Patents Assigned to Vinyl Corporation
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Patent number: 11773499Abstract: A system and method for removing impurities to reconstitute a NaCl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfite (NaHSO3), sodium chlorate (NaClO3) and sodium iodide (NaI) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system. The evaporation system includes a set of evaporators that concentrates the brine. Sodium chloride is precipitated from the set of evaporators to the brine treatment system. Impurities are precipitated from the set of evaporators. The brine treatment system includes a hydrocyclone and a centrifuge that separates sodium chloride from water. The sodium chloride is mixed with water to create a concentrated and purified brine.Type: GrantFiled: September 21, 2021Date of Patent: October 3, 2023Assignee: Westlake Vinyl CorporationInventor: Anthony B. Davis
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Publication number: 20220002888Abstract: A system and method for removing impurities to reconstitute a NaCl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfite (NaHSO3), sodium chlorate (NaClO3) and sodium iodide (NaI) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system. The evaporation system includes a set of evaporators that concentrates the brine. Sodium chloride is precipitated from the set of evaporators to the brine treatment system. Impurities are precipitated from the set of evaporators. The brine treatment system includes a hydrocyclone and a centrifuge that separates sodium chloride from water. The sodium chloride is mixed with water to create a concentrated and purified brine.Type: ApplicationFiled: September 21, 2021Publication date: January 6, 2022Applicant: Westlake Vinyl CorporationInventor: Anthony B. Davis
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Patent number: 11124887Abstract: A system and method for removing impurities to reconstitute a NaCl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfite (NaHSO3), sodium chlorate (NaClO3) and sodium iodide (NaI) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system. The evaporation system includes a set of evaporators that concentrates the brine. Sodium chloride is precipitated from the set of evaporators to the brine treatment system. Impurities are precipitated from the set of evaporators. The brine treatment system includes a hydrocyclone and a centrifuge that separates sodium chloride from water. The sodium chloride is mixed with water to create a concentrated and purified brine.Type: GrantFiled: March 11, 2019Date of Patent: September 21, 2021Assignee: Westlake Vinyl CorporationInventor: Anthony B. Davis
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Publication number: 20190203367Abstract: A system and method for removing impurities to reconstitute a NaCl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfite (NaHSO3), sodium chlorate (NaClO3) and sodium iodide (NaI) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system. The evaporation system includes a set of evaporators that concentrates the brine. Sodium chloride is precipitated from the set of evaporators to the brine treatment system. Impurities are precipitated from the set of evaporators. The brine treatment system includes a hydrocyclone and a centrifuge that separates sodium chloride from water. The sodium chloride is mixed with water to create a concentrated and purified brine.Type: ApplicationFiled: March 11, 2019Publication date: July 4, 2019Applicant: Westlake Vinyl CorporationInventor: Anthony B. Davis
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Patent number: 10233551Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and flash evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and flash evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: GrantFiled: March 23, 2015Date of Patent: March 19, 2019Assignee: WESTLAKE VINYL CORPORATIONInventors: Anthony B. Davis, Thomas H. Yohe, Russell F. Dunn
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Patent number: 10227702Abstract: A system and method for removing impurities to reconstitute a NaCl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfate (NaHSO3), sodium chlorate (NaClO3) and sodium iodide (NaI) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system. The evaporation system includes a set of evaporators that concentrates the brine. Sodium chloride is precipitated from the set of evaporators to the brine treatment system. Impurities are precipitated from the set of evaporators. The brine treatment system includes a hydrocyclone and a centrifuge that separates sodium chloride from water. The sodium chloride is mixed with water to create a concentrated and purified brine.Type: GrantFiled: December 4, 2015Date of Patent: March 12, 2019Assignee: Westlake Vinyl CorporationInventor: Anthony B. Davis
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Patent number: 10041180Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and flash evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and flash evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: GrantFiled: March 23, 2015Date of Patent: August 7, 2018Assignee: WESTLAKE VINYL CORPORATIONInventors: Anthony B. Davis, Thomas H. Yohe, Russell F. Dunn
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Publication number: 20160160367Abstract: A system and method for removing impurities to reconstitute a NaCl stream to a saturated solution salt solution and remove any impurities such as sodium bisulfate (NaHSO3), sodium chlorate (NaClO3) and sodium iodide (NaI) to improve brine quality from an electrolytic cell is disclosed, including an evaporation system connected to the electrolytic cell, a brine treatment system connected to the evaporation system and the electrolytic cell. A waste treatment system is connected to the evaporation system. The evaporation system includes a set of evaporators that concentrates the brine. Sodium chloride is precipitated from the set of evaporators to the brine treatment system. Impurities are precipitated from the set of evaporators. The brine treatment system includes a hydrocyclone and a centrifuge that separates sodium chloride from water. The sodium chloride is mixed with water to create a concentrated and purified brine.Type: ApplicationFiled: December 4, 2015Publication date: June 9, 2016Applicant: Westlake Vinyl CorporationInventor: Anthony B. Davis
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Publication number: 20150191838Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and flash evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and flash evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: ApplicationFiled: March 23, 2015Publication date: July 9, 2015Applicant: WESTLAKE VINYL CORPORATIONInventors: Anthony B. Davis, Thomas H. Yohe, Russell F. Dunn
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Publication number: 20150191837Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and flash evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and flash evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: ApplicationFiled: March 23, 2015Publication date: July 9, 2015Applicant: WESTLAKE VINYL CORPORATIONInventors: Anthony B. Davis, Thomas H. Yohe, Russell F. Dunn
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Patent number: 8986517Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and flash evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and flash evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: GrantFiled: October 12, 2012Date of Patent: March 24, 2015Assignee: Westlake Vinyl CorporationInventors: Anthony B. Davis, Thomas H. Yohe, Russell F. Dunn
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Publication number: 20130105332Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and flash evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and flash evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: ApplicationFiled: October 12, 2012Publication date: May 2, 2013Applicant: WESTLAKE VINYL CORPORATIONInventor: WESTLAKE VINYL CORPORATION
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Patent number: 8317994Abstract: A method for concentrating an aqueous caustic alkali produced by a membrane cell process by using a single or multiple effect evaporator system in which the vapor flows in a counter direction to the aqueous caustic alkali flow and the heat recovered from the catholyte circulation line is used as part of the concentration process. In one embodiment, a catholyte heat recovery heat exchanger and evaporation chamber are located after the last effect of a multiple effect evaporator system. In another embodiment, the catholyte heat recovery heat exchanger and evaporation chamber are located prior to the single or multiple effect evaporator system. In yet another embodiment, the catholyte heat recovery process is used in conjunction with additional heat exchanger processes to further concentrate the final product as desired.Type: GrantFiled: August 7, 2008Date of Patent: November 27, 2012Assignee: Westlake Vinyl CorporationInventors: Anthony B. Davis, Thomas H. Yohe, Russell F. Dunn
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Publication number: 20090075539Abstract: Fire-retardant, heat-resistant, smoke-suppressant plastic materials, such as polyvinyl chloride, having incorporated therein an intumescent material are disclosed. The intumescent material comprise and intumescent catalyst selected from the group consisting of salts of phosphoric acid and salts of sulfuric acid; and a carbonific material selected from the group consisting of starches, sugars, sugar alcohols, oils, and plasticizers. The fire-retardant, heat-resistant, smoke-suppressant plastic materials may be in the form of a foamed or non-foamed plastic. Methods of making such plastic materials are also disclosed.Type: ApplicationFiled: September 27, 2005Publication date: March 19, 2009Applicant: TPR2 Vinyl CorporationInventors: Felix A. Dimanshteyn, Richard J. Barone
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Patent number: 6392011Abstract: Granules of a polyvinyl chloride resin for preparation of paste which comprise 10% by weight or less of components having diameters of 10 &mgr;m or smaller and less than 0.5% by weight of over size components after classification using a 149 &mgr;m standard sieve, have a bulk density of 0.45 to 0.58 g/cm3 and give a plastisol comprising less than 0.Type: GrantFiled: July 26, 2000Date of Patent: May 21, 2002Assignee: Shin Dai-ichi Vinyl CorporationInventors: Eitaro Nakamura, Tadashi Takizawa, Manabu Makino, Tomoyuki Kose, Yoshimitu Nagatomo
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Patent number: 6134847Abstract: A construction accessory for use with a construction panel includes a flange having an inner surface adapted to face the construction panel and an outer surface opposite the inner surface. The flange further includes at least one perforation extending through the flange between the inner surface and the outer surface and a depression in the inner surface. The depression is in communication with said at least one perforation.Type: GrantFiled: July 12, 1999Date of Patent: October 24, 2000Assignee: Vinyl CorporationInventors: Gabriel F. Bifano, Erenio Reyes
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Patent number: 6070374Abstract: An edge strip for being mounted along a base structure includes a first axially extending flange, a second axially extending flange obliquely extending from the first flange. The second flange includes a first support and a second support. The first support is configured for being mounted adjacent to the base structure and includes a first head portion, a first neck portion between the first head portion and the first flange, a second neck portion spaced from the first neck portion between the head portion and the first flange, and a first strut between the first and second neck portions. The first strut has a width greater than the widths of the first and second neck portions. The second support is adjacent the first support and is configured for being mounted adjacent to the base structure.Type: GrantFiled: October 5, 1998Date of Patent: June 6, 2000Assignee: Vinyl CorporationInventors: Gabriel F. Bifano, Erenio Reyes
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Patent number: 6034209Abstract: In a process for recovering low-boiling point substances wherein a low-boiling point substance-containing polymer latex is atomized from a nozzle equipped at the upper part of an evaporator to evaporate the low-boiling point substances, the polymer latex is atomized over the surface of a polymer latex retained in a first evaporator maintained at a pressure of 50 to 130 torr, and then, the polymer latex is atomized over the surface of a polymer latex retained in a second evaporator maintained at a pressure of 100 to 240 torr which is higher than that of the first evaporator; each of the polymer latexes to be atomized in the first and second evaporators is maintained at a temperature of 10 to 30.degree. C. higher than the saturated steam temperature in the respective evaporator. By this process, low-boiling point substances such as unreacted monomer can be recovered with high efficiency from the polymer latex.Type: GrantFiled: July 20, 1998Date of Patent: March 7, 2000Assignee: Shindai-Ichi Vinyl CorporationInventors: Youichi Takeyama, Masahiro Yoshida
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Patent number: 5970671Abstract: A construction accessory for use with a construction panel includes a flange having an inner surface adapted to face the construction panel and an outer surface opposite the inner surface. The flange further includes at least one perforation extending through the flange between the inner surface and the outer surface and a depression in the inner surface. The depression is in communication with said at least one perforation.Type: GrantFiled: April 14, 1998Date of Patent: October 26, 1999Assignee: Vinyl CorporationInventors: Gabriel F. Bifano, Erenio Reyes
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Patent number: 5946870Abstract: A panel support construction accessory includes a back flange and a bottom flange obliquely extending from the back flange. The bottom flange includes an array of perforations for permitting moisture removal. Preferably, the panel support construction accessory additionally includes a lower flange coupled to the bottom flange and spaced from the bottom flange to create a cavity below the array of perforations. A filter material, such as open cellular material, is supported adjacent the array of perforations. The filter material transmits moisture. Alternatively, the construction accessory includes a forward flange extending between the lower flange and the bottom flange in lieu of or in addition to the filter material. Preferably, at least one of the lower flange and the forward flange includes an opening that communicates with the cavity.Type: GrantFiled: April 14, 1998Date of Patent: September 7, 1999Assignee: Vinyl CorporationInventors: Gabriel F. Bifano, Erenio Reyes