Patents by Inventor Bharat I Chaudhary

Bharat I Chaudhary 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: 20190027269
    Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 89 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190 C and 10% strain of 1,200 Pa·s or less, (iii) a shear thinning ratio (V0.1/V100) at 190 C and 10% strain of at least 8, and (iv) a melt index (I2) greater than 1 g/10 minutes; and (b) 10 to less than 90 weight percent of a filler, where the ethylene-based interpolymer is not prepared in a high-pressure reactor. Such crosslinkable polymeric compositions may be employed as insulation layers in flexible power cables.
    Type: Application
    Filed: August 22, 2016
    Publication date: January 24, 2019
    Inventors: Bharat I. Chaudhary, Juan C. Tuberquia, Rennisha Wickham, Philip P. Fontaine, Colin Li Pi Shan, Morgan M. Hughes, Jan Bazen, Edward O. Madenjian, Gregory J. Brennan
  • Patent number: 10119015
    Abstract: A moisture-curable polymeric composition comprising a polyolefin having hydrolyzable silane groups, a halogenated polymer, and a metal mercaptide. Such moisture-curable polymeric compositions, and crosslinked compositions prepared therefrom, can be used in the production of various articles of manufacture, such as coated conductors.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: November 6, 2018
    Assignees: Dow Global Technologies LLC
    Inventors: Bharat I. Chaudhary, Amy L. Waxman, Aleksander Gorshenin
  • Publication number: 20180312662
    Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 99 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190° C. and 10% strain of 1,200 Pa-s or less, and (iii) a shear thinning ratio (V0.1/V100) at 190° C. and 10% strain of at least 8; and (b) 0 to less than 10 weight percent of a filler, where the ethylene-based interpolymer is not prepared in a high-pressure reactor. Such crosslinkable polymeric compositions may be employed as insulation layers in flexible power cables.
    Type: Application
    Filed: August 22, 2016
    Publication date: November 1, 2018
    Applicants: Dow Global Technologies LLC, Dow Global Technologies LLC
    Inventors: Bharat I. Chaudhary, Juan C. Tuberquia, Rennisha Wickham, Philip P. Fontaine, Colin Li Pi Shan, Morgan M. Hughes, Jan Bazen, Edward O. Madenjian, Gregory J. Brennan
  • Publication number: 20180305533
    Abstract: Crosslinkable polymeric compositions comprising: (a) a polymer blend comprising: (1) 10 to 94 weight percent, based on the total weight of the crosslinkable polymeric composition, of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a melt index (I2) at 190° C. of greater than 0.2 g/10 minutes, and (iii) a shear thinning ratio (V0.1/V100) at 190° C. and 10% strain of less than 8; and (2) 5 to 90 weight percent, based on the total weight of the crosslinkable polymeric composition, of a high-pressure polyethylene; and (b) 0 to less than 40 weight percent, based on the total weight of the crosslinkable polymeric composition, of a filler, where the ethylene-based interpolymer of component (a) is not prepared in a high-pressure reactor or process. Additionally, the polymer blend has the following properties: (i) a shear thinning ratio (V0.1/V100) at 190° C.
    Type: Application
    Filed: October 13, 2016
    Publication date: October 25, 2018
    Inventors: Bharat I. Chaudhary, Rennisha Wickham, Morgan M. Hughes, Juan C. Tuberquia
  • Patent number: 10100172
    Abstract: Plasticizers comprising a succinate ester and an epoxidized natural oil and plasticized polymeric compositions comprising such plasticizers. Such plasticized polymeric compositions can be employed in forming various articles of manufacture, such as coated conductors.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: October 16, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Bharat I. Chaudhary, Jeffrey M. Cogen, Paul D. Ries
  • Patent number: 10096404
    Abstract: A power cable comprising: (A) a conductor, (B) an insulation layer, and (C) a semiconductor layer comprising in weight percent based on the weight of the semiconductor layer: (1) 49-98% of a crosslinked olefin block copolymer (OBC) having a density less than (<) 0.9 grams per cubic centimeter (g/cm3), a melt index greater than (>) 1, and comprising in weight percent based on the weight of the OBC: (a) 35-80% soft segment that comprises 5-50 mole percent (mol %) of units derived from a monomer comprising 3 to 30 carbon atoms; and (b) 20-65% hard segment that comprises 0.2-3.5 mol % of units derived from a monomer comprising 3 to 30 carbon atoms; (2) 2-51% conductive filler, the insulation layer and semiconductor layer in contact with one another, is degassed by a process comprising the step of exposing the cable to a temperature of at least 80° C. for a period of time of at least 24 hours.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: October 9, 2018
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Paul J. Brigandi, Bharat I. Chaudhary, Jeffrey C. Munro, Gary R. Marchand
  • Publication number: 20180247730
    Abstract: A peroxide-curable ethylene copolymer composition comprising (A) a crosslinkable ethylene/unsaturated carboxylic ester copolymer, (B) an effective amount of triallyl phosphate (TAP), (C) an organic peroxide, and, optionally, (D) a supplemental polyolefin. Also provided are a cured product made from the composition, methods of making and using same, and articles containing same.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 30, 2018
    Applicant: Dow Global Technologies LLC
    Inventor: Bharat I. Chaudhary
  • Publication number: 20180247729
    Abstract: A peroxide-curable ethylene copolymer composition comprising (A) a crosslinkable ethylene/unsaturated carboxylic ester copolymer, (B) an effective amount of triallyl phosphate (TAP), (C) an organic peroxide, and, optionally, (D) a supplemental polyolefin. Also provided are a cured product made from the composition, methods of making and using same, and articles containing same.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 30, 2018
    Applicant: Dow Global Technologies LLC
    Inventor: Bharat I. Chaudhary
  • Publication number: 20180163039
    Abstract: An insulated wire or cable is made by a process comprising the steps of: (A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of <0.5% and comprising: (1) a high melt strength ethylene-based polymer made in a tubular reactor, and (2) a peroxide, and (B) crosslinking the high melt strength ethylene-based polymer.
    Type: Application
    Filed: May 25, 2016
    Publication date: June 14, 2018
    Inventors: Bharat I. Chaudhary, Christopher R. Eddy, Sarat Munjal, Kalyan Sehanobish, Hayley Brown, John Osby, Jose Ortega
  • Publication number: 20180134882
    Abstract: Compositions useful for the manufacture of cable insulation sheaths comprise, in weight percent based on the weight of the composition: (A) 85 to 99% low density polyethylene (LDPE) having a crystallinity of greater than 40%; (B) 1 to less than 14% propylene polymer having an upper melting point of greater than or equal to (?) 130° C.; and (C) ?0.5% peroxide.
    Type: Application
    Filed: May 24, 2016
    Publication date: May 17, 2018
    Inventor: Bharat I. Chaudhary
  • Publication number: 20180127555
    Abstract: Scorch of a silane-functionalized polyolefin is minimized during melt mixing with a flame retardant through the use of a polydimethylsiloxane (PDMS) having a (1) number average molecular weight (Mn) greater than or equal to (?) 4,000 grams per mole (g/mol), (2) viscosity of greater than or equal to (?) 90 centipoise (cP), and (3) hydroxyl group content of less than or equal to (?) 0.9 weight percent (wt %) based on the weight of the PDMS.
    Type: Application
    Filed: April 12, 2016
    Publication date: May 10, 2018
    Inventors: Bharat I. Chaudhary, Amy L. Waxman, Peter C. Dreux, Kurt A. Bolz, III
  • Patent number: 9938423
    Abstract: Plasticizers comprising a dialkyl 2,5-furandicarboxylate and plasticized polymeric compositions comprising such plasticizers. Such plasticized polymeric compositions can be employed in forming various articles of manufacture, such as coated conductors.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: April 10, 2018
    Assignee: Dow Global Technologies LLC
    Inventor: Bharat I. Chaudhary
  • Patent number: 9890266
    Abstract: Plasticizers comprising a dialkyl 2,5-furandicarboxylate and plasticized polymeric compositions comprising such plasticizers. Such plasticized polymeric compositions can be employed in forming various articles of manufacture, such as coated conductors.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: February 13, 2018
    Assignee: Dow Global Technologies LLC
    Inventor: Bharat I. Chaudhary
  • Patent number: 9850366
    Abstract: Epoxidized fatty acid alkyl ester and methods for making epoxidized fatty acid alkyl ester. The epoxidized fatty acid alkyl ester is prepared from a fatty acid alkyl ester starting material comprising at least one of mono-unsaturated and di-unsaturated fatty acid alkyl ester molecules in a combined amount of at least 85 weight percent. Such epoxidized fatty acid alkyl esters can be employed in plasticizer compositions, either alone or in combination with other plasticizers, such as epoxidized natural oils. Such plasticizers in turn may be used in the formation of polymeric compositions.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: December 26, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Neeta Rao, Saurabh Kaujalgikar, Bharat I. Chaudhary, Shreyas Bhide, Shantaram Morye, Sachin Agashe
  • Publication number: 20170349800
    Abstract: A fluid composition comprises a triglyceride, having at least one alpha-branched fatty acid residue, wherein each alpha-branched fatty acid residue comprises at least one saturated or mono-unsaturated alkyl chain having a total number of carbon atoms ranging from 12 to 20, and wherein the triglyceride has at least one of (a) a flash point of at least 185° C., (b) a fire point of at least 230° C., (c) a pour point of ?25° C. or lower, or (d) a combination thereof. The fluid composition may be useful, for example, as a dielectric fluid and/or as a heat transfer fluid in transformers and other electrical device applications.
    Type: Application
    Filed: October 22, 2014
    Publication date: December 7, 2017
    Inventors: Kaustubh Gupte, Bharat I. Chaudhary, Domonique Downing, Nolan T. McDougal, Sreejit Nair
  • Publication number: 20170227304
    Abstract: Thermally conductive materials comprising an olefin block composite and a thermally conductive filler, where the thermally conductive filler is present in an amount sufficient to increase the thermal conductivity of the olefin block composite relative to the olefin block composite in its neat state. Such thermally conductive materials can be used in various articles of manufacture, such as a thermal interface material or a molded heat dissipation component.
    Type: Application
    Filed: October 14, 2015
    Publication date: August 10, 2017
    Inventors: Mohamed Esseghir, Bharat I. Chaudhary, Jeffrey M. Cogen, Gary R. Marchand
  • Patent number: 9685255
    Abstract: A lead-free composition comprising: (A) Polyvinyl chloride (PVC); (B) Bioplasticizer; (C) Calcium Carbonate; and (D) Calcined clay; with the combined weight of the calcium carbonate and calcined clay in the composition in the range of 1 to 15 weight percent, and the weight ratio of calcium carbonate to calcined clay in the range of 15:85 to 85:15. In one embodiment the invention is an insulation sheath for a wire or cable made from the lead-free composition described in the preceding embodiment. In one embodiment the invention is a wire or cable comprising the insulation sheath of the preceding embodiment.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: June 20, 2017
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Day-Chyuan Lee, Bharat I. Chaudhary, Bret P. Neese
  • Patent number: 9663645
    Abstract: Optical cable components fabricated from an extrudable polymeric blend of crystalline polypropylene modified with one or more impact-modifying polymers. The impact-modifying polymers are selected from an olefin multi-block interpolymer, an olefin block composite, and combinations thereof. Optionally, the polymeric blend can further comprise an elastomer other than the impact-modifying polymer. The polymeric blend may also contain one or more additives. The optical fiber cable components can be selected from buffer tubes, core tubes, and slotted core tubes.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: May 30, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Gangwei Sun, Bharat I. Chaudhary, Chester J. Kmiec, Gary R. Marchand, Yushan Hu
  • Publication number: 20170121514
    Abstract: A moisture-curable polymeric composition comprising a polyolefin having hydrolyzable silane groups, a halogenated polymer, and a metal mercaptide. Such moisture-curable polymeric compositions, and crosslinked compositions prepared therefrom, can be used in the production of various articles of manufacture, such as coated conductors.
    Type: Application
    Filed: May 20, 2015
    Publication date: May 4, 2017
    Inventors: Bharat I. Chaudhary, Amy L. Waxman, Aleksander Gorshenin
  • Patent number: 9607730
    Abstract: A vegetable-based dielectric fluid comprising in weight percent of triglycerides based on the weight of the fluid: A. Greater than 0 to 100% of at least one of C14:1 or C16:1 fatty acids; and at least one of: B. No more than (?) 10% of C18:1 fatty acids; C. No more than (?) 12% of one or more polyunsaturated fatty acids; and D. No more than (?) 7% of one or more saturated fatty acids. The dielectric fluid is a useful transformer oil.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: March 28, 2017
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Sreejit Nair, Kaustubh S. Gupte, Thomas S. Lin, Jeffrey M. Cogen, Bharat I. Chaudhary, Anny L. Flory