RU2556635C2 - Концентрированные стабильные в хранении водные растворы оптических отбеливателей - Google Patents
Концентрированные стабильные в хранении водные растворы оптических отбеливателей Download PDFInfo
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- RU2556635C2 RU2556635C2 RU2012127391/04A RU2012127391A RU2556635C2 RU 2556635 C2 RU2556635 C2 RU 2556635C2 RU 2012127391/04 A RU2012127391/04 A RU 2012127391/04A RU 2012127391 A RU2012127391 A RU 2012127391A RU 2556635 C2 RU2556635 C2 RU 2556635C2
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- aqueous solution
- stable aqueous
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- concentrated storage
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- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
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- CPMVCRMQKZREQQ-UHFFFAOYSA-L ctk4c8528 Chemical compound [Ca+2].[O-]S(=O)S([O-])=O CPMVCRMQKZREQQ-UHFFFAOYSA-L 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 229940074358 magnesium ascorbate Drugs 0.000 description 1
- 239000001755 magnesium gluconate Substances 0.000 description 1
- 235000015778 magnesium gluconate Nutrition 0.000 description 1
- 229960003035 magnesium gluconate Drugs 0.000 description 1
- BLQJIBCZHWBKSL-UHFFFAOYSA-L magnesium iodide Chemical compound [Mg+2].[I-].[I-] BLQJIBCZHWBKSL-UHFFFAOYSA-L 0.000 description 1
- 229910001641 magnesium iodide Inorganic materials 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- AIOKQVJVNPDJKA-ZZMNMWMASA-L magnesium;(2r)-2-[(1s)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2h-furan-3-olate Chemical compound [Mg+2].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] AIOKQVJVNPDJKA-ZZMNMWMASA-L 0.000 description 1
- IAKLPCRFBAZVRW-XRDLMGPZSA-L magnesium;(2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanoate;hydrate Chemical compound O.[Mg+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O IAKLPCRFBAZVRW-XRDLMGPZSA-L 0.000 description 1
- GMDNUWQNDQDBNQ-UHFFFAOYSA-L magnesium;diformate Chemical compound [Mg+2].[O-]C=O.[O-]C=O GMDNUWQNDQDBNQ-UHFFFAOYSA-L 0.000 description 1
- LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- SYFQTIIOWUIZGU-UHFFFAOYSA-M sodium;2-amino-4-sulfobenzenesulfonate Chemical compound [Na+].NC1=CC(S([O-])(=O)=O)=CC=C1S(O)(=O)=O SYFQTIIOWUIZGU-UHFFFAOYSA-M 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
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- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/66—Derivatives of melamine in which a hetero atom is directly attached to a nitrogen atom of melamine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2582—Coating or impregnation contains an optical bleach or brightener or functions as an optical bleach or brightener [e.g., it masks fabric yellowing, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Medicinal Preparation (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09014923 | 2009-12-02 | ||
| EP09014923.8 | 2009-12-02 | ||
| EP10004335 | 2010-04-23 | ||
| EP10004335.5 | 2010-04-23 | ||
| PCT/EP2010/007287 WO2011066955A1 (en) | 2009-12-02 | 2010-12-01 | Concentrated storage-stable aqueous optical brightening solutions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2012127391A RU2012127391A (ru) | 2014-01-10 |
| RU2556635C2 true RU2556635C2 (ru) | 2015-07-10 |
Family
ID=43414905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2012127391/04A RU2556635C2 (ru) | 2009-12-02 | 2010-12-01 | Концентрированные стабильные в хранении водные растворы оптических отбеливателей |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US9951031B2 (OSRAM) |
| EP (1) | EP2507217B1 (OSRAM) |
| JP (1) | JP2013512971A (OSRAM) |
| KR (1) | KR101719499B1 (OSRAM) |
| CN (1) | CN102639514B (OSRAM) |
| AR (1) | AR079244A1 (OSRAM) |
| AU (1) | AU2010327087A1 (OSRAM) |
| BR (1) | BR112012013258B1 (OSRAM) |
| CA (1) | CA2782729C (OSRAM) |
| IL (1) | IL219909A0 (OSRAM) |
| PT (1) | PT2507217E (OSRAM) |
| RU (1) | RU2556635C2 (OSRAM) |
| TW (1) | TWI547488B (OSRAM) |
| WO (1) | WO2011066955A1 (OSRAM) |
| ZA (1) | ZA201202842B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1712677A1 (en) * | 2005-04-08 | 2006-10-18 | Clariant International Ltd. | Aqueous solutions of optical brighteners |
| CN104312197B (zh) * | 2014-09-05 | 2016-09-21 | 旭泰（太仓）精细化工有限公司 | 一种六磺酸类液体荧光增白剂及其制备方法与应用 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH532686A (de) * | 1968-07-10 | 1973-01-15 | Ciba Geigy Ag | Verwendung von Bis-s-triazinylamino-stilben-2,2'-disulfonsäuren zum optischen Aufhellen von nichttextilen Cellulosesubstraten |
| RU2205828C2 (ru) * | 1997-05-23 | 2003-06-10 | Циба Спешиалти Кемикалз Холдинг Инк. | Соединения триазиниламиностильбена, способы их получения, водные композиции, их содержащие, и способ флуоресцентного отбеливания бумаги |
| EP1378545A1 (en) * | 2001-03-22 | 2004-01-07 | Nippon Kayaku Kabushiki Kaisha | Aqueous liquid composition of fluorescent brightener excellent in dyeing characteristics |
| EP1612209A1 (en) * | 2004-06-28 | 2006-01-04 | Clariant International Ltd. | Improvements relating to optical brightening agents |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3479349A (en) * | 1967-08-03 | 1969-11-18 | Geigy Chem Corp | Polysulfonated bis-s-triazinylamino-stilbene-2,2'-disulfonic acids |
| US3589921A (en) * | 1969-03-18 | 1971-06-29 | Geigy Chem Corp | Polysulfonated bis-s-triazinylamino-stilbene-2,2'-disulfonic acids |
| CH647021A5 (de) | 1981-09-22 | 1984-12-28 | Ciba Geigy Ag | Verfahren zur herstellung lagerstabiler aufhellerformulierungen. |
| JPS58174448A (ja) | 1982-04-07 | 1983-10-13 | Showa Kagaku Kogyo Kk | 水溶性染料またはスチルベン系螢光増白剤の濃厚水溶液の製造方法 |
| JPS62106965A (ja) | 1985-11-05 | 1987-05-18 | Shin Nisso Kako Co Ltd | 螢光増白剤 |
| JPH08184939A (ja) | 1994-12-28 | 1996-07-16 | Fuji Photo Film Co Ltd | キャンバスフォト写真印画紙用支持体 |
| CN101495578B (zh) | 2006-07-28 | 2013-06-12 | 克莱里安特财务(Bvi)有限公司 | 碱性双偶氮化合物 |
| US7381300B2 (en) * | 2006-10-31 | 2008-06-03 | International Paper Company | Process for manufacturing paper and paperboard products |
| JP2011515547A (ja) * | 2008-03-26 | 2011-05-19 | クラリアント・ファイナンス・（ビーブイアイ）・リミテッド | 改善された光学的増白組成物 |
| EP2192231A1 (en) | 2008-11-27 | 2010-06-02 | Clariant International Ltd. | Improved optical brightening compositions for high quality inkjet printing |
| WO2010086417A1 (en) * | 2009-02-02 | 2010-08-05 | Akzo Nobel Chemicals International B.V. | Surface additives for whiteness improvements to reverse whiteness loss due to calcium chloride |
-
2010
- 2010-12-01 CA CA2782729A patent/CA2782729C/en not_active Expired - Fee Related
- 2010-12-01 RU RU2012127391/04A patent/RU2556635C2/ru not_active IP Right Cessation
- 2010-12-01 US US13/513,369 patent/US9951031B2/en active Active
- 2010-12-01 JP JP2012541355A patent/JP2013512971A/ja active Pending
- 2010-12-01 PT PT107853541T patent/PT2507217E/pt unknown
- 2010-12-01 CN CN201080053853.1A patent/CN102639514B/zh active Active
- 2010-12-01 WO PCT/EP2010/007287 patent/WO2011066955A1/en not_active Ceased
- 2010-12-01 AU AU2010327087A patent/AU2010327087A1/en not_active Abandoned
- 2010-12-01 BR BR112012013258-0A patent/BR112012013258B1/pt active IP Right Grant
- 2010-12-01 EP EP20100785354 patent/EP2507217B1/en active Active
- 2010-12-01 KR KR1020127016734A patent/KR101719499B1/ko active Active
- 2010-12-02 TW TW099141975A patent/TWI547488B/zh not_active IP Right Cessation
- 2010-12-02 AR ARP100104453 patent/AR079244A1/es not_active Application Discontinuation
-
2012
- 2012-04-18 ZA ZA2012/02842A patent/ZA201202842B/en unknown
- 2012-05-21 IL IL219909A patent/IL219909A0/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH532686A (de) * | 1968-07-10 | 1973-01-15 | Ciba Geigy Ag | Verwendung von Bis-s-triazinylamino-stilben-2,2'-disulfonsäuren zum optischen Aufhellen von nichttextilen Cellulosesubstraten |
| RU2205828C2 (ru) * | 1997-05-23 | 2003-06-10 | Циба Спешиалти Кемикалз Холдинг Инк. | Соединения триазиниламиностильбена, способы их получения, водные композиции, их содержащие, и способ флуоресцентного отбеливания бумаги |
| EP1378545A1 (en) * | 2001-03-22 | 2004-01-07 | Nippon Kayaku Kabushiki Kaisha | Aqueous liquid composition of fluorescent brightener excellent in dyeing characteristics |
| EP1612209A1 (en) * | 2004-06-28 | 2006-01-04 | Clariant International Ltd. | Improvements relating to optical brightening agents |
Also Published As
| Publication number | Publication date |
|---|---|
| AR079244A1 (es) | 2012-01-04 |
| TW201136902A (en) | 2011-11-01 |
| EP2507217A1 (en) | 2012-10-10 |
| US9951031B2 (en) | 2018-04-24 |
| RU2012127391A (ru) | 2014-01-10 |
| CA2782729A1 (en) | 2011-06-09 |
| BR112012013258B1 (pt) | 2021-01-12 |
| CN102639514B (zh) | 2015-05-13 |
| KR20120112499A (ko) | 2012-10-11 |
| JP2013512971A (ja) | 2013-04-18 |
| US20120238171A1 (en) | 2012-09-20 |
| BR112012013258A2 (pt) | 2015-09-15 |
| EP2507217B1 (en) | 2015-03-04 |
| ZA201202842B (en) | 2012-12-27 |
| AU2010327087A1 (en) | 2012-05-17 |
| PT2507217E (pt) | 2015-05-07 |
| CN102639514A (zh) | 2012-08-15 |
| CA2782729C (en) | 2017-09-19 |
| WO2011066955A1 (en) | 2011-06-09 |
| HK1173443A1 (en) | 2013-05-16 |
| IL219909A0 (en) | 2012-07-31 |
| TWI547488B (zh) | 2016-09-01 |
| KR101719499B1 (ko) | 2017-03-24 |
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| PC41 | Official registration of the transfer of exclusive right |
Effective date: 20161220 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20191202 |