins, Robert E. Hefner, Jr., Ulrich Herold, Mark B. Wilson
  • Publication number: 20140114047
    Abstract: A hybrid polyfunctional aliphatic and/or cycloaliphatic epoxy (H-PACE) resin composition comprising, consisting of or consisting essentially of: (a) a moiety selected from the group consisting of an aliphatic moiety, a cycloaliphatic moiety, and combinations thereof provided by the polyfunctional aliphatic and/or cycloaliphatic epoxy (PACE) resin; and (b) a moiety selected from the group consisting of an aliphatic moiety, a cycloaliphatic moiety, and combinations thereof, wherein said moiety is not provided by the PACE resin, is disclosed. Processes for making and using such resin composition are also disclosed.
    Type: Application
    Filed: June 14, 2012
    Publication date: April 24, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventor: Robert E. Hefner, JR.
  • Patent number: 8691932
    Abstract: A thermosetting monomer comprising at least two of an aryl-cyanato group and at least two of a phosphorus group.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 8, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Michael J. Mullins, Robert E. Hefner, Jr., Mark B. Wilson
  • Patent number: 8680217
    Abstract: The present disclosure provides for polycyclopentadiene compounds that useful as an epoxide resin and/or as an adduct for a curable composition.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: March 25, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Robert E. Hefner, Jr., Michael J. Mullins
  • Patent number: 8664341
    Abstract: Embodiments include vinylbenzyl ethers of polycyclopentadiene polyphenol that can be obtained by reacting a polycyclopentadiene polyphenol with a vinylbenzyl halide. Embodiments also include thermosettable compositions including the vinylbenzyl ethers of a polycyclopentadiene polyphenol and products obtained by curing the thermosettable compositions. Formula (I).
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: March 4, 2014
    Assignee: Dow Global Technologies, LLC
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 8609788
    Abstract: Embodiments of the present disclosure include polycyclopentadiene compounds represented by Formula (I): in which each X is either a hydrogen or a cyano group (N?C—), n has an average value from zero to 20; each m independently has a value of zero to 3; p has a value of zero to 20; each R is independently a halogen, a nitrile group, a nitro group, an alkyl group, an alkoxy group, an alkenyl group, or an alkenyloxy group, where the alkyl group, the alkoxy group, the alkenyl group, and the alkenyloxy group each independently contain 1 to 6 carbon atoms; and each Q is independently hydrogen or an alkyl group containing 1 to 6 carbon atoms. Embodiments of the present disclosure also include a curable composition that includes the polycyclopentadiene compound(s) of Formula (I) and a curing amount of a resin or a catalyst amount of a catalyst and/or a cure accelerating amount of an accelerating agent.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: December 17, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Robert E. Hefner, Jr., Michael J. Mullins, Michael L. Tulchinsky, Ernesto Occhiello
  • Publication number: 20130237642
    Abstract: A thermosettable (curable) epoxy resin composition including (A) a residual oligomeric product; wherein the residual oligomeric product comprises a polyfunctional aliphatic or cycloaliphatic epoxy resin which has been isolated from an epoxy resin product formed as a result of an epoxidation process comprising the reaction of (i) an aliphatic or cycloaliphatic hydroxyl-containing material with (ii) an epihalohydrin, (iii) a basic-acting substance, (iv) a non-Lewis acid catalyst, and (V) optionally one or more solvents; (B) an epoxy curing material comprising (i) an epoxy resin curing agent, (ii) an epoxy resin catalyst, or both an epoxy resin curing agent (i) and an epoxy resin catalyst (ii); and (C) optionally, an epoxy resin compound other than the aliphatic or cycloaliphatic polyfunctional epoxy resin (A). A thermoset may also be made from the above thermosettable composition.
    Type: Application
    Filed: August 31, 2011
    Publication date: September 12, 2013
    Applicant: Dow Global Technologies LLC
    Inventor: Robert E. Hefner, JR.
  • Patent number: 8519066
    Abstract: Embodiments include poly(allyl ether)s of polycyclopentadiene polyphenol that can be obtained by allylation of a polycyclopentadiene polyphenol, where the aromatic hydroxyl group(s) (—OH) are converted to HR1C?CR1—CH2—O— and/or H2R1C—CR1?HC—O—, where R1 is as described herein. Embodiments also include thermosettable compositions including the poly(allyl ether)s of polycyclopentadiene polyphenol and products obtained by curing the thermosettable compositions.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: August 27, 2013
    Assignee: Dow Global Technologies LLC
    Inventor: Robert E. Hefner, Jr.
  • Publication number: 20130211015
    Abstract: Embodiments include vinylbenzyl ethers of polycyclopentadiene polyphenol that can be obtained by reacting a polycyclopentadiene polyphenol with a vinylbenzyl halide. Embodiments also include thermosettable compositions including the vinylbenzyl ethers of a polycyclopentadiene polyphenol and products obtained by curing the thermosettable compositions. Formula (I).
    Type: Application
    Filed: April 21, 2011
    Publication date: August 15, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventor: Robert E. Hefner, JR.
  • Publication number: 20130178590
    Abstract: An epoxy resin composition of the following chemical structure (I), where n is a number from 1 to about 3000; each m independently has a value of 0 or 1; each R0 is independently —H or —CH3; each R1 is independently —H or a C1 to C6 alkylene radical (saturated divalent aliphatic hydrocarbon radical), Ar is a divalent aryl group or heteroarylene group; and X is a cycloalkylene group, including a substituted cycloalkylene group, where the substituent group include an alkyl, cycloalkyl, an aryl or an aralkyl group or other substituent group, for example, a halogen, a nitro, or a blocked isocyanate, an alkyloxy group; the combination of cycloalkylene and alkylene groups and the combination of alkylene and cycloalkylene group with a bridging moiety in between.
    Type: Application
    Filed: September 14, 2011
    Publication date: July 11, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Xin Jin, Ray E. Drumright, Bernhard Kainz, Jerry W. White, Robert E. Hefner, JR.
  • Publication number: 20130178601
    Abstract: A process for preparing an aliphatic or cycloaliphatic epoxy resin including the steps of: (I) reacting a mixture of (a) an aliphatic or cycloaliphatic hydroxyl containing material, (b) an epihalohydrin, (c) a basic acting substance, (d) a non-Lewis acid catalyst, and (e) optionally, a solvent, forming an epoxy resin composition; (II) subjecting the epoxy resin composition produced in step (I) to a separation process to remove (A) “light” components such as, for example, solvent used in the epoxidation reaction, if any, unreacted epihalohydrin, and co-products such as di(epoxypropyl)ether; (B) unreacted aliphatic or cycloaliphatic hydroxyl containing material, if any; (C) partially epoxidized aliphatic or cycloaliphatic hydroxyl containing material, such as, for example, MGE; (D) fully epoxidized aliphatic or cycloaliphatic hydroxyl containing material, such as, for example, DGE, such that the (E) aliphatic or cycloaliphatic polyfunctional epoxy resin product remaining contains no more than 50% by weight of s
    Type: Application
    Filed: September 7, 2011
    Publication date: July 11, 2013
    Applicant: Dow Global Technologies LLC
    Inventor: Robert E. Hefner, JR.
  • Publication number: 20130178584
    Abstract: A coating composition comprising an advanced poly epoxy ester resin polymeric composition having the following chemical structure: where n is a number from 1 to about 3000; each m independently has a value of 0 or 1; each R0 is independently —H or —CH3; each R1 is independently —H or a C1 to C6 alkylene radical (saturated divalent aliphatic hydrocarbon radical); Ar is a divalent aromatic fused-ring moiety, which is most preferably a divalent naphthalene group, substituted divalent naphthalene group, where the substitute groups include an alkyl, cycloalkyl, an aryl or an aralkyl group or other substituent; and X is cycloalkylene group, including substituted cycloalkylene group, where the substitute group include an alkyl, cycloalkyl, an aryl or an aralkyl group or other substitute group, for example, a halogen, a nitro, a blocked isocyanate, or an alkyloxy group; the combination of cycloalkylene and alkylene groups and the combination of alkylene and cycloalkylene group with a bridging moiety in between.
    Type: Application
    Filed: September 20, 2011
    Publication date: July 11, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Xin Jin, Ray E. Drumright, Bernhard Kainz, Jerry E. White, Robert E. Hefner, JR.
  • Publication number: 20130178591
    Abstract: A poly epoxy ester resin composition of the following chemical structure: where n is a number from 2 to about 3000; each m independently has a value of 0 or 1; each R0 is independently —H or —CH3; each R1 is independently —H or a C1 to C6 alkylene radical (saturated divalent aliphatic hydrocarbon radical), Ar is a divalent aryl group or heteroarylene group;_and X is cycloalkylene group, including substituted cycloalkylene group, where the substitute group include an alkyl, cycloalkyl, an aryl or an aralkyl group or other substitute group, for example, a halogen, a nitro, a blocked isocyanate, or an alkyloxy group; the combination of cycloalkylene and alkylene groups and the combination of alkylene and cycloalkylene group with a bridging moiety in between.
    Type: Application
    Filed: September 22, 2011
    Publication date: July 11, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Xin Jin, Ray E. Drumright, Bernhard Kainz, Jerry E. White, Robert E. Hefner, JR.
  • Patent number: 8461366
    Abstract: A compound comprising a class of sulfonated triorganophosphine compounds of formula R1R2P—R3[—O—(CH2)n—(SO3M)]m, wherein the R1 and R2 are selected individually from alkyl, aralkyl, and alicyclic groups, wherein R3 represents a divalent or polyvalent alkylene or alicyclic radical that is bonded to the phosphorus atom and to one or more sulfonate substituents via an alkylether link, and further wherein R3 does not contain any aryl moieties; n is an integer reflecting a number of methylene groups in the alkylether link; M represents a monovalent cation; and m is an integer representing a total number of sulfonated alkylether substituents. The compound is useful as a ligand in transition metal-ligand complex catalysts that are capable of catalyzing the hydroformylation of an olefinically-unsaturated compound with carbon monoxide and hydrogen to form one or more corresponding aldehyde products.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: June 11, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Michael L. Tulchinsky, Robert E. Hefner, Jr.
  • Publication number: 20130144015
    Abstract: An epoxy resin adduct including the reaction product of (A) at least one polyfunctional aliphatic or cycloaliphatic epoxy resin; and (B) at least one reactive compound; wherein the polyfunctional aliphatic or cycloaliphatic epoxy resin is isolated from the epoxy resin formed by the epoxidation of (i) an aliphatic or cycloaliphatic hydroxyl-containing material using (ii) an epi-halohydrin, (iii) a basic-acting substance, (iv) a non-Lewis acid catalyst, and (v) optionally one or more solvents; and wherein the re-active compound (B) comprises one or more compounds having two or more reactive hydrogen atoms per molecule and the reactive hydrogen atoms are reactive with epoxide groups. A curable epoxy resin composition includes the adduct described above. A cured epoxy resin is prepared by a process of curing the curable epoxy resin composition containing the adduct described above.
    Type: Application
    Filed: September 8, 2011
    Publication date: June 6, 2013
    Applicant: Dow Global Technologies LLC
    Inventor: Robert E. Hefner
  • Publication number: 20130143982
    Abstract: A coating composition comprising an advanced epoxy resin polymeric composition having the following chemical structure:(formula) I where n is a number from 1 to about 3000; each m independently has a value of 0 or 1; each R0 is independently —H or —CH3; each R1 is independently —H or a C1 to C6 alkylene radical (saturated divalent aliphatic hydrocarbon radical); R?1—R?4 are independently hydrogen, an alkyl, cycloalkyl, an aryl or an aralkyl group or other substituent, for example, a nitro, an isocyanate, or an alkyloxy group; additionally, any two of R?1-R?4 may form fused ring independently; and X is cycloalkylene group, including substituted cycloalkylene group, where the substituent groups include an alkyl, cycloalkyl, an aryl or an aralkyl group or other substituent group, for example, a halide, a cyano, a nitro, a blocked isocyanate, or an alkyloxy group; the combination of cycloalkylene and alkylene groups and the combination of alkylene and cycloalkylene group with a bridging moiety in between.
    Type: Application
    Filed: September 13, 2011
    Publication date: June 6, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Xin Jin, Ray E. Drumright, Bernhard Kainz, Jerry E. White, Robert E. Hefner
  • Publication number: 20130046067
    Abstract: The present disclosure provides for polycyclopentadiene compounds that useful as an epoxide resin and/or as an adduct for a curable composition.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 21, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Robert E. Hefner, JR., Michael J. Mullins
  • Publication number: 20130046065
    Abstract: Embodiments of the present disclosure include polycyclopentadiene compounds represented by Formula (I): in which each X is either a hydrogen or a cyano group (N?C—), n has an average value from zero to 20; each m independently has a value of zero to 3; p has a value of zero to 20; each R is independently a halogen, a nitrile group, a nitro group, an alkyl group, an alkoxy group, an alkenyl group, or an alkenyloxy group, where the alkyl group, the alkoxy group, the alkenyl group, and the alkenyloxy group each independently contain 1 to 6 carbon atoms; and each Q is independently hydrogen or an alkyl group containing 1 to 6 carbon atoms. Embodiments of the present disclosure also include a curable composition that includes the polycyclopentadiene compound(s) of Formula (I) and a curing amount of a resin or a catalyst amount of a catalyst and/or a cure accelerating amount of an accelerating agent.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 21, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Robert E. Hefner, JR., Michael J. Mullins, Michael L. Tulchinsky, Ernesto Occhiello
  • Publication number: 20130041116
    Abstract: A thermosetting monomer comprising at least two of an aryl-cyanato group and at least two of a phosphorus group.
    Type: Application
    Filed: December 22, 2010
    Publication date: February 14, 2013
    Inventors: Michael J. Mullins, Robert E. Hefner, JR., Mark B. Wilson
  • Publication number: 20130041114
    Abstract: Embodiments include poly(allyl ether)s of polycyclopentadiene polyphenol that can be obtained by allylation of a polycyclopentadiene polyphenol, where the aromatic hydroxyl group(s) (—OH) are converted to HR1C?CR1—CH2—O— and/or H2R1C—CR1?HC—O—, where R1 is as described herein. Embodiments also include thermosettable compositions including the poly(allyl ether)s of polycyclopentadiene polyphenol and products obtained by curing the thermosettable compositions.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 14, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventor: Robert E. Hefner, JR.