BRPI0822634A2 - Método de preparar etileno glicol a partir de celulose - Google Patents

Método de preparar etileno glicol a partir de celulose

Info

Publication number
BRPI0822634A2
BRPI0822634A2 BRPI0822634-2A BRPI0822634A BRPI0822634A2 BR PI0822634 A2 BRPI0822634 A2 BR PI0822634A2 BR PI0822634 A BRPI0822634 A BR PI0822634A BR PI0822634 A2 BRPI0822634 A2 BR PI0822634A2
Authority
BR
Brazil
Prior art keywords
cellulose
ethylene glycol
preparing ethylene
preparing
glycol
Prior art date
Application number
BRPI0822634-2A
Other languages
English (en)
Inventor
Tao Zhang
Mingyuan Zheng
Na Ji
Aiqin Wang
Yuying Shu
Hui Wang
Xiaodong Wang
Jingguang Chen
Original Assignee
Dalian Chemical Physics Inst
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 Dalian Chemical Physics Inst filed Critical Dalian Chemical Physics Inst
Publication of BRPI0822634A2 publication Critical patent/BRPI0822634A2/pt
Publication of BRPI0822634B1 publication Critical patent/BRPI0822634B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B01J23/6527—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/888—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B01J27/19—Molybdenum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/22—Carbides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • B01J27/25—Nitrates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
BRPI0822634A 2008-10-24 2008-10-31 método para a prepararação de etileno glicol a partir de celulose BRPI0822634B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2008102282577A CN101723802B (zh) 2008-10-24 2008-10-24 一种纤维素制乙二醇的方法
PCT/CN2008/072894 WO2010045766A1 (zh) 2008-10-24 2008-10-31 一种纤维素制乙二醇的方法

Publications (2)

Publication Number Publication Date
BRPI0822634A2 true BRPI0822634A2 (pt) 2015-06-16
BRPI0822634B1 BRPI0822634B1 (pt) 2017-03-07

Family

ID=42118905

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0822634A BRPI0822634B1 (pt) 2008-10-24 2008-10-31 método para a prepararação de etileno glicol a partir de celulose

Country Status (8)

Country Link
US (1) US7960594B2 (pt)
EP (1) EP2338867B1 (pt)
CN (1) CN101723802B (pt)
BR (1) BRPI0822634B1 (pt)
CA (1) CA2725248C (pt)
ES (1) ES2447367T3 (pt)
MX (1) MX2010011284A (pt)
WO (1) WO2010045766A1 (pt)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101648140B (zh) * 2008-08-14 2011-09-07 中国科学院大连化学物理研究所 碳化钨催化剂及其制备和在纤维素制乙二醇反应中的应用
CN101735014B (zh) * 2008-11-26 2013-07-24 中国科学院大连化学物理研究所 一种多羟基化合物制乙二醇的方法
CN102049273B (zh) 2009-10-27 2013-05-01 中国科学院大连化学物理研究所 一种介孔炭担载的碳化钨催化剂及其制备和应用
CN102190562B (zh) 2010-03-17 2014-03-05 中国科学院大连化学物理研究所 一种多羟基化合物制乙二醇的方法
CN102675045B (zh) * 2011-03-15 2015-04-01 中国科学院大连化学物理研究所 一种糖溶液制备乙二醇、1,2-丙二醇的方法
CN102643164B (zh) * 2011-06-28 2014-07-02 中国科学院大连化学物理研究所 连续加氢裂解纤维素生产乙二醇及1,2-丙二醇的方法
CN102643165B (zh) * 2011-06-28 2014-07-02 中国科学院大连化学物理研究所 连续加氢裂解糖转化生产乙二醇及1,2-丙二醇的方法
EP2736869A4 (en) * 2011-07-28 2015-01-07 Uop Llc OBTAINING POLYOLS FROM SACCHARIDES
US8222463B2 (en) 2011-07-28 2012-07-17 Uop Llc Process for generation of polyols from saccharide containing feedstock
US8323937B2 (en) * 2011-07-28 2012-12-04 Uop Llc Continuous catalytic generation of polyols from cellulose
US8222462B2 (en) 2011-07-28 2012-07-17 Uop Llc Process for generation of polyols from saccharides
US8222465B2 (en) * 2011-07-28 2012-07-17 Uop Llc Catalytic process for continuously generating polyols
WO2013015996A2 (en) * 2011-07-28 2013-01-31 Uop Llc Generation of polyols from saccharide containing feedstock
US8222464B2 (en) 2011-07-28 2012-07-17 Uop Llc Catalytic process for continuously generating polyols
US8410319B2 (en) * 2011-07-28 2013-04-02 Uop Llc Continuous catalytic generation of polyols from cellulose with recycle
CN102731256B (zh) * 2011-12-20 2014-10-22 中国科学院大连化学物理研究所 一种抑制环醚醇生成的纤维素转化制乙二醇的方法
WO2013159115A2 (en) 2012-04-20 2013-10-24 Brookhaven Science Associates, Llc Molybdenum and tungsten nanostructures and methods for making and using same
CN103420798B (zh) * 2012-05-18 2015-12-09 中国科学院大连化学物理研究所 一种高效催化转化纤维素类原料到二元醇的方法
CN103420795B (zh) * 2012-05-18 2015-11-04 中国科学院大连化学物理研究所 一种低沸点有机相中由碳水化合物生产二元醇的方法
CN103420787B (zh) * 2012-05-21 2015-01-28 中国科学院大连化学物理研究所 近或超临界水条件下碳水化合物制小分子多元醇的方法
CN102731258B (zh) * 2012-05-21 2014-07-23 中国科学院大连化学物理研究所 一种碳水化合物内循环催化转化制备低碳多元醇的方法
CN102757310B (zh) * 2012-07-04 2015-04-29 易高环保能源研究院有限公司 催化转化纤维素制异丙醇的方法
US20150291899A1 (en) * 2012-12-28 2015-10-15 Mitsubishi Heavy Industries, Ltd. Co shift catalyst, co shift reactor, and method for purifying gasification gas
FR3004182B1 (fr) * 2013-04-09 2015-03-27 IFP Energies Nouvelles Procede de transformation de biomasses lignocellulosiques en molecules mono ou poly-oxygenees
CN103232322A (zh) * 2013-05-23 2013-08-07 上海宇海企业发展集团有限公司 一种由生物质原料制备乙二醇的方法
ITTO20130885A1 (it) 2013-10-31 2015-05-01 Biochemtex Spa Conversione di una sospensione di biomassa lignocellulosica di bassa viscosita' in polioli
CN106795081B (zh) 2014-05-19 2018-12-28 爱荷华谷类推广协会 由糖类连续制备乙二醇的方法
CA2973437C (en) 2015-01-13 2020-04-14 Avantium Knowledge Centre B.V. Process for preparing ethylene glycol from a carbohydrate source
PL3245183T3 (pl) 2015-01-13 2020-07-27 Avantium Knowledge Centre B.V. Sposób wytwarzania glikolu etylenowego ze źródła węglowodanów
US10131600B2 (en) 2015-01-13 2018-11-20 Avantium Knowledge Centre B.V. Process for preparing ethylene glycol from a carbohydrate
US10138184B2 (en) 2015-01-13 2018-11-27 Avantium Knowledge Centre B.V. Continuous process for preparing ethylene glycol from a carbohydrate source
US10385462B2 (en) 2015-07-09 2019-08-20 Saudi Arabian Oil Company Electrode material for electrolytic hydrogen generation
CN106694009B (zh) 2015-11-12 2019-12-13 中国科学院大连化学物理研究所 合金催化剂用于碳水化合物催化制备低碳二元醇的方法
GB201607609D0 (en) * 2016-04-29 2016-06-15 Scg Chemicals Co Ltd And Scg Packaging Public Company Ltd Catalyst and use thereof
CN107008485B (zh) * 2017-05-08 2019-05-03 齐鲁工业大学 一种氮掺杂石墨烯负载Ru和WO3的催化剂及制备方法与应用
CN109896922B (zh) * 2017-12-07 2022-03-22 中国科学院大连化学物理研究所 一种木质纤维素高效分离并实现全组分利用的方法
MX2020008341A (es) * 2018-02-09 2020-12-11 Archer Daniels Midland Co Hidrogenólisis de azúcar con co-catalizador de molibdeno selectivo para la produccion de glicoles.
CN110882710B (zh) * 2018-09-07 2022-10-21 中国石油化工股份有限公司 碳化物基催化剂及其制备方法以及甘油氢解方法
CN110064400B (zh) * 2019-05-06 2022-04-12 东南大学 一种三层磁性催化剂的制备及其催化纤维素加氢的应用
EP4003946A1 (en) 2019-07-31 2022-06-01 Avantium Knowledge Centre B.V. Process for preparing alkylene glycol from a carbohydrate source comprising hemicellulose, cellulose and lignin
US11187044B2 (en) 2019-12-10 2021-11-30 Saudi Arabian Oil Company Production cavern
CN115038684A (zh) 2020-02-17 2022-09-09 阿凡田知识中心有限公司 一种对甘油选择性增加的从碳水化合物来源制备亚烷基二醇的方法
EP4107141B1 (en) 2020-02-17 2024-04-03 Avantium Knowledge Centre B.V. Process for preparing alkylene glycol mixture from a carbohydrate source with decreased selectivity for polyol side products
US11460330B2 (en) 2020-07-06 2022-10-04 Saudi Arabian Oil Company Reducing noise in a vortex flow meter
CN112206773A (zh) * 2020-11-08 2021-01-12 河南理工大学 一种用于纤维素制备乙醇的催化剂及其制备方法和用途
CN112569996B (zh) * 2020-12-10 2022-12-09 中化蓝天集团有限公司 一种制备全卤代乙烯的催化剂及其制备方法和应用
CN112657526B (zh) * 2020-12-10 2023-04-28 中化蓝天集团有限公司 一种制备全卤代乙烯的催化剂及其制备方法和应用
CN112961046B (zh) * 2021-02-06 2022-10-14 中国石油大学(华东) 一种利用废弃生物质无碱合成乙醇酸的方法
CN115155571B (zh) * 2022-06-22 2024-02-13 东南大学 还原态金属催化剂及其制备方法与应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2868847A (en) * 1956-10-05 1959-01-13 Engelhard Ind Inc Hydrogenation of mono-and disaccharides to polyols
US4476331A (en) 1982-02-11 1984-10-09 Ethyl Corporation Two stage hydrogenolysis of carbohydrate to glycols using sulfide modified ruthenium catalyst in second stage
DE3818198A1 (de) 1988-05-28 1989-12-21 Basf Ag Verfahren zur herstellung niederer mehrwertiger alkohole
DE3928285A1 (de) * 1989-08-26 1991-02-28 Basf Ag Verfahren zur herstellung niederer, mehrwertiger alkohole
CN1204103C (zh) 2002-06-12 2005-06-01 中国石油化工股份有限公司 环氧乙烷催化水合制备乙二醇的方法
CN1218917C (zh) * 2003-07-09 2005-09-14 中国石油化工股份有限公司 用于环氧乙烷催化水合制备乙二醇的方法
CN101428214B (zh) * 2007-11-07 2011-01-19 中国科学院大连化学物理研究所 氧化铝负载类贵金属催化剂在纤维素加氢水解中的应用

Also Published As

Publication number Publication date
CA2725248A1 (en) 2010-04-29
US7960594B2 (en) 2011-06-14
ES2447367T3 (es) 2014-03-11
CN101723802B (zh) 2013-06-19
EP2338867B1 (en) 2014-01-08
CN101723802A (zh) 2010-06-09
EP2338867A4 (en) 2012-06-13
WO2010045766A1 (zh) 2010-04-29
US20100256424A1 (en) 2010-10-07
MX2010011284A (es) 2010-11-10
BRPI0822634B1 (pt) 2017-03-07
CA2725248C (en) 2015-01-20
EP2338867A1 (en) 2011-06-29

Similar Documents

Publication Publication Date Title
BRPI0822634A2 (pt) Método de preparar etileno glicol a partir de celulose
BRPI0911507A2 (pt) método para provisão de nanocelulose envolvendo modificação de fibras de celulose
FI20095140A0 (fi) Menetelmä muokatun selluloosan valmistamiseksi
BR112012000144A2 (pt) processo para produzir celulose microfibrilada
BRPI0912077A2 (pt) método para preparação de etileno glicol a partir de um composto poliidroxilados
BRPI0919871A2 (pt) processo para preparação de acroleína a partir de glicerol
DK2808440T3 (da) Fremgangsmåde til fremstilling af nanofibrillære cellulosesuspensioner
DK3567069T3 (da) Fremgangsmåde til fremstilling af nanofibrillære cellulosegeler
ZA201200327B (en) Process for producing microfibrillated cellulose
BRPI0906098A2 (pt) Método de preparação de um composto
BRPI1014723A2 (pt) Processo para hidrólise de celulose
DK2386682T3 (da) Fremgangsmåde til fremstilling af strukturerede materialer under anvendelse af nano-fibrillære cellulosegeler
BRPI0820478A2 (pt) Hidrólisepara a produção de açúcares solúveis a partir de um material contendo celulose
FI20105640A (fi) Menetelmä mikroselluloosan valmistamiseksi
BRPI0720978A2 (pt) Método de branqueamento de um material de celulose
ZA201107860B (en) Method for obtaining cellulose from biomass comprising lignocellulose
BRPI0908726A2 (pt) processo para a despolimerização de celulose
PL2501852T3 (pl) Sposób przetwarzania włókien celulozowych
BR112012032124A2 (pt) método produzir ácido poliláctico stereocomplex, e ácido poliláctico stereocomplex sintetizado a partir de glicerina
BRPI1006378A2 (pt) processo para a produção de celulose alcalina
BR112012028224A2 (pt) artigo formado a partir de uma pluralidade de fibras de celulose desfibriladas
PL2148000T3 (pl) Sposób otrzymywania celulozy
BRPI1012180A2 (pt) método de fabricação de máquina de lavanderia
BR112012018322A2 (pt) processo de síntese aperfeiçoado de acroleína, a partir de glicerol
BRPI1010656A2 (pt) método de preparação de um polímero enxertado

Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]