Patents Assigned to SI Group, Inc.
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Patent number: 11945933Abstract: The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): ?wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: ?a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; ?a di-hydroxybenzene; and/or ?a tri-hydroxybenzene.Type: GrantFiled: October 18, 2021Date of Patent: April 2, 2024Assignee: SI Group, Inc.Inventors: Jonathan Hill, Maurice Power
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Patent number: 11932746Abstract: The present invention relates to stabilising compositions, particularly stabilising compositions which can be used to stabilise insulation or semi-conductive compositions, such as are used for electrically insulating wires and cables. The stabilising composition comprises: a first stabilising component comprising at least one fully hindered phenolic antioxidant; a second stabilising component comprising at least one partially hindered phenolic antioxidant; and a third stabilising component comprising at least one sulphur-containing antioxidant.Type: GrantFiled: November 25, 2014Date of Patent: March 19, 2024Assignee: SI Group, Inc.Inventors: Jonathan Hill, Siren Tan, Christopher Rider
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Patent number: 11879050Abstract: The invention concerns an antidegradant blend for polymers, comprising: a. an antioxidant selected from one or more of: i. a phenolic antioxidant; ii. an organic phosphite antioxidant; and: b. an inorganic antioxidant or reducing agent; wherein the composition is absent any metal carboxylate or buffering agent having the capacity to buffer in aqueous solution at a pH range from 4 to 8.Type: GrantFiled: April 29, 2019Date of Patent: January 23, 2024Assignee: SI GROUP, INC.Inventors: Warren J. Ebenezer, Jonathan Hill
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Patent number: 11795257Abstract: The present invention relates to a precursor material for an insulation composition, comprising: a crosslinkable graft polymer comprising a polyolefin component and a polyene component; and an antioxidant. The present invention also relates to an insulation composition obtained from the precursor material.Type: GrantFiled: August 14, 2018Date of Patent: October 24, 2023Assignee: SI Group, Inc.Inventors: Denis Louis Emile Labbe, Christopher John Rider, Warren J. Ebenezer, Jonathan Hill
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Patent number: 11713386Abstract: The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): ?wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: ?a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; ?a di-hydroxybenzene; and/or ?a tri-hydroxybenzene.Type: GrantFiled: October 19, 2021Date of Patent: August 1, 2023Assignee: SI Group, Inc.Inventors: Jonathan Hill, Maurice Power
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Patent number: 11572455Abstract: The present invention is directed to an antidegradant blend, comprising: at least one metal carboxylate; at least one inorganic phosphite; at least one phenolic antioxidant; and at least one organic phosphite antioxidant. As examples, the metal carboxylate may comprise a metal stearate, a metal lactate and/or a metal benzoate while the inorganic phosphite may comprise one or more metal hypophosphites.Type: GrantFiled: October 11, 2018Date of Patent: February 7, 2023Assignee: SI Group, Inc.Inventors: Jonathan Hill, Warren J. Ebenezer
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Patent number: 11560526Abstract: In one embodiment, an alkylphenol copolymer is disclosed wherein the copolymer comprises at least one alkylphenol monomer and the alkylphenol copolymer exhibits the following: an oscillation displacement ? of greater than 0 at a temperature of ?5° C. in a first oscillation temperature sweep and an oscillation displacement ? in a second oscillation temperature sweep within 25% of the oscillation displacement ? in the first oscillation temperature sweep at a temperature of ?5° C. In a further embodiment, a petroleum composition is disclosed wherein the composition comprises a petroleum source and a macromolecular compound wherein the macromolecular compound exhibits the following: an oscillation displacement ? of greater than 0 at a temperature of ?10° C. in a first oscillation temperature sweep, and an oscillation displacement ? in a second oscillation temperature sweep within 25% of the oscillation displacement ? in the first oscillation temperature sweep at a temperature of ?10° C.Type: GrantFiled: March 6, 2019Date of Patent: January 24, 2023Assignee: SI Group, Inc.Inventors: Kelly S. Chichak, Joseph T. Doane, Brian Christofel, Elliott W. Shanklin
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Patent number: 11390987Abstract: This invention relates to a process for making phenolic fatty acid compounds having a reduced phenolic ester content. The invention also relates to method for chemically bonding a phenolic resin with a non-phenolic polymer (e.g., a synthetic fabric). The method comprises contacting a phenolic fatty acid compound with a non-phenolic polymer to introduce a hydroxy phenyl functional group into the non-phenolic polymer; and reacting the hydroxy phenyl functional group contained in the non-phenolic polymer with a phenolic resin or a phenolic crosslinker composition capable of forming a phenolic resin, to chemically bond the phenolic resin with the non-phenolic polymer. The invention is particularly useful for making a synthetic fabric-reinforced article, such as synthetic fabric-reinforced rubber article, circuit board substrate, or fiberglass.Type: GrantFiled: March 13, 2015Date of Patent: July 19, 2022Assignee: SI GROUP, INC.Inventors: Timothy Edward Banach, Gary Robideau, L. Scott Howard, Gennaro Barbiero
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Patent number: 11345846Abstract: An alkylphenol copolymer, such as for use in a petroleum composition, is provided. The alkylphenol copolymer has at least the following repeating unit (I): wherein: A is a direct bond or an alkylene; X is —C(O)O—, —OC(O)—, —C(O)N(R6)—, —N(R6)C(O)—, —C(O)—, —N(R6)—, —O—, or —S—; R6 is H or an alkyl; R1 includes a C1-C80 alkyl, a C2-C20 alkenyl, a C2-C20 alkynyl, a C3-C12 aryl, or a polyether; and n is an integer from 1 to 200. The present invention also provides a method for forming the alkylphenol copolymer containing the aforementioned repeating unit (I) as well as a method for forming a monomer for forming repeating unit (I).Type: GrantFiled: July 2, 2020Date of Patent: May 31, 2022Assignee: SI Group, Inc.Inventor: Kelly S. Chichak
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Patent number: 11225450Abstract: This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step.Type: GrantFiled: November 2, 2020Date of Patent: January 18, 2022Assignee: SI GROUP, INC.Inventors: Cornelius Haase, Ricky Biittig, Allyson Staats, Philip David Atwood, Jim Webb, Kelly Chichak
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Patent number: 11192973Abstract: This invention relates to compositions and a process for stabilizing or solubilize a phenolic resin containing a mixture of linear phenolic resins and calixarenes. The process comprises contacting the phenolic resin with an epoxide, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes. This process forms a stabilized or solubilized phenolic resin with an increased solubility in a hydrocarbon solvent.Type: GrantFiled: December 9, 2020Date of Patent: December 7, 2021Assignee: SI GROUP, INC.Inventors: Ricky Biittig, Matthew Meketa
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Patent number: 11155667Abstract: The invention relates to an in-situ process for preparing an alkylphenol-aldehyde resin. The process comprises the step of providing a raw alkylphenol composition. The raw alkylphenol composition comprises one or more alkylphenol compounds and at least about 1 wt % phenol. Each alkylphenol compound has one or more alkyl substituents. The raw alkylphenol composition is reacted directly, without pre-purification, with one or more aldehydes to form an in-situ alkylphenol-aldehyde resin. The invention also relates to an in-situ alkylphenol-aldehyde resin formed from the in-situ process, and its use in a tackifier composition and rubber composition. The tackifier composition and rubber composition containing the in-situ alkylphenol-aldehyde resin show, inter alia, improved tack performance.Type: GrantFiled: April 7, 2020Date of Patent: October 26, 2021Assignee: SI GROUP, INC.Inventors: Timothy Edward Banach, John Morgan Whitney, Jeffrey M. Hiscock, Todd Scott Makenzie, Gennaro Barbiero
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Patent number: 11072572Abstract: This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step.Type: GrantFiled: August 13, 2020Date of Patent: July 27, 2021Assignee: SI GROUP, INC.Inventors: Cornelius Haase, Ricky Biittig, Allyson Staats, Philip David Atwood, Jim Webb, Kelly Chichak
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Patent number: 10961475Abstract: An asphaltene dispersant composition is provided. The composition may contain an alkylphenol copolymer having the following repeating units (A) and (B): wherein, x is an integer from 1 to 200; y is an integer from 2 to 200; R1 is a straight or branched C1-C15 alkyl; and R2 is a straight or branched C2-C40 alkyl, wherein R2 is different than R1.Type: GrantFiled: March 6, 2019Date of Patent: March 30, 2021Assignee: SI Group, Inc.Inventors: Joseph T. Doane, Kelly S. Chichak, Brian Christofel, Elliott W. Shanklin
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Patent number: 10961476Abstract: An alkylphenol copolymer, such as for use in a petroleum composition, is provided. The alkylphenol copolymer has the following repeating units (A) and (B): wherein, x is an integer from 1 to 200; y is an integer from 2 to 200; R1 is a straight or branched C1-C15 alkyl; and R2 is a straight or branched C2-C40 alkyl, wherein R2 is different than R1.Type: GrantFiled: March 6, 2019Date of Patent: March 30, 2021Assignee: SI Group, Inc.Inventors: Kelly S. Chichak, Joseph T. Doane, Brian Christofel, Elliott W. Shanklin
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Patent number: 10961474Abstract: A paraffin inhibitor composition that exhibits stable properties at low temperature is provided. The composition may contain, for instance, an alkylphenol copolymer having the following repeating units (A) and (B): wherein, x is an integer from 1 to 200; y is an integer from 2 to 200; R1 is a straight or branched C1-C15 alkyl; and R2 is a straight or branched C16-C40 alkyl.Type: GrantFiled: March 6, 2019Date of Patent: March 30, 2021Assignee: SI Group, Inc.Inventors: Kelly S. Chichak, Joseph T. Doane, Brian Christofel, Elliott W. Shanklin
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Patent number: 10889677Abstract: This invention relates to compositions and a process for stabilizing or solubilize a phenolic resin containing a mixture of linear phenolic resins and calixarenes. The process comprises contacting the phenolic resin with an epoxide, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes. This process forms a stabilized or solubilized phenolic resin with an increased solubility in a hydrocarbon solvent.Type: GrantFiled: January 24, 2018Date of Patent: January 12, 2021Assignee: SI GROUP, INC.Inventors: Ricky Biittig, Matthew Meketa
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Patent number: 10875953Abstract: This invention relates to an alkoxylated calixarene resin comprising one or more modified calixarene alkoxylate compounds. The invention also relates to a process for preparing a solubilized alkoxylated calixarene resin comprising reacting a phenolic resin mixture, comprising linear phenolic resins and calixarene compounds having phenolic hydroxyl groups, with one or more epoxide-containing compounds to alkoxylate one or more of the phenolic hydroxyl groups of the calixarene compounds to form a solubilized phenolic resin mixture, and reacting the solubilized phenolic resin mixture with one or more alkylene oxides.Type: GrantFiled: January 24, 2018Date of Patent: December 29, 2020Assignee: SI GROUP, INC.Inventors: Matthew Meketa, Cornelius Haase, Robert Cable, Ricky Biittig, Allyson Staats
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Patent number: 10851224Abstract: This invention relates to a phenolic resin composition comprising a phenolic resin admixed with and/or modified by one or more functionalized organosulfur compounds. This invention also relates to a rubber composition comprising (i) a natural rubber, a synthetic rubber, or a mixture thereof; (ii) one or more phenolic resins; and (iii) one or more functionalized organosulfur compounds. The interaction between the component (i) and the components (ii) and (iii) reduces the hysteresis increase compared to a rubber composition without the component (iii), upon curing the rubber composition. The invention also relates to a process for preparing the phenolic resin composition, a process for preparing the rubber composition, and a process for reducing the hysteresis increase caused in a rubber composition when a phenolic resin is added to a rubber composition.Type: GrantFiled: March 14, 2019Date of Patent: December 1, 2020Assignee: SI GROUP, INC.Inventors: John M. Whitney, Darren C. Seel, Alexandra Krawicz, Timothy E. Banach
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Patent number: 10843990Abstract: This invention relates to a one-pot synthesis of a high-purity calix[4]arene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calix[8]arene compound, and cleaving the calix[8]arene compound into a high-purity calix[4]arene compound, directly, without carrying out a purification step before the cleaving step. The invention also relates to an improved conversion of a calix[8]arene compound to a calix[4]arene compound, by cleaving a calix[8]arene compound in a glycol ether solvent having a boiling point of at least about 200° C., to result in a high-purity calix[4]arene compound, without using an antisolvent.Type: GrantFiled: February 8, 2019Date of Patent: November 24, 2020Assignee: SI GROUP, INC.Inventors: Cornelius Haase, Jeff Hiscock, Philip David Atwood