IL126456A - Reactor and method for solid phase peptide synthesis - Google Patents

Reactor and method for solid phase peptide synthesis

Info

Publication number
IL126456A
IL126456A IL12645698A IL12645698A IL126456A IL 126456 A IL126456 A IL 126456A IL 12645698 A IL12645698 A IL 12645698A IL 12645698 A IL12645698 A IL 12645698A IL 126456 A IL126456 A IL 126456A
Authority
IL
Israel
Prior art keywords
reactor
solution
basket
resin
amino acid
Prior art date
Application number
IL12645698A
Other languages
English (en)
Other versions
IL126456A0 (en
Original Assignee
Mallinckrodt 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 Mallinckrodt Inc filed Critical Mallinckrodt Inc
Publication of IL126456A0 publication Critical patent/IL126456A0/xx
Publication of IL126456A publication Critical patent/IL126456A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0046Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K1/00General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/04General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length on carriers
    • C07K1/045General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length on carriers using devices to improve synthesis, e.g. reactors, special vessels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00279Features relating to reactor vessels
    • B01J2219/00281Individual reactor vessels
    • B01J2219/00283Reactor vessels with top opening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00279Features relating to reactor vessels
    • B01J2219/00281Individual reactor vessels
    • B01J2219/00295Individual reactor vessels the reactor vessels having pervious side walls
    • B01J2219/00299Generally cylindrical reactor vessels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00351Means for dispensing and evacuation of reagents
    • B01J2219/00353Pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00351Means for dispensing and evacuation of reagents
    • B01J2219/00421Means for dispensing and evacuation of reagents using centrifugation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00351Means for dispensing and evacuation of reagents
    • B01J2219/00423Means for dispensing and evacuation of reagents using filtration, e.g. through porous frits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00457Dispensing or evacuation of the solid phase support
    • B01J2219/00459Beads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00457Dispensing or evacuation of the solid phase support
    • B01J2219/00459Beads
    • B01J2219/00466Beads in a slurry
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00479Means for mixing reactants or products in the reaction vessels
    • B01J2219/00488Means for mixing reactants or products in the reaction vessels by rotation of the reaction vessels
    • B01J2219/0049Means for mixing reactants or products in the reaction vessels by rotation of the reaction vessels by centrifugation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277Apparatus
    • B01J2219/00497Features relating to the solid phase supports
    • B01J2219/005Beads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583Features relative to the processes being carried out
    • B01J2219/0059Sequential processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583Features relative to the processes being carried out
    • B01J2219/00596Solid-phase processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/0068Means for controlling the apparatus of the process
    • B01J2219/00686Automatic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/0068Means for controlling the apparatus of the process
    • B01J2219/00698Measurement and control of process parameters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00718Type of compounds synthesised
    • B01J2219/0072Organic compounds
    • B01J2219/00725Peptides
    • CCHEMISTRY; METALLURGY
    • C40COMBINATORIAL TECHNOLOGY
    • C40BCOMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
    • C40B40/00Libraries per se, e.g. arrays, mixtures
    • C40B40/04Libraries containing only organic compounds
    • C40B40/10Libraries containing peptides or polypeptides, or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C40COMBINATORIAL TECHNOLOGY
    • C40BCOMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
    • C40B60/00Apparatus specially adapted for use in combinatorial chemistry or with libraries
    • C40B60/14Apparatus specially adapted for use in combinatorial chemistry or with libraries for creating libraries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Peptides Or Proteins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
IL12645698A 1997-02-11 1998-02-10 Reactor and method for solid phase peptide synthesis IL126456A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3755797P 1997-02-11 1997-02-11
PCT/US1998/002634 WO1998034633A1 (en) 1997-02-11 1998-02-10 Reactor and method for solid phase peptide synthesis

Publications (2)

Publication Number Publication Date
IL126456A0 IL126456A0 (en) 1999-08-17
IL126456A true IL126456A (en) 2001-05-20

Family

ID=21894987

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12645698A IL126456A (en) 1997-02-11 1998-02-10 Reactor and method for solid phase peptide synthesis

Country Status (16)

Country Link
US (1) US6028172A (de)
EP (1) EP0909176B1 (de)
JP (1) JP2000511934A (de)
KR (1) KR100463630B1 (de)
CN (1) CN1171634C (de)
AT (1) ATE225680T1 (de)
AU (1) AU724694B2 (de)
CA (1) CA2250784C (de)
CZ (1) CZ294838B6 (de)
DE (1) DE69808579T2 (de)
DK (1) DK0909176T3 (de)
HU (1) HU226994B1 (de)
IL (1) IL126456A (de)
NO (1) NO984611L (de)
NZ (1) NZ332174A (de)
WO (1) WO1998034633A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1184649A1 (de) * 2000-09-04 2002-03-06 Eidgenössische Technische Hochschule Zürich Kalorimeter
JP4297751B2 (ja) * 2002-07-12 2009-07-15 株式会社荏原製作所 固体反応剤
US7393920B2 (en) 2003-06-23 2008-07-01 Cem Corporation Microwave-assisted peptide synthesis
US7902488B2 (en) * 2003-06-23 2011-03-08 Cem Corporation Microwave-assisted peptide synthesis
CN100591690C (zh) * 2004-10-12 2010-02-24 弗·哈夫曼-拉罗切有限公司 固相肽合成
US20060105391A1 (en) * 2004-11-12 2006-05-18 Promega Corporation Device and method for separating molecules
US20060105349A1 (en) * 2004-11-12 2006-05-18 Promega Corporation Device and method for purification of biological materials
WO2008044890A1 (en) * 2006-10-12 2008-04-17 Dong Kook Pharm. Co., Ltd A method for preparing peptides using by solid phase synthesis
KR101014799B1 (ko) * 2008-06-05 2011-02-15 애니젠 주식회사 펩타이드 합성 제조 장치
US8308955B2 (en) * 2009-07-20 2012-11-13 Empire Technology Development Llc Carbon nanotube separation by reversible gelation
KR101227176B1 (ko) * 2010-02-05 2013-01-28 주식회사 부일켐텍 펩타이드 합성 제조장치
CN102702304B (zh) * 2012-05-11 2014-06-11 中南大学 多通路预活化装置、肽核酸制备系统及预活化和合成方法
EP2703073A1 (de) * 2012-08-31 2014-03-05 Biotage AB Vorrichtung und Verfahren für die Festphasensynthese
US9695214B2 (en) 2013-03-15 2017-07-04 Massachusetts Institute Of Technology Solid phase peptide synthesis processes and associated systems
US9169287B2 (en) 2013-03-15 2015-10-27 Massachusetts Institute Of Technology Solid phase peptide synthesis processes and associated systems
WO2017024407A1 (en) 2015-08-11 2017-02-16 The Royal Institution For The Advancement Of Learning/Mcgill University Peptidic tgf-beta antagonists
DK3349775T3 (da) * 2015-09-17 2022-03-07 Massachusetts Inst Technology Fastfase-peptidsyntesefremgangsmåder og tilhørende systemer
CN108290923A (zh) 2015-09-17 2018-07-17 麻省理工学院 用于固相肽合成的方法和系统
WO2018057470A1 (en) * 2016-09-20 2018-03-29 C S Bio Co. Rapid peptide synthesis at elevated temperatures
WO2018187273A1 (en) * 2017-04-06 2018-10-11 Mylan Inc. Low-cost single use powder inhaler
TW201841916A (zh) 2017-04-12 2018-12-01 美商麥珍塔治療學股份有限公司 芳香烴受體拮抗劑及其用途
US20190314407A1 (en) 2017-10-31 2019-10-17 Magenta Therapeutics Inc. Compositions and methods for the expansion of hematopoietic stem and progenitor cells
EP3703715A1 (de) 2017-10-31 2020-09-09 Magenta Therapeutics, Inc. Zusammensetzungen und verfahren für hämatopoietische stamm- und vorläuferzelltransplantationstherapie
CN107881102B (zh) * 2017-11-23 2021-04-09 希施生物科技(上海)有限公司 一种用于核酸dna/rna生产型自动合成仪
CN111712262A (zh) 2017-12-06 2020-09-25 美真达治疗公司 用于动员造血干细胞和祖细胞的给药方案
US20200338132A1 (en) 2018-01-03 2020-10-29 Magenta Therapeutics Inc. Compositions and methods for the expansion of hematopoietic stem and progenitor cells and treatment of inherited metabolic disorders
WO2019175867A1 (en) 2018-03-13 2019-09-19 Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. High shear solid phase synthesis
JP2021530198A (ja) * 2018-05-04 2021-11-11 ポリペプタイド ラボラトリーズ フランスPolypeptide Laboratories France 循環ループを備えた自動合成反応器システム
CN108752418B (zh) * 2018-08-08 2024-01-30 湖南科技学院 一种多通道多肽合成反应装置及其操作方法
CN111072749B (zh) * 2018-10-22 2023-07-07 海南建邦制药科技有限公司 多肽合成仪
JP6618133B1 (ja) * 2019-04-02 2019-12-11 ヤマト科学株式会社 固相合成装置
CN110111907A (zh) * 2019-05-10 2019-08-09 苏州市海崴生物科技有限公司 智能数字多肽合成系统
CN110283229A (zh) * 2019-07-24 2019-09-27 上海友尹化工科技有限公司 一种用于多肽药物的生产系统
EP4051298A1 (de) 2019-11-01 2022-09-07 Magenta Therapeutics, Inc. Dosierschema zur mobilisierung von hämatopoetischen stammzellen und vorläuferzellen
SE548085C2 (en) 2020-03-17 2026-02-27 Peptisystems Ab Peptide synthesis comprising pre-activation and recirculation of amino acids
WO2022197776A1 (en) 2021-03-16 2022-09-22 Magenta Therapeutics, Inc. Dosing regimens for hematopoietic stem cell mobilization for stem cell transplants in multiple myeloma patients
US12415172B2 (en) 2022-12-22 2025-09-16 Synthego Corporation Systems and method for automated oligonucleotide synthesis
CN115960159A (zh) * 2023-01-05 2023-04-14 希施生物科技(上海)有限公司 自动化免维护氨基酸输送路径的多肽合成仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017351C3 (de) * 1970-04-10 1974-10-10 Lkb Instrument Gmbh, 8032 Graefelfing Verfahren und Reaktor für chemische Umsetzungen an unlöslichen Trägern mittels einer Reaktionsflüssigkeit
US4192798A (en) * 1978-11-20 1980-03-11 Bioresearch, Inc. Rapid, large scale, automatable high pressure peptide synthesis
WO1990000932A1 (fr) * 1988-07-25 1990-02-08 Spetsialnoe Konstruktorskoe Bjuro Biologicheskogo Priborostroenia Akademii Nauk Sssr Reacteur pour synthese en phase solide de biopolymeres
US5186824A (en) * 1991-09-04 1993-02-16 Large Scale Biology Corporation System for solid phase reactions

Also Published As

Publication number Publication date
EP0909176B1 (de) 2002-10-09
CA2250784C (en) 2004-04-20
NO984611L (no) 1998-12-10
CZ294838B6 (cs) 2005-03-16
IL126456A0 (en) 1999-08-17
NO984611D0 (no) 1998-10-02
DE69808579T2 (de) 2003-06-26
HUP9903753A3 (en) 2000-08-28
ATE225680T1 (de) 2002-10-15
KR100463630B1 (ko) 2005-05-25
EP0909176A1 (de) 1999-04-21
JP2000511934A (ja) 2000-09-12
CZ317898A3 (cs) 1999-08-11
US6028172A (en) 2000-02-22
HU226994B1 (en) 2010-04-28
AU6276398A (en) 1998-08-26
HUP9903753A2 (hu) 2000-03-28
EP0909176A4 (de) 2000-04-12
DK0909176T3 (da) 2003-02-17
DE69808579D1 (de) 2002-11-14
WO1998034633A1 (en) 1998-08-13
KR20000064912A (ko) 2000-11-06
CA2250784A1 (en) 1998-08-13
AU724694B2 (en) 2000-09-28
CN1215995A (zh) 1999-05-05
NZ332174A (en) 1999-03-29
CN1171634C (zh) 2004-10-20

Similar Documents

Publication Publication Date Title
EP0909176B1 (de) Reaktor und verfahren für die festphasen-synthese von peptiden
CA1315968C (en) Substrate and process for making a substrate
EP0644792A1 (de) System für festphasenreaktionen
EP0979236B1 (de) Vorrichtung zur herstellung von oligomeren, insbesondere peptoiden, mit rückführung der reagenzien
JP2002518526A (ja) マルチウェル回転合成装置
JP4610088B2 (ja) 固相反応素材の攪拌を含む固相合成のプロセス
US6320025B1 (en) Solid phase peptide synthesis reaction vessel
EP0558050B1 (de) Vorrichtung und Verfahren zur Isolierung von synthetischen Peptiden ohne Verlust von Reagenzien
Stepanluk et al. Reactor and method for solid phase peptide synthesis
MXPA98008347A (en) Reactor and method for solid phase peptide synthesis
EP0431059B1 (de) Verfahren zum durchführen von organischen chemischen reaktionen und apparat dafür
US4753985A (en) Synthesis of organic compounds using deformable gel in porous rigid support
WO1990007975A1 (en) A method and an apparatus for dissolving a solid substance in a solvent
CN118234737A (zh) 间歇性渗滤洗涤
JPH042302B2 (de)
CN121548460A (zh) 流动反应器及包括其的生物聚合物合成系统
JPH11513300A (ja) 固相合成反応容器およびそれを用いる方法
JP2000503892A (ja) 固相シンセサイザー

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees