CN101313052B - 降低烃原料的溴指数的方法 - Google Patents

降低烃原料的溴指数的方法 Download PDF

Info

Publication number
CN101313052B
CN101313052B CN2006800431383A CN200680043138A CN101313052B CN 101313052 B CN101313052 B CN 101313052B CN 2006800431383 A CN2006800431383 A CN 2006800431383A CN 200680043138 A CN200680043138 A CN 200680043138A CN 101313052 B CN101313052 B CN 101313052B
Authority
CN
China
Prior art keywords
catalyst
molecular sieve
feedstock
clay
raw material
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.)
Expired - Fee Related
Application number
CN2006800431383A
Other languages
English (en)
Chinese (zh)
Other versions
CN101313052A (zh
Inventor
S·H·布朗
J·R·瓦尔德克
K·卢尔瓦尼杰
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.)
ExxonMobil Chemical Patents Inc
Original Assignee
Exxon Chemical Patents 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 Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of CN101313052A publication Critical patent/CN101313052A/zh
Application granted granted Critical
Publication of CN101313052B publication Critical patent/CN101313052B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G25/00Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/02Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material
    • C10G25/03Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/12Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • C07C7/13Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G29/00Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals
    • C10G29/02Non-metals
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G29/00Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals
    • C10G29/16Metal oxides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G53/00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
    • C10G53/02Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10Feedstock materials
    • C10G2300/1096Aromatics or polyaromatics
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20Characteristics of the feedstock or the products
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40Characteristics of the process deviating from typical ways of processing
    • C10G2300/4018Spatial velocity, e.g. LHSV, WHSV
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40Characteristics of the process deviating from typical ways of processing
    • C10G2300/4081Recycling aspects
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/70Catalyst aspects
    • C10G2300/701Use of spent catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
CN2006800431383A 2005-11-17 2006-09-22 降低烃原料的溴指数的方法 Expired - Fee Related CN101313052B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/282,002 2005-11-17
US11/282,002 US7744750B2 (en) 2005-11-17 2005-11-17 Process for reducing Bromine Index of hydrocarbon feedstocks
PCT/US2006/037059 WO2007058703A1 (en) 2005-11-17 2006-09-22 Process for reducing bromine index of hydrocarbon feedstocks

Publications (2)

Publication Number Publication Date
CN101313052A CN101313052A (zh) 2008-11-26
CN101313052B true CN101313052B (zh) 2013-03-20

Family

ID=36778281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800431383A Expired - Fee Related CN101313052B (zh) 2005-11-17 2006-09-22 降低烃原料的溴指数的方法

Country Status (7)

Country Link
US (1) US7744750B2 (enExample)
EP (1) EP1957616A1 (enExample)
JP (1) JP5041604B2 (enExample)
KR (1) KR101412316B1 (enExample)
CN (1) CN101313052B (enExample)
TW (1) TWI316541B (enExample)
WO (1) WO2007058703A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7731839B2 (en) * 2005-05-27 2010-06-08 Exxonmobil Chemical Patents Inc. Process for reducing bromine index of hydrocarbon feedstocks
US8350106B2 (en) * 2008-06-30 2013-01-08 Uop Llc Selective hydrogenation of unsaturated aliphatic hydrocarbons in predominantly aromatic streams
US8216450B2 (en) * 2009-04-22 2012-07-10 Exxonmobil Chemical Patents Inc. Removal of bromine index contaminants from aromatic streams
US8329971B2 (en) * 2009-04-22 2012-12-11 Exxonmobil Chemical Patents Inc. Regeneration of catalyst used in purification of aromatic streams
IT1395458B1 (it) * 2009-06-09 2012-09-21 Polimeri Europa Spa Procedimento per l'eliminazione di idrocarburi bromo reattivi da correnti idrocarburiche aromatiche
EP2516595A1 (en) 2009-12-24 2012-10-31 SCG Chemicals Co., Ltd. Process for reducing the bromine index of a hydrocarbon
US9057025B2 (en) 2010-08-26 2015-06-16 Exxonmobil Chemical Patents Inc. Purification of aromatic feedstock
US8481795B2 (en) * 2010-09-30 2013-07-09 Uop Llc Processes for transalkylating aromatic hydrocarbons and converting olefins
KR101621601B1 (ko) * 2010-12-20 2016-05-16 유오피 엘엘씨 점토를 사용하여 탄화수소 스트림으로부터 불포화 지방족 탄화수소를 제거하는 방법
US9150471B2 (en) * 2011-10-28 2015-10-06 Uop Llc Methods and apparatuses for treating a hydrocarbon-containing feed stream
US8766028B2 (en) * 2011-11-04 2014-07-01 Amt International Inc. Separating styrene from C6-C8 aromatic hydrocarbons
CN103974923A (zh) * 2012-05-31 2014-08-06 环球油品公司 处理烃流的方法和装置
US9422208B2 (en) 2013-05-07 2016-08-23 Exxonmobil Chemical Patents Inc. Treatment of aromatic hydrocarbon stream
US10988421B2 (en) * 2013-12-06 2021-04-27 Exxonmobil Chemical Patents Inc. Removal of bromine index-reactive compounds
WO2015094500A2 (en) 2013-12-20 2015-06-25 Exxonmobil Chemical Patents Inc. Production of para-xylene
US9598332B2 (en) 2013-12-20 2017-03-21 Exxonmobil Chemical Patents Inc. Production of para-xylene
CN109433250A (zh) * 2018-10-16 2019-03-08 江苏华伦化工有限公司 降低高沸点芳烃溶剂溴指数的催化剂
IT201900015066A1 (it) 2019-08-27 2021-02-27 Versalis Spa Procedimento per il trattamento di idrocarburi polialchilaromatici.
US20210206704A1 (en) * 2020-01-06 2021-07-08 Uop Llc Oxygenate removal for para-xylene purification via adsorption separation
US20230174872A1 (en) * 2020-06-03 2023-06-08 Sk Innovation Co., Ltd. Method for Removing Chlorine from Waste Oil Fractions Containing High Content of Chlorine Using Solid Acid Material
KR102352118B1 (ko) * 2021-09-29 2022-01-18 주식회사 거남 도장공장 전처리조 내의 이물질 변화 측정 시스템
KR20230142898A (ko) * 2022-04-04 2023-10-11 에스케이이노베이션 주식회사 염소가 저감된 폐플라스틱 열분해유의 제조 방법

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104318A (en) * 1977-05-27 1978-08-01 Gulf Research & Development Company Process for removing organic oxygen-containing impurities from an organic composition in the presence of steam
DE3117135A1 (de) 1981-04-30 1982-11-18 Bayer Ag, 5090 Leverkusen Kristallines alumosilicat, verfahren zu dessen herstellung sowie dessen verwendung zur katalytischen umwandlung von methanol und/oder dimethylether in kohlenwasserstoffe
US4665256A (en) 1983-04-29 1987-05-12 The Dow Chemical Company Alkylation of aromatic mixtures
US4727209A (en) 1985-06-11 1988-02-23 Uop Inc. Hydrocarbon alkylation processes employing a phosphorus-modified alumina composite
US4735929A (en) 1985-09-03 1988-04-05 Uop Inc. Catalytic composition for the isomerization of paraffinic hydrocarbons
NZ218939A (en) 1986-01-29 1989-11-28 Chevron Res Zeolite ssz-25; mole ratio of sio 2 or geo 2 to other framework oxides greater than 20 to 1
US4826667A (en) 1986-01-29 1989-05-02 Chevron Research Company Zeolite SSZ-25
US6005154A (en) 1986-01-29 1999-12-21 Chevron Usa Inc. Isomerization process using zeolite SSZ-25
US5149894A (en) 1986-01-29 1992-09-22 Chevron Research And Technology Company Alkylation using zeolite SSZ-25
JPH0633368B2 (ja) * 1986-02-12 1994-05-02 日本鉱業株式会社 石油留分の前処理方法
US4962256A (en) * 1988-10-06 1990-10-09 Mobil Oil Corp. Process for preparing long chain alkyl aromatic compounds
US4795550A (en) 1987-04-03 1989-01-03 Uop Inc. Removal of trace olefins from aromatic hydrocarbons
US4774379A (en) 1987-06-09 1988-09-27 Cosden Technology, Inc. Aromatic alkylation process
US4891458A (en) 1987-12-17 1990-01-02 Innes Robert A Liquid phase alkylation or transalkylation process using zeolite beta
US5081323A (en) 1987-12-17 1992-01-14 Chevron Research And Technology Company Liquid phase alkylation or transalkylation process using zeolite beta
US5157158A (en) 1988-08-03 1992-10-20 Petroquimica Espanola, S.A. Petresa Alkylation of aromatic hydrocarbons
ES2007545A6 (es) 1988-08-03 1989-06-16 Petroquimica Espanola S A Petr Proceso de alquilacion catalitica en lecho fijo de hidrocarburos aromaticos.
US5118896A (en) 1990-10-31 1992-06-02 Amoco Corporation Aromatic alkylation process using large macropore, small particle size, zeolite catalyst
JPH0717536B2 (ja) 1990-11-29 1995-03-01 新日鐵化学株式会社 アルキルベンゼンの製造方法
US5300722A (en) * 1990-12-27 1994-04-05 Amoco Corporation Oxygen-free aromatic alkylation process
JPH04253925A (ja) 1991-02-06 1992-09-09 Asahi Chem Ind Co Ltd 芳香族化合物のアルキル化法
AU4539093A (en) 1992-06-18 1994-01-24 Chevron Research And Technology Company Nonextractive processes for producing high purity aromatics
US6323381B1 (en) 1992-06-18 2001-11-27 Chevron Corporation Manufacture of high purity benzene and para-rich xylenes by combining aromatization and selective disproportionation of impure toluene
US5516954A (en) * 1993-09-16 1996-05-14 Mobil Oil Corporation Process for preparing long chain alkylaromatic compounds
EP0776876B1 (en) 1994-08-03 2000-06-14 Asahi Kasei Kogyo Kabushiki Kaisha METHOD OF LIQUID-PHASE ALKYLATION OF AROMATIC HYDROCARBON BY USING beta-ZEOLITE
DE69422623T2 (de) 1994-09-27 2000-06-29 Chevron Chemical Co. Llc, San Francisco Herstellung von reinem Benzol und Paraxylenen durch Kombinieren einer Aromatisierung und einer Disproportionierung von unreinem Toluol
EP0748305B1 (en) 1994-12-30 2000-08-16 Chevron Chemical Company LLC Catalyst and process for alkylation of aromatics
DE19512134A1 (de) 1995-03-31 1996-10-02 Sued Chemie Ag Katalysator zur Entfernung von Olefinen aus Aromaten oder Aromatengemischen
CA2192524A1 (en) 1995-12-21 1997-06-22 Robert A. Ludolph Process for upgrading petroleum fractions containing olefins and aromatics
WO1997046486A2 (en) 1996-06-07 1997-12-11 Chevron U.S.A. Inc. ZEOLITE Me-UTD-1
JP2000516248A (ja) * 1996-08-20 2000-12-05 ザ ダウ ケミカル カンパニー アルキル化ベンゼンの製造方法
US5959168A (en) * 1996-10-02 1999-09-28 The Dow Chemical Company Zeolite-based ethylabenzene process adaptable to an aluminum chloride-based ethylbenzene plant
WO1998029336A1 (en) 1996-12-31 1998-07-09 Chevron U.S.A. Inc. Zeolite ssz-48
AU5798498A (en) 1996-12-31 1998-07-31 Chevron U.S.A. Inc. Zeolite ssz-47
US5877370A (en) 1997-06-16 1999-03-02 Uop Llc Method for minimizing diarylalkane formation in alkylation of aromatics by olefins by zeolite beta
US6096935A (en) 1998-07-28 2000-08-01 Uop Llc Production of alkyl aromatics by passing transalkylation effluent to alkylation zone
CA2238560C (en) 1997-08-06 2010-08-10 Curt B. Campbell Process for the alkylation of heavy mono-alkylates of single-ring aromatic hydrocarbons
US6368496B1 (en) * 1998-02-03 2002-04-09 Exxonmobil Oil Corporation Decreasing bi-reactive contaminants
US5955641A (en) 1998-03-16 1999-09-21 Chevron Chemical Company Llc Method of making dimethylnaphthalenes
EP0982297A3 (en) 1998-08-24 2001-08-01 Pfizer Products Inc. Process for the preparation of hydroxy-pyrrolidinyl hydroxamic acid derivatives being opioid kappa receptor agonists
US6111158A (en) 1999-03-04 2000-08-29 Uop Llc Process for producing arylalkanes at alkylation conditions using a zeolite having a NES zeolite structure type
US6500996B1 (en) * 1999-10-28 2002-12-31 Exxonmobil Oil Corporation Process for BTX purification
US6525234B1 (en) * 2000-11-21 2003-02-25 Exxonmobil Oil Corporation Process for liquid phase aromatics alkylation comprising in-situ catalyst reactivation with polar compounds
EP1527035B1 (en) * 2001-06-08 2015-03-04 Albemarle Netherlands B.V. Continuous process for the alkylation of hydrocarbons
WO2004056729A1 (en) 2002-12-19 2004-07-08 Saudi Basic Industries Corporation Purification process of aromatics
US7214840B2 (en) * 2004-07-23 2007-05-08 Exxonmobil Chemical Patents Inc. Reduction of the Bromine Index of linear alkylbenzenes

Also Published As

Publication number Publication date
KR101412316B1 (ko) 2014-06-25
WO2007058703A1 (en) 2007-05-24
JP5041604B2 (ja) 2012-10-03
JP2009516051A (ja) 2009-04-16
CN101313052A (zh) 2008-11-26
US20070112240A1 (en) 2007-05-17
TWI316541B (en) 2009-11-01
US7744750B2 (en) 2010-06-29
KR20080068711A (ko) 2008-07-23
TW200726835A (en) 2007-07-16
EP1957616A1 (en) 2008-08-20

Similar Documents

Publication Publication Date Title
CN101313052B (zh) 降低烃原料的溴指数的方法
US8048294B2 (en) Process for reducing bromine index of hydrocarbon feedstocks
US7815793B2 (en) Process for reducing bromine index of hydrocarbon feedstock
KR20020068331A (ko) 비티엑스 정제 방법
US7517824B2 (en) Process for steam stripping hydrocarbons from a bromine index reduction catalyst
US8216450B2 (en) Removal of bromine index contaminants from aromatic streams
US8344200B2 (en) Start up procedure in a process for purifying aromatic streams

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130320

Termination date: 20170922

CF01 Termination of patent right due to non-payment of annual fee