GB2090592B - Process for preparation of an optically active monoalkyl ester of b-(s)-aminoglutaric acid - Google Patents

Process for preparation of an optically active monoalkyl ester of b-(s)-aminoglutaric acid

Info

Publication number
GB2090592B
GB2090592B GB8137930A GB8137930A GB2090592B GB 2090592 B GB2090592 B GB 2090592B GB 8137930 A GB8137930 A GB 8137930A GB 8137930 A GB8137930 A GB 8137930A GB 2090592 B GB2090592 B GB 2090592B
Authority
GB
United Kingdom
Prior art keywords
preparation
optically active
monoalkyl ester
aminoglutaric acid
active monoalkyl
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
Application number
GB8137930A
Other languages
English (en)
Other versions
GB2090592A (en
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
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
Priority claimed from JP55186819A external-priority patent/JPS57115184A/ja
Priority claimed from JP1721481A external-priority patent/JPS57132891A/ja
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Publication of GB2090592A publication Critical patent/GB2090592A/en
Application granted granted Critical
Publication of GB2090592B publication Critical patent/GB2090592B/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00Preparation of nitrogen-containing organic compounds
    • C12P13/04Alpha- or beta- amino acids
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/83Arthrobacter
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/832Bacillus
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/84Brevibacterium
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/843Corynebacterium
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/859Micrococcus
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/872Nocardia
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/874Pseudomonas
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/882Staphylococcus
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/822Microorganisms using bacteria or actinomycetales
    • Y10S435/885Streptococcus
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/912Absidia
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/913Aspergillus
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/921Candida
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/929Fusarium
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/931Mucor
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/932Paecilomyces
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/933Penicillium
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/938Pichia
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/8215Microorganisms
    • Y10S435/911Microorganisms using fungi
    • Y10S435/939Rhizopus

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
GB8137930A 1980-12-30 1981-12-16 Process for preparation of an optically active monoalkyl ester of b-(s)-aminoglutaric acid Expired GB2090592B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55186819A JPS57115184A (en) 1980-12-30 1980-12-30 Preparation of optical active (s)-beta-aminoglutaric acid monoalkyl ester
JP1721481A JPS57132891A (en) 1981-02-06 1981-02-06 Preparation of optically active beta-(s)-aminoglutaric monoalkyl ester

Publications (2)

Publication Number Publication Date
GB2090592A GB2090592A (en) 1982-07-14
GB2090592B true GB2090592B (en) 1984-09-12

Family

ID=26353701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8137930A Expired GB2090592B (en) 1980-12-30 1981-12-16 Process for preparation of an optically active monoalkyl ester of b-(s)-aminoglutaric acid

Country Status (5)

Country Link
US (1) US4415657A (enExample)
BE (1) BE891632A (enExample)
DE (1) DE3150810A1 (enExample)
FR (1) FR2497230A1 (enExample)
GB (1) GB2090592B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5476791A (en) * 1984-08-16 1995-12-19 Mitsubishi Rayon Company, Limited Process for producing optically active carboxylic acid amide
US5240835A (en) * 1989-10-10 1993-08-31 Genencor International, Inc. Methods for enzymatically preparing polymerizable monomers
US5534422A (en) * 1995-05-19 1996-07-09 Merck & Co., Inc. Bioconversion of beta keto-ester to (R) hydroxyester
EP2292743B1 (en) * 2003-12-03 2013-08-21 Danisco US Inc. Perhydrolase
CN102016050A (zh) * 2005-12-09 2011-04-13 金克克国际有限公司 用于去污的酰基转移酶
MX2008011092A (es) * 2006-03-02 2008-09-10 Genencor Int Blanqueador activo de superficie y ph dinamico.
PT2007942E (pt) 2006-04-14 2014-10-07 Danisco Us Inc Tratamento de têxteis num passo

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557001A (en) * 1978-03-15 1980-01-18 Kanegafuchi Chem Ind Co Ltd Preparation of n-carbamoyl-d-thienylglycine
JPS5671092A (en) * 1979-11-14 1981-06-13 Kyowa Hakko Kogyo Co Ltd Optical active cephalosporin analogous derivative
IT1125486B (it) * 1979-10-17 1986-05-14 Anic Spa Processo per la preparazione di carbamil derivati di alfa-idrossiacidi e dei corrispondenti alfa-idrossiacidi

Also Published As

Publication number Publication date
US4415657A (en) 1983-11-15
FR2497230B1 (enExample) 1985-03-22
DE3150810A1 (de) 1982-08-26
FR2497230A1 (fr) 1982-07-02
BE891632A (fr) 1982-06-28
GB2090592A (en) 1982-07-14

Similar Documents

Publication Publication Date Title
RO86355A (ro) Procedeu pentru prepararea(s)-epimerului esterului acidului 7-beta-malonamida-7-alfa-meto0i-3-tetrazoliltiometil-1-detia-1-o0a-3-cefem-4-carbo0ilic
RO86176B (ro) Procedeu pentru prepararea unor esteri ai acidului 6-beta-hidroxialchilpenicilanic
PT69412A (en) 17 -thiocarboxylic acid esters of 4-halo-3-oxoandrost-4-enes
GB2025950B (en) Preparation of esters of oxalic acid
DE3262351D1 (en) Process for the preparation of phosphorous acid monoalkyl esters
GB2082174B (en) Process for preparation of an optically active -mercaptoalkanoic acid
GB2090592B (en) Process for preparation of an optically active monoalkyl ester of b-(s)-aminoglutaric acid
JPS53112841A (en) Method for preparation of potically active 22aryle propionic acid
AU551445B2 (en) Process for preparation of apovincaminic acid esters
GB2067988B (en) Process for preparation of 3-alkoxy-4-hydroxyphenylacetic acids
ZA796438B (en) Process for preparation of alcohol
IL63951A0 (en) Process for the preparation of optically active 2-anilino-propionic acid esters
DK153480A (da) Simulator-moduler og rack-opbygning
RO80211A (ro) Procedeu pentru prepararea de clorhidrat de acid(2-aminotiazol-4-il)-acetic
RO82381A (ro) Procedeu pentru prepararea esterilor acidului 3-acilazopropionic
YU218181A (en) New process for obtaining optically active esters of apovincamic acid
RO83054A2 (ro) Procedeu pentru prepararea esterilor acidului monocloracetic
DE2963387D1 (en) Process for the preparation of the methyl ester of 4-oxopentane-1-carboxylic acid
HU182110B (en) Process for esters of bracket-cross-bracket closed-3-methyl-4-oxo-5-piperidino-thiazolidin-2-2-ilidene-acetic acid
GB2122184B (en) Method of preparing photoactive b-(s)-aminoglutaric acid monoalkyl esters
GB2125029B (en) Process for boric esters of glycerol acid esters
DE2960519D1 (en) Method for the preparation of alkyl esters of pyruvic acid
IL63950A0 (en) Process for the preparation of optically active 2-anilino-propionic acid esters
DE2961623D1 (en) Process for the preparation of esters of butanedicarboxylic acid
PH17296A (en) Process for preparation of optically active n-mercaptoalkanyl amino acid

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee