DE19882069T1 - Voraussage logarithmischer Reduktionswerte - Google Patents

Voraussage logarithmischer Reduktionswerte

Info

Publication number
DE19882069T1
DE19882069T1 DE19882069T DE19882069T DE19882069T1 DE 19882069 T1 DE19882069 T1 DE 19882069T1 DE 19882069 T DE19882069 T DE 19882069T DE 19882069 T DE19882069 T DE 19882069T DE 19882069 T1 DE19882069 T1 DE 19882069T1
Authority
DE
Germany
Prior art keywords
prediction
reduction values
logarithmic reduction
logarithmic
values
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19882069T
Other languages
English (en)
Other versions
DE19882069B4 (de
Inventor
Michael Robert Lloyd Selbie
Humphrey John Jardine Drummond
Warren Thomas Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evoqua Water Technologies LLC
Original Assignee
USF Filtration and Separations Group 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 USF Filtration and Separations Group Inc filed Critical USF Filtration and Separations Group Inc
Publication of DE19882069T1 publication Critical patent/DE19882069T1/de
Application granted granted Critical
Publication of DE19882069B4 publication Critical patent/DE19882069B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • B01D65/102—Detection of leaks in membranes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082—Investigating permeability by forcing a fluid through a sample
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082—Investigating permeability by forcing a fluid through a sample
    • G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/10—Allowing a continuous bypass of at least part of the flow, e.g. of secondary air, vents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/18—Testing of filters, filter elements, sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/18—Use of gases
    • B01D2321/185—Aeration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/086—Investigating permeability, pore-volume, or surface area of porous materials of films, membranes or pellicules

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Examining Or Testing Airtightness (AREA)
DE19882069T 1997-05-30 1998-05-26 Voraussage logarithmischer Reduktionswerte Expired - Fee Related DE19882069B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPO7097A AUPO709797A0 (en) 1997-05-30 1997-05-30 Predicting logarithmic reduction values
AUPO7097 1997-05-30
PCT/AU1998/000387 WO1998053902A1 (en) 1997-05-30 1998-05-26 Predicting logarithmic reduction values

Publications (2)

Publication Number Publication Date
DE19882069T1 true DE19882069T1 (de) 2000-04-27
DE19882069B4 DE19882069B4 (de) 2013-11-07

Family

ID=3801388

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882069T Expired - Fee Related DE19882069B4 (de) 1997-05-30 1998-05-26 Voraussage logarithmischer Reduktionswerte

Country Status (8)

Country Link
US (1) US6202475B1 (de)
JP (1) JP2002500554A (de)
KR (1) KR100491071B1 (de)
CN (1) CN1096286C (de)
AU (2) AUPO709797A0 (de)
DE (1) DE19882069B4 (de)
GB (1) GB2336684B (de)
WO (1) WO1998053902A1 (de)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040232076A1 (en) * 1996-12-20 2004-11-25 Fufang Zha Scouring method
JP4804599B2 (ja) 1996-12-20 2011-11-02 シーメンス・ウォーター・テクノロジーズ・コーポレイション 洗浄方法
US6641733B2 (en) * 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
ATE245472T1 (de) * 1999-02-26 2003-08-15 United States Filter Corp Verfahren und vorrichtung zur prüfung von membranfiltern
AUPP985099A0 (en) * 1999-04-20 1999-05-13 Usf Filtration And Separations Group Inc. Membrane filtration manifold system
AUPQ680100A0 (en) * 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
KR100338346B1 (ko) * 2000-05-24 2002-05-30 박호군 막여과 시간에 따른 막오염 진행 추이를 동시에연속적으로 모니터링하기 위한 막여과 장치 및 방법
AUPR064800A0 (en) * 2000-10-09 2000-11-02 Usf Filtration And Separations Group Inc. Improved membrane filtration system
AUPR094600A0 (en) * 2000-10-23 2000-11-16 Usf Filtration And Separations Group Inc. Fibre membrane arrangement
AUPR143400A0 (en) * 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
AUPR421501A0 (en) * 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR584301A0 (en) * 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
AUPR774201A0 (en) * 2001-09-18 2001-10-11 U.S. Filter Wastewater Group, Inc. High solids module
EP1312408B1 (de) * 2001-11-16 2006-07-19 US Filter Wastewater Group, Inc. Methode zur Reinigung von Membranen
US7247238B2 (en) * 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) * 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
ATE542593T1 (de) 2002-10-10 2012-02-15 Siemens Industry Inc Membranfilter und rückspülverfahren dafür
AU2002953111A0 (en) * 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
AU2003903507A0 (en) 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
NZ545206A (en) 2003-08-29 2009-03-31 Siemens Water Tech Corp Backwash
US8808540B2 (en) 2003-11-14 2014-08-19 Evoqua Water Technologies Llc Module cleaning method
WO2005077499A1 (en) * 2004-02-18 2005-08-25 U.S. Filter Wastewater Group, Inc. Continuous pressure decay test
WO2005092799A1 (en) 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
WO2005107929A2 (en) 2004-04-22 2005-11-17 Siemens Water Technologies Corp. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
JP2008504122A (ja) * 2004-07-02 2008-02-14 シーメンス・ウォーター・テクノロジーズ・コーポレーション 気体輸送膜
JP2008505197A (ja) 2004-07-05 2008-02-21 シーメンス・ウォーター・テクノロジーズ・コーポレーション 親水性膜
JP4958779B2 (ja) * 2004-08-20 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレイション 正方形のｍｂｒマニホールド・システム
ES2389171T3 (es) * 2004-08-31 2012-10-23 Dow Global Technologies Llc Método de ensayo de módulos de separación de membrana
CN101043933B (zh) 2004-09-07 2012-09-05 西门子工业公司 反洗废液的减少
CA2579857A1 (en) 2004-09-14 2006-03-23 Siemens Water Technologies Corp. Membrane filtration module and cleaning process
CA2579894A1 (en) 2004-09-15 2006-03-23 Siemens Water Technologies Corp. Continuously variable aeration
JP2008518748A (ja) * 2004-11-02 2008-06-05 シーメンス・ウォーター・テクノロジーズ・コーポレーション 浸漬クロスフロー濾過
US7591950B2 (en) * 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
ATE511915T1 (de) * 2004-12-03 2011-06-15 Siemens Industry Inc Membrannachbehandlung
CA2591408C (en) 2004-12-24 2015-07-21 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
WO2006066350A1 (en) 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Simple gas scouring method and apparatus
SG158852A1 (en) * 2005-01-14 2010-02-26 Siemens Water Tech Corp Filtration system
JP2008539054A (ja) 2005-04-29 2008-11-13 シーメンス・ウォーター・テクノロジーズ・コーポレイション 膜フィルターのための化学洗浄
EP1893676A4 (de) * 2005-06-20 2010-05-26 Siemens Water Tech Corp Vernetzungsbehandung von polymermembranen
US7988891B2 (en) 2005-07-14 2011-08-02 Siemens Industry, Inc. Monopersulfate treatment of membranes
SG164499A1 (en) 2005-08-22 2010-09-29 Siemens Water Tech Corp An assembly for water filtration using a tube manifold to minimise backwash
WO2007044345A2 (en) * 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
WO2007044442A2 (en) * 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and system for treating wastewater
US20070138090A1 (en) 2005-10-05 2007-06-21 Jordan Edward J Method and apparatus for treating wastewater
US20070144949A1 (en) * 2005-12-02 2007-06-28 Hidayat Husain Method and apparatus for testing membrane integrity
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
KR20170092708A (ko) 2007-05-29 2017-08-11 에보쿠아 워터 테크놀로지스 엘엘씨 수처리 시스템
CN102112213B (zh) 2008-07-24 2016-08-03 伊沃夸水处理技术有限责任公司 用于膜过滤模块的框架系统
AU2009282912B2 (en) 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
KR101590191B1 (ko) * 2009-09-08 2016-02-01 코오롱인더스트리 주식회사 막 완결성 테스트 방법
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
CN103118766B (zh) 2010-09-24 2016-04-13 伊沃夸水处理技术有限责任公司 膜过滤系统的流体控制歧管
CA2850522C (en) 2011-09-30 2021-03-16 Evoqua Water Technologies Llc Shut-off valve for isolation of hollow fiber membrane filtration module
SG11201401089PA (en) 2011-09-30 2014-04-28 Evoqua Water Technologies Llc Improved manifold arrangement
KR102108593B1 (ko) 2012-06-28 2020-05-29 에보쿠아 워터 테크놀로지스 엘엘씨 포팅 방법
DE112013004713T5 (de) 2012-09-26 2015-07-23 Evoqua Water Technologies Llc Membransicherungsvorrichtung
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
EP2900356A1 (de) 2012-09-27 2015-08-05 Evoqua Water Technologies LLC Gaswäscher für tauchmembranen
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
DE102014012784A1 (de) * 2014-08-29 2016-03-03 Sartorius Stedim Biotech Gmbh Verfahren und Vorrichtung zur Durchführung einer Integritätsprüfung eines Filterelements
EP3322511B1 (de) 2015-07-14 2022-09-07 Rohm & Haas Electronic Materials Singapore Pte. Ltd Belüftungsvorrichtung für filtrationssystem
WO2018213662A1 (en) * 2017-05-19 2018-11-22 Hach Company Membrane integrity monitoring in water treatment
US11712666B2 (en) * 2021-07-26 2023-08-01 Cytiva Us Llc Method and system for filter device integrity testing

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132366B (en) * 1982-12-27 1987-04-08 Brunswick Corp Method and device for testing the permeability of membrane filters
GB8313635D0 (en) * 1983-05-17 1983-06-22 Whatman Reeve Angel Plc Porosimeter
DE3428307A1 (de) * 1984-08-01 1986-02-13 Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg Anzeigevorrichtung fuer den verschmutzungsgrad von ansaugluftfiltern
US4660411A (en) * 1985-05-31 1987-04-28 Reid Philip L Apparatus for measuring transmission of volatile substances through films
US4656865A (en) * 1985-09-09 1987-04-14 The Dow Chemical Company System for analyzing permeation of a gas or vapor through a film or membrane
DE3546091A1 (de) * 1985-12-24 1987-07-02 Kernforschungsz Karlsruhe Querstrom-mikrofilter
DE3617724A1 (de) * 1986-05-27 1987-12-03 Akzo Gmbh Verfahren zur bestimmung des blaspunktes bzw. der groessten pore von membranen oder filterwerkstoffen
US4846970A (en) * 1987-06-22 1989-07-11 Osmonics, Inc. Cross-flow filtration membrane test unit
US5138870A (en) * 1989-07-10 1992-08-18 Lyssy Georges H Apparatus for measuring water vapor permeability through sheet materials
US5104546A (en) * 1990-07-03 1992-04-14 Aluminum Company Of America Pyrogens separations by ceramic ultrafiltration
US5069065A (en) * 1991-01-16 1991-12-03 Mobil Oil Corporation Method for measuring wettability of porous rock
GB2253572B (en) 1991-02-11 1994-12-14 Aljac Engineering Limited Flow device in fluid circuits
DE4119040C2 (de) * 1991-06-10 1997-01-02 Pall Corp Verfahren und Gerät zum Testen des Betriebszustands von Filterelementen
EP0592066B1 (de) * 1992-05-01 1997-09-03 Memtec Japan Limited Vorrichtung zur Integritätsprüfung von Membranfiltern
US5282380A (en) * 1992-06-30 1994-02-01 Millipore Corporation Integrity test for membranes
JPH0671120A (ja) 1992-08-27 1994-03-15 Akai Electric Co Ltd 濾過器の目詰まり検出方法
US5361625A (en) * 1993-04-29 1994-11-08 Ylvisaker Jon A Method and device for the measurement of barrier properties of films against gases
US5297420A (en) * 1993-05-19 1994-03-29 Mobil Oil Corporation Apparatus and method for measuring relative permeability and capillary pressure of porous rock
FR2705734B1 (fr) 1993-05-25 1995-06-30 Snecma Procédé et dispositif pour améliorer la sécurité des filtres à fluide.
DE69409736T2 (de) * 1993-08-30 1998-10-01 Millipore Invest Holdings Prüfung der Unversehrtheit poröser Strukturen mittels Schallemission
DE69628824T2 (de) * 1995-03-15 2004-04-15 Usf Filtration And Separations Group Inc. Filtrationskontroll- und regulationssystem

Also Published As

Publication number Publication date
GB2336684A8 (en) 2000-01-11
AUPO709797A0 (en) 1997-06-26
KR20010013118A (ko) 2001-02-26
JP2002500554A (ja) 2002-01-08
GB9917873D0 (en) 1999-09-29
GB2336684A (en) 1999-10-27
DE19882069B4 (de) 2013-11-07
KR100491071B1 (ko) 2005-05-24
AU732511B2 (en) 2001-04-26
CN1249698A (zh) 2000-04-05
WO1998053902A1 (en) 1998-12-03
GB2336684B (en) 2001-09-12
CN1096286C (zh) 2002-12-18
US6202475B1 (en) 2001-03-20
AU7513698A (en) 1998-12-30

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: PALL FILTRATION AND SEPARATIONS GROUP INC. (N.D.GE

8127 New person/name/address of the applicant

Owner name: U.S. FILTER WASTEWATER GROUP, INC. (N.D.GES.D. STA

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: SIEMENS WATER TECHNOLOGIES CORP. (N.D.GES.D.ST, US

R082 Change of representative

Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUS, DE

R081 Change of applicant/patentee

Owner name: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DEL, US

Free format text: FORMER OWNER: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DELAWARE), ALPHARETTA, US

Effective date: 20120821

Owner name: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DEL, US

Free format text: FORMER OWNER: SIEMENS WATER TECHNOLOGIES CORP. (N.D.GES.D.STAATES MASSACHUSETTS), WARRENDALE, US

Effective date: 20120727

Owner name: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DEL, US

Free format text: FORMER OWNER: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DELAWARE), ALPHARETTA, GA., US

Effective date: 20120821

Owner name: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DEL, US

Free format text: FORMER OWNER: SIEMENS WATER TECHNOLOGIES CORP. (N.D.GES.D.STAATES MASSACHUSETTS), WARRENDALE, PA., US

Effective date: 20120727

Owner name: EVOQUA WATER TECHNOLOGIES LLC (N.D.GES.D. STAA, US

Free format text: FORMER OWNER: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DELAWARE), ALPHARETTA, GA., US

Effective date: 20120821

Owner name: EVOQUA WATER TECHNOLOGIES LLC (N.D.GES.D. STAA, US

Free format text: FORMER OWNER: SIEMENS WATER TECHNOLOGIES CORP. (N.D.GES.D.STAATES MASSACHUSETTS), WARRENDALE, PA., US

Effective date: 20120727

R082 Change of representative

Representative=s name: DANIEL OLIVER MAIER, DE

Effective date: 20120821

Representative=s name: DANIEL OLIVER MAIER, DE

Effective date: 20120727

Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE

Effective date: 20120821

Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE

Effective date: 20120727

R019 Grant decision by federal patent court
R020 Patent grant now final

Effective date: 20140208

R082 Change of representative

Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE

R081 Change of applicant/patentee

Owner name: EVOQUA WATER TECHNOLOGIES LLC (N.D.GES.D. STAA, US

Free format text: FORMER OWNER: SIEMENS INDUSTRY, INC. (N.D.GES.D. STAATES DELAWARE), ALPHARETTA, GA., US

Effective date: 20141117

R082 Change of representative

Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE

Effective date: 20141117

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee