NZ600905A - Energy recovery in manufacture of sulfuric acid - Google Patents

Energy recovery in manufacture of sulfuric acid

Info

Publication number
NZ600905A
NZ600905A NZ600905A NZ60090511A NZ600905A NZ 600905 A NZ600905 A NZ 600905A NZ 600905 A NZ600905 A NZ 600905A NZ 60090511 A NZ60090511 A NZ 60090511A NZ 600905 A NZ600905 A NZ 600905A
Authority
NZ
New Zealand
Prior art keywords
absorption
sulfuric acid
sulfur
gas
absorption liquid
Prior art date
Application number
NZ600905A
Other languages
English (en)
Inventor
Ernesto Vera-Castaneda
Original Assignee
Mecs Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mecs Inc filed Critical Mecs Inc
Priority to NZ626654A priority Critical patent/NZ626654A/en
Priority to NZ626648A priority patent/NZ626648A/en
Publication of NZ600905A publication Critical patent/NZ600905A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1406—Multiple stage absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1412—Controlling the absorption process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/765—Multi-stage SO3-conversion
    • C01B17/7655—Multi-stage SO3-conversion with intermediate absorption
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/775—Liquid phase contacting processes or wet catalysis processes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0402—Cleaning, repairing, or assembling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Drying Of Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NZ600905A 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid NZ600905A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ626654A NZ626654A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid
NZ626648A NZ626648A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US29674110P 2010-01-20 2010-01-20
US38288210P 2010-09-14 2010-09-14
PCT/US2011/021928 WO2011139390A2 (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid

Publications (1)

Publication Number Publication Date
NZ600905A true NZ600905A (en) 2014-06-27

Family

ID=44358380

Family Applications (3)

Application Number Title Priority Date Filing Date
NZ600905A NZ600905A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid
NZ626648A NZ626648A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid
NZ626654A NZ626654A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid

Family Applications After (2)

Application Number Title Priority Date Filing Date
NZ626648A NZ626648A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid
NZ626654A NZ626654A (en) 2010-01-20 2011-01-20 Energy recovery in manufacture of sulfuric acid

Country Status (21)

Country Link
US (3) US8586001B2 (enExample)
EP (3) EP4049967A1 (enExample)
JP (2) JP5800833B2 (enExample)
KR (1) KR101807893B1 (enExample)
CN (4) CN102958829B (enExample)
AU (1) AU2011248966B2 (enExample)
CA (3) CA3012769C (enExample)
ES (1) ES2766348T3 (enExample)
JO (2) JO3617B1 (enExample)
LT (1) LT3575264T (enExample)
MA (1) MA34005B1 (enExample)
MX (2) MX2012008520A (enExample)
NZ (3) NZ600905A (enExample)
PH (1) PH12012501482A1 (enExample)
RS (1) RS63148B1 (enExample)
RU (2) RU2570658C2 (enExample)
SA (1) SA111320124B1 (enExample)
SG (2) SG10201408596YA (enExample)
TN (1) TN2012000334A1 (enExample)
WO (1) WO2011139390A2 (enExample)
ZA (1) ZA201204621B (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3077038B2 (ja) 1991-06-07 2000-08-14 菱阪包装システム株式会社 包装用複合フイルム
JO3617B1 (ar) 2010-01-20 2020-08-27 Mecs Inc استرجاع الطاقة في تصنيع حمض السلفريك
JP6124206B2 (ja) 2012-11-30 2017-05-10 千代田化工建設株式会社 硫酸製造装置向け脱硫方法及び脱硫装置
CA2902562C (en) * 2013-03-15 2022-01-04 Ernesto Vera-Castaneda Recovery of sulfur trioxide heat of absorption
EP3060518B1 (en) * 2013-10-24 2017-09-06 Outotec (Finland) Oy Process for operating a sulfuric acid plant
CN103588179A (zh) * 2013-11-13 2014-02-19 俞向东 一种提高硫酸低温余热回收系统产汽率的装置及方法
JP6310319B2 (ja) * 2014-05-12 2018-04-11 パンパシフィック・カッパー株式会社 硫酸工場の操業方法および硫酸工場の操業装置
EA028058B1 (ru) * 2014-09-15 2017-10-31 Акционерное Общество "Научно-Исследовательский Институт По Удобрениям И Инсектофунгицидам Имени Профессора Я.В. Самойлова" Установка для получения серной кислоты
DE202015106813U1 (de) * 2014-12-19 2016-01-20 Outotec (Finland) Oy Anlage zur energieeffizienteren Herstellung von Schwefelsäure
CN104495757B (zh) * 2015-01-06 2016-09-28 东华工程科技股份有限公司 硫酸装置中so3吸收低温位热能回收系统
CN105236360B (zh) * 2015-11-17 2016-08-17 南京海陆化工科技有限公司 一种提高矿或冶炼烟气制硫酸低温热回收的装置及方法
DE102016103976A1 (de) 2016-03-04 2017-09-07 Thyssenkrupp Ag Verfahren und Vorrichtung zur Herstellung von Schwefelsäure
CN107973278A (zh) * 2016-10-25 2018-05-01 中国石油化工股份有限公司 一种连续产生so3气体的方法
US10604414B2 (en) 2017-06-15 2020-03-31 Energysource Minerals Llc System and process for recovery of lithium from a geothermal brine
DE102017219401A1 (de) * 2017-10-27 2019-05-02 Thyssenkrupp Ag SO3-Absorptionsturm
CN107879317A (zh) * 2017-10-30 2018-04-06 襄阳泽东化工集团有限公司 一种提高硫磺制酸低温余热回收产汽量的系统
CN108483409A (zh) * 2018-04-02 2018-09-04 南京海陆化工科技有限公司 一种含so3气体制酸能量回收装置及方法
WO2021254627A1 (en) * 2020-06-18 2021-12-23 Outotec (Finland) Oy Process and plant for the production of sulfuric acid
CN114275743B (zh) * 2021-12-10 2023-04-28 湖北兴福电子材料股份有限公司 一种电子级硫酸用高纯液体三氧化硫生产的方法
CN114348972B (zh) * 2021-12-10 2023-05-05 湖北兴福电子材料股份有限公司 电子级硫酸生产用智能汽化及能量循环利用方法与装置
EP4527795A4 (en) * 2022-05-31 2026-06-17 Nihon Kanki Ind Co Ltd APPARATUS FOR PRODUCING SULFURIC ACID AND METHOD FOR PRODUCING SULFURIC ACID
US12303832B2 (en) * 2022-12-07 2025-05-20 Sar Technology Inc. Method for recycling electronic-grade and industrial-grade sulfuric acid
CN116983703A (zh) * 2023-08-22 2023-11-03 云南水富云天化有限公司 一种wsa冷凝器玻璃管内外壁温差控制系统及控制方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475120A (en) * 1967-03-28 1969-10-28 Chemical Construction Corp Production of sulfuric acid
US3536446A (en) * 1967-09-26 1970-10-27 Chemical Construction Corp Production of sulfuric acid
DK145457C (da) * 1980-03-25 1983-04-18 Haldor Topsoe As Fremgangsmaade til fremstilling af svovlsyre,ved hvilken maengden af svovlsyretaage i afgangsgassen styres ved temperaturregulering
DE3232446A1 (de) * 1982-08-12 1984-02-16 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur herstellung von schwefelsaeure
US4478809A (en) * 1983-01-20 1984-10-23 Monsanto Company Economizer arrangement
US4576813A (en) * 1983-07-05 1986-03-18 Monsanto Company Heat recovery from concentrated sulfuric acid
US4670242A (en) 1984-11-09 1987-06-02 Monsanto Company Heat recovery from concentrated sulfuric acid
US4996038A (en) 1983-07-05 1991-02-26 Monsanto Company Heat recovery from concentrated sulfuric acid
US4654205A (en) * 1986-01-15 1987-03-31 C-I-L Inc. Sulphur trioxide absorption apparatus and process
SU1824843A1 (ru) * 1987-12-04 1996-06-20 Научно-исследовательский институт удобрений и инсектофунгицидов Научно-производственного объединения "Минудобрения" Установка для получения серной кислоты
US4929088A (en) 1988-07-27 1990-05-29 Vortab Corporation Static fluid flow mixing apparatus
SU1641770A1 (ru) * 1989-02-01 1991-04-15 Уфимский Нефтяной Институт Система автоматического управлени процессом получени сернистого газа в производстве серной кислоты
US5130112A (en) * 1990-03-23 1992-07-14 Monsanto Company Method for recovering high grade process energy from a contact sulfuric acid process
US5118490A (en) 1989-06-21 1992-06-02 Monsanto Company Absorption of wet conversion gas
ATE115516T1 (de) * 1990-03-23 1994-12-15 Monsanto Co Rückgewinnung von energie aus einem schwefelsäureprozess.
US5538707A (en) 1994-03-01 1996-07-23 Monsanto Company Acid concentration control in SO3 absorption
US5593652A (en) * 1995-06-28 1997-01-14 Vulcan Materials Company Method for increasing the production capacity of sulfuric acid plants and processes
WO2001036324A1 (en) * 1999-11-01 2001-05-25 Monsanto Company Method for making sulfur trioxide, sulfuric acid, and oleum from sulfur dioxide
CN1509981A (zh) * 2002-12-26 2004-07-07 孟山都（上海）有限公司 一种用于硫酸装置的热回收塔
DE102005008109A1 (de) * 2005-02-21 2006-08-24 Outokumpu Technology Oy Verfahren und Anlage zur Herstellung von Schwefelsäure
US7740827B2 (en) * 2005-09-23 2010-06-22 Mecs, Inc. Ruthenium oxide catalysts for conversion of sulfur dioxide to sulfur trioxide
ES2353332T3 (es) 2006-11-29 2011-03-01 Haldor Topsoe A/S Procedimiento para la producción de ácido sulfúrico.
CN101481095A (zh) * 2009-02-05 2009-07-15 中国石化集团南京设计院 硫酸生产能量回收及利用工艺
JO3617B1 (ar) * 2010-01-20 2020-08-27 Mecs Inc استرجاع الطاقة في تصنيع حمض السلفريك
DE102010006541B4 (de) * 2010-02-01 2016-03-17 Outotec Oyj Verfahren und Anlage zum Abkühlen von Säure
CA2902562C (en) * 2013-03-15 2022-01-04 Ernesto Vera-Castaneda Recovery of sulfur trioxide heat of absorption

Also Published As

Publication number Publication date
EP2526048B1 (en) 2019-10-30
US8586001B2 (en) 2013-11-19
CA3119952A1 (en) 2011-11-10
KR20120127717A (ko) 2012-11-23
MX374885B (es) 2025-03-06
CA2786074C (en) 2019-01-15
CN115403015A (zh) 2022-11-29
JOP20200123A1 (ar) 2020-05-20
EP3575264B1 (en) 2022-04-06
US20140079624A1 (en) 2014-03-20
SG182536A1 (en) 2012-08-30
US9278859B2 (en) 2016-03-08
LT3575264T (lt) 2022-05-10
US20150139891A1 (en) 2015-05-21
CN105036088B (zh) 2018-08-28
JP2015212226A (ja) 2015-11-26
PH12012501482A1 (en) 2012-10-22
CA3012769C (en) 2021-09-14
MX2012008520A (es) 2012-12-17
RU2012135558A (ru) 2014-02-27
EP4049967A1 (en) 2022-08-31
ZA201204621B (en) 2013-08-28
EP2526048A2 (en) 2012-11-28
CN102958829B (zh) 2015-06-17
WO2011139390A2 (en) 2011-11-10
CA3119952C (en) 2024-01-09
EP3575264A1 (en) 2019-12-04
CN109019529A (zh) 2018-12-18
AU2011248966A1 (en) 2012-07-19
US20130115159A1 (en) 2013-05-09
JP5800833B2 (ja) 2015-10-28
KR101807893B1 (ko) 2017-12-11
JO3617B1 (ar) 2020-08-27
RU2570658C2 (ru) 2015-12-10
SA111320124B1 (ar) 2014-11-16
SG10201408596YA (en) 2015-03-30
MA34005B1 (fr) 2013-02-01
ES2766348T3 (es) 2020-06-12
JP6034460B2 (ja) 2016-11-30
CA3012769A1 (en) 2011-11-10
RU2015138501A (ru) 2017-03-16
NZ626654A (en) 2015-06-26
RU2632015C2 (ru) 2017-10-02
AU2011248966B2 (en) 2015-03-26
NZ626648A (en) 2015-06-26
CN105036088A (zh) 2015-11-11
US8894965B2 (en) 2014-11-25
WO2011139390A3 (en) 2012-01-19
CN102958829A (zh) 2013-03-06
CN109019529B (zh) 2022-06-14
TN2012000334A1 (en) 2013-12-12
JP2013517218A (ja) 2013-05-16
CA2786074A1 (en) 2011-11-10
RS63148B1 (sr) 2022-05-31

Similar Documents

Publication Publication Date Title
NZ626654A (en) Energy recovery in manufacture of sulfuric acid
CN100544807C (zh) 一种硫磺回收与尾气处理装置及其硫磺回收与尾气处理的方法
CN103552992A (zh) 一种含硫废液干法制酸系统及方法
CN103072957A (zh) 一种制取硫酸的工艺
CN205527748U (zh) 一种废硫酸再生装置
CA2902562C (en) Recovery of sulfur trioxide heat of absorption
CN105480953A (zh) 一种使用硫磺作为燃料的烷基化废酸裂解工艺
CN104492424A (zh) 臭氧耦合MnO2/Al2O3催化氧化烟气中SO2制备硫酸的方法
CN103011092A (zh) So2的非衡态高浓度两次转化制硫酸技术
CN106829875A (zh) 一种用于二硫化碳生产过程气的处理工艺及设备
CN102784544A (zh) 一种基于igcc的燃烧前co2捕集系统
CN115076673A (zh) 一种提高硫磺制酸高温高压蒸汽产汽率的装置及方法
CN102980198B (zh) 水洗凝结式烟气三回收装置
CN105692563A (zh) Swsr-7硫回收工艺及装置
CN1339400A (zh) 利用含硫化氢的酸性气体与硫磺联合制取高浓度硫酸
CN102050430B (zh) 低浓度硫酸裂解制取高浓度硫酸的方法
CL2011000342A1 (es) Metodo para operar planta de fundicion de un metal no ferroso para producir acido sulfurico a traves del proceso de contacto mediante la conversacion por un convertidor de la planta de so2 en so3,y guiar el so3 a traves de un intercambiador de calor hasta una torre de absorcion.
CN102381688A (zh) 一种利用人工煤气中的h2s制备浓硫酸的方法
BRPI0809552A2 (pt) Método de produção de ácido sulfúrico e instalação para realizar o método
CN103861449B (zh) 空气自净法治理烟气二氧化硫装置及方法
CN203558850U (zh) 一种含硫废液干法制酸系统
CN201897430U (zh) 金属换热器防腐结构
CN102556982A (zh) 一种用于回收硫酸装置中的低温余热系统及其用途
CN209396887U (zh) 将含硫烟气转化为硫酸的工艺系统
CN109573954A (zh) 硫回收转换热器

Legal Events

Date Code Title Description
PSEA Patent sealed
RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2016 BY CPA GLOBAL

Effective date: 20141204

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2017 BY CPA GLOBAL

Effective date: 20151204

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2018 BY CPA GLOBAL

Effective date: 20161210

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2019 BY CPA GLOBAL

Effective date: 20171208

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2020 BY CPA GLOBAL

Effective date: 20181206

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2021 BY COMPUTER PACKAGES INC

Effective date: 20191231

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2022 BY HOULIHAN2 PTY LTD

Effective date: 20201222

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2023 BY HOULIHAN2 PTY LTD

Effective date: 20211027

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2024 BY OXYGENE IP

Effective date: 20221129

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 20 JAN 2025 BY OXYGENE IP

Effective date: 20231207

LAPS Patent lapsed