KR20180030052A - 동물 가죽의 개선된 무두질 방법 - Google Patents
동물 가죽의 개선된 무두질 방법 Download PDFInfo
- Publication number
- KR20180030052A KR20180030052A KR1020187001481A KR20187001481A KR20180030052A KR 20180030052 A KR20180030052 A KR 20180030052A KR 1020187001481 A KR1020187001481 A KR 1020187001481A KR 20187001481 A KR20187001481 A KR 20187001481A KR 20180030052 A KR20180030052 A KR 20180030052A
- Authority
- KR
- South Korea
- Prior art keywords
- tanning
- leather
- dialdehyde
- bath
- animal
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 241001465754 Metazoa Species 0.000 title claims abstract description 30
- 239000010985 leather Substances 0.000 claims abstract description 100
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 claims abstract description 28
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 24
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 14
- 229960000587 glutaral Drugs 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 4
- 241000283707 Capra Species 0.000 claims description 3
- PCSMJKASWLYICJ-UHFFFAOYSA-N Succinic aldehyde Chemical compound O=CCCC=O PCSMJKASWLYICJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000003138 primary alcohols Chemical group 0.000 claims description 3
- 241000289581 Macropus sp. Species 0.000 claims description 2
- WSMYVTOQOOLQHP-UHFFFAOYSA-N Malondialdehyde Chemical compound O=CCC=O WSMYVTOQOOLQHP-UHFFFAOYSA-N 0.000 claims description 2
- OOLBRPUFHUSCOS-UHFFFAOYSA-N Pimelic dialdehyde Chemical compound O=CCCCCCC=O OOLBRPUFHUSCOS-UHFFFAOYSA-N 0.000 claims description 2
- 241000272534 Struthio camelus Species 0.000 claims description 2
- 229940015043 glyoxal Drugs 0.000 claims description 2
- 241000938605 Crocodylia Species 0.000 claims 1
- 238000011282 treatment Methods 0.000 description 33
- 239000003795 chemical substances by application Substances 0.000 description 30
- 238000005554 pickling Methods 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- GYHFUZHODSMOHU-UHFFFAOYSA-N nonanal Chemical compound CCCCCCCCC=O GYHFUZHODSMOHU-UHFFFAOYSA-N 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 150000001299 aldehydes Chemical class 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- -1 glutaraldehyde 3-oxoglutaraldehyde Chemical compound 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 102000008186 Collagen Human genes 0.000 description 3
- 108010035532 Collagen Proteins 0.000 description 3
- 241001494479 Pecora Species 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229920001436 collagen Polymers 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000018553 tannin Nutrition 0.000 description 3
- 229920001864 tannin Polymers 0.000 description 3
- 239000001648 tannin Substances 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 244000309466 calf Species 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- UMHJEEQLYBKSAN-UHFFFAOYSA-N Adipaldehyde Chemical compound O=CCCCCC=O UMHJEEQLYBKSAN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000282994 Cervidae Species 0.000 description 1
- 241000270322 Lepidosauria Species 0.000 description 1
- 241000283903 Ovis aries Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007046 ethoxylation reaction Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/16—Chemical tanning by organic agents using aliphatic aldehydes
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
Description
매개변수 | 샘플 | |||
1A | 1B | 2A | 2B | |
평균 두께 (수평) |
1.16 mm | 1.25 mm | 1.20 mm | 1.33 mm |
평균 두께 (수직) |
1.16 mm | 1.27 mm | 1.18 mm | 1.27 mm |
평균 두께 (수평 및 수직의 산술 평균) |
1.16 mm | 1.26 mm | 1.19 mm | 1.30 mm |
평균 인열 하중 (수평) | 22 N | 21 N | 32 N | 30 N |
평균 인열 하중 (수직) | 26 N | 28 N | 37 N | 41 N |
평균 인열 하중 (수평과 수직의 산술 평균) | 24 N | 25 N | 35 N | 37 N |
Claims (11)
- 다음 단계들을 포함하는 동물 가죽의 무두질 방법:
a) 상기 동물 가죽을 다음을 포함하는 무두질 조와 접촉시키는 단계 (중량 백분율은 상기 가죽의 생가죽(pelt) 중량을 지칭함):
- 물,
- 2%-30% 범위 양의 최소한 하나의 C2-C8 지방족 다이알데하이드,
- 0.1%-20% 범위 양의 최소한 하나의 비-이온성 계면활성제 ,
상기 무두질 조는 1 - 5 범위의 pH 및 3 내지 10°Be 범위의 밀도를 가지며;
b) 무두질 조의 pH를 5 보다 높고 8 보다 낮거나 같은 pH가 되게 하는 단계;
c) 상기 가죽을 세척하여, 무두질된 동물 가죽을 얻는 단계. - 청구항 1에 있어서, 다음 단계들을 포함함을 특징으로 하는 동물 가죽의 무두질 방법:
b) 상기 무두질된 가죽을 다음을 포함하는 최소한 하나의 무두질 조와 접촉시키는 단계 (중량 백분율은 상기 가죽의 생가죽 중량을 지칭함):
- 물,
- 2%-30% 범위 양의 최소한 하나의 C2-C8 지방족 다이알데하이드,
상기 무두질 조는 1 - 5 범위의 pH 및 3 내지 10°Be 범위의 밀도를 가지며; 상기 비-이온성 계면활성제가 실질적으로 없음. - 청구항 1 또는 2에 있어서, 상기 단계 (d)의 무두질 조에서 상기 C2-C8 지방족 다이알데하이드의 농도 및 상기 단계 (a)의 무두질 조에서 C2-C8 지방족 다이알데하이드의 농도 간의 비율은 1/1.5와 동일하거나 낮고, 더욱 바람직하게는 1/2와 동일하거나 낮음을 특징으로 하는, 동물 가죽의 무두질 방법.
- 청구항 1 또는 2에 있어서, 상기 C2-C8 지방족 다이알데하이드는 다음에서 선택됨을 특징으로 하는, 동물 가죽의 무두질 방법: 글리옥살(glyoxal), 말로닉 다이알데하이드(malonic dialdehyde), 숙시닉 다이알데하이드(succinic dialdehyde), 글루타르다이알데하이드(glutardialdehyde), 아디픽 다이알데하이드(adipinic dialdehyde), 피멜릭 다이알데하이드(pimelic dialdehyde) 또는 이의 혼합물.
- 청구항 1 또는 2에 있어서, 상기 C2-C8 지방족 다이알데하이드는 글루타르다이알데하이드임을 특징으로 하는, 동물 가죽의 무두질 방법.
- 청구항 1 내지 5 중 어느 한 항에 있어서, 상기 비-이온성 계면활성제는 8 내지 22개 탄소 원자를 가지는 일차 알코올이고, 이러한 알코올은 에톡시화 (EO) 또는 에톡시화/프로폭시화 (EO/PO) 됨을 특징으로 하는, 동물 가죽의 무두질 방법.
- 청구항 1 내지 6 중 어느 한 항에 있어서, 상기 동물 가죽을 상기 무두질 조와 접촉시키는 상기 단계 (a)는 1 - 7 시간, 바람직하게는 1.5 - 4 시간 범위의 기간을 가짐을 특징으로 하는, 동물 가죽의 무두질 방법.
- 청구항 1 또는 2에 있어서, 상기 무두질 조 및 상기 동물 가죽 간의 중량 백분율 비율은 20% - 1000%, 바람직하게는 30% - 300% 범위임을 특징으로 하는, 동물 가죽의 무두질 방법.
- 청구항 1 내지 8 중 어느 한 항에 있어서, 상기 동물 가죽은 침산처리된 가죽임을 특징으로 하는, 동물 가죽의 무두질 방법.
- 청구항 1 내지 9 중 어느 한 항에 있어서, 상기 동물 가죽은 다음에서 선택됨을 특징으로 하는, 동물 가죽의 무두질 방법: 양가죽, 염소가죽, 소가죽, 말가죽, 돼지가죽, 사슴가죽, 캥거루가죽, 파충류가죽, 타조가죽, 바람직하게는 양가죽, 염소가죽 및 소가죽.
- ISO 3371-2:2016 방법에 따라 측정된, 20-50 N 범위의 기계적 강도를 가지는, 청구항 1 내지 10 중 어느 한 항의 방법을 사용하여 얻은 무두질된 가죽.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUB2015A002180A ITUB20152180A1 (it) | 2015-07-14 | 2015-07-14 | Metodo migliorato per conciare una pelle animale. |
IT102015000034080 | 2015-07-14 | ||
PCT/IB2016/054178 WO2017009786A1 (en) | 2015-07-14 | 2016-07-13 | Method for tanning an animal skin |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20180030052A true KR20180030052A (ko) | 2018-03-21 |
KR102572946B1 KR102572946B1 (ko) | 2023-08-30 |
Family
ID=54347697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020187001481A Active KR102572946B1 (ko) | 2015-07-14 | 2016-07-13 | 동물 가죽의 개선된 무두질 방법 |
Country Status (15)
Country | Link |
---|---|
US (1) | US11041219B2 (ko) |
EP (1) | EP3322827B1 (ko) |
JP (1) | JP6812407B2 (ko) |
KR (1) | KR102572946B1 (ko) |
CN (1) | CN107835860B (ko) |
AU (1) | AU2016294578B2 (ko) |
BR (1) | BR112017028229B1 (ko) |
CA (1) | CA2990936C (ko) |
DK (1) | DK3322827T3 (ko) |
ES (1) | ES2749674T3 (ko) |
IT (1) | ITUB20152180A1 (ko) |
PT (1) | PT3322827T (ko) |
RS (1) | RS59519B1 (ko) |
RU (1) | RU2730598C2 (ko) |
WO (1) | WO2017009786A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200049788A (ko) * | 2017-08-23 | 2020-05-08 | 디비 페이턴츠 엘티디. | 디알데히드로 동물 피부를 무두질하는 방법 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUB20152180A1 (it) | 2015-07-14 | 2017-01-14 | Db Patents Ltd | Metodo migliorato per conciare una pelle animale. |
WO2020044250A1 (en) * | 2018-08-30 | 2020-03-05 | Santori Pellami S.P.A. | Metal-free tanning method |
EP3798325A1 (en) * | 2020-10-21 | 2021-03-31 | Be Green Tannery Innovazione Conciaria Italiana S.r.l. | Tanning of bovine, sheep and goat skins with the use of commercial substances, process and operating methods for free-metal finished leathers |
CN114606351B (zh) * | 2022-02-25 | 2024-01-30 | 珍寿实业(商丘)有限公司 | 一种基于戊二醛组合物的浅色皮革无金属鞣制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6212200A (ja) * | 1985-07-10 | 1987-01-21 | 株式会社日立製作所 | チツプ部品搭載機のバツドマ−ク検出装置 |
DE19906190A1 (de) * | 1999-02-15 | 2000-08-17 | Boehme Chem Fab Kg | Gerbverfahren |
CN1863930A (zh) * | 2003-10-09 | 2006-11-15 | Tfl皮革技术有限责任公司 | 用于毛皮预鞣的组合物 |
US20090172890A1 (en) * | 2005-07-11 | 2009-07-09 | Basf Aktiengesellschaft Patents, Trademarks And Licenses | Method for Producing Leather |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941859A (en) | 1959-04-08 | 1960-06-21 | Martin L Fein | Tanning with glutaraldehyde |
US4270912A (en) * | 1979-06-26 | 1981-06-02 | Seton Company | Stabilized tanning composition comprising a reaction product of (a) polyaldehyde (b) secondary amine and (c) an alcohol and method |
DE3811267C1 (ko) * | 1988-04-02 | 1989-05-18 | Schill & Seilacher Gmbh & Co, 7030 Boeblingen, De | |
CN1020475C (zh) | 1989-01-04 | 1993-05-05 | 袁守熙 | 猪皮服装革制备工艺及其得到的产品 |
DE4102545A1 (de) * | 1991-01-29 | 1992-07-30 | Basf Ag | Verfahren zum alleingerben, vorgerben und mitgerben von bloessen und fellbloessen und zum nachgerben von leder und fell |
DE4242076A1 (de) | 1992-12-14 | 1994-06-16 | Roehm Gmbh | Gerbmittel und Gerbverfahren |
RU2039086C1 (ru) * | 1993-04-29 | 1995-07-09 | Научно-производственное объединение "Центральный научно-исследовательский институт кожевенно-обувной промышленности" | Способ выработки кож |
CN1044820C (zh) * | 1996-03-08 | 1999-08-25 | 徐国士 | 鱼皮无毒鞣制工艺 |
RU2149901C1 (ru) * | 1999-06-11 | 2000-05-27 | ОАО "Научно-исследовательский институт меховой промышленности" | Способ обработки шкурок пушнины |
CN101525673B (zh) | 2009-04-01 | 2012-06-27 | 陕西科技大学 | 一种用改性淀粉鞣剂鞣制白湿皮的工艺 |
ITUB20152180A1 (it) | 2015-07-14 | 2017-01-14 | Db Patents Ltd | Metodo migliorato per conciare una pelle animale. |
-
2015
- 2015-07-14 IT ITUB2015A002180A patent/ITUB20152180A1/it unknown
-
2016
- 2016-07-13 WO PCT/IB2016/054178 patent/WO2017009786A1/en active Application Filing
- 2016-07-13 RU RU2018103258A patent/RU2730598C2/ru active
- 2016-07-13 AU AU2016294578A patent/AU2016294578B2/en active Active
- 2016-07-13 US US15/743,077 patent/US11041219B2/en active Active
- 2016-07-13 ES ES16758267T patent/ES2749674T3/es active Active
- 2016-07-13 CA CA2990936A patent/CA2990936C/en active Active
- 2016-07-13 KR KR1020187001481A patent/KR102572946B1/ko active Active
- 2016-07-13 BR BR112017028229-1A patent/BR112017028229B1/pt active IP Right Grant
- 2016-07-13 EP EP16758267.5A patent/EP3322827B1/en active Active
- 2016-07-13 PT PT167582675T patent/PT3322827T/pt unknown
- 2016-07-13 CN CN201680040935.XA patent/CN107835860B/zh active Active
- 2016-07-13 DK DK16758267.5T patent/DK3322827T3/da active
- 2016-07-13 RS RS20191296A patent/RS59519B1/sr unknown
- 2016-07-13 JP JP2018502182A patent/JP6812407B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6212200A (ja) * | 1985-07-10 | 1987-01-21 | 株式会社日立製作所 | チツプ部品搭載機のバツドマ−ク検出装置 |
DE19906190A1 (de) * | 1999-02-15 | 2000-08-17 | Boehme Chem Fab Kg | Gerbverfahren |
CN1863930A (zh) * | 2003-10-09 | 2006-11-15 | Tfl皮革技术有限责任公司 | 用于毛皮预鞣的组合物 |
US20090172890A1 (en) * | 2005-07-11 | 2009-07-09 | Basf Aktiengesellschaft Patents, Trademarks And Licenses | Method for Producing Leather |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200049788A (ko) * | 2017-08-23 | 2020-05-08 | 디비 페이턴츠 엘티디. | 디알데히드로 동물 피부를 무두질하는 방법 |
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WO2017009786A1 (en) | 2017-01-19 |
ES2749674T3 (es) | 2020-03-23 |
EP3322827B1 (en) | 2019-07-10 |
DK3322827T3 (da) | 2019-10-07 |
AU2016294578A1 (en) | 2018-01-18 |
RU2730598C2 (ru) | 2020-08-24 |
CN107835860B (zh) | 2020-11-17 |
JP2018520253A (ja) | 2018-07-26 |
PT3322827T (pt) | 2019-10-25 |
CA2990936A1 (en) | 2017-01-19 |
KR102572946B1 (ko) | 2023-08-30 |
US11041219B2 (en) | 2021-06-22 |
HK1250248A1 (en) | 2018-12-07 |
BR112017028229B1 (pt) | 2022-11-29 |
ITUB20152180A1 (it) | 2017-01-14 |
JP6812407B2 (ja) | 2021-01-13 |
CA2990936C (en) | 2023-09-26 |
BR112017028229A2 (pt) | 2018-08-28 |
RS59519B1 (sr) | 2019-12-31 |
AU2016294578B2 (en) | 2020-12-24 |
RU2018103258A (ru) | 2019-08-15 |
US20190078169A1 (en) | 2019-03-14 |
EP3322827A1 (en) | 2018-05-23 |
CN107835860A (zh) | 2018-03-23 |
RU2018103258A3 (ko) | 2020-01-29 |
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