CA2907543C - Soft bath tissues having low wet abrasion and good durability - Google Patents
Soft bath tissues having low wet abrasion and good durability Download PDFInfo
- Publication number
- CA2907543C CA2907543C CA2907543A CA2907543A CA2907543C CA 2907543 C CA2907543 C CA 2907543C CA 2907543 A CA2907543 A CA 2907543A CA 2907543 A CA2907543 A CA 2907543A CA 2907543 C CA2907543 C CA 2907543C
- Authority
- CA
- Canada
- Prior art keywords
- ply
- bath tissue
- wet
- tissue according
- bath
- 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.)
- Active
Links
- 238000005299 abrasion Methods 0.000 title claims abstract description 68
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000000835 fiber Substances 0.000 claims description 57
- 238000012360 testing method Methods 0.000 claims description 30
- 239000011122 softwood Substances 0.000 claims description 18
- 229920001410 Microfiber Polymers 0.000 claims description 11
- 239000002655 kraft paper Substances 0.000 claims description 11
- 239000003658 microfiber Substances 0.000 claims description 11
- 244000166124 Eucalyptus globulus Species 0.000 claims description 9
- 239000011121 hardwood Substances 0.000 claims description 8
- 230000000052 comparative effect Effects 0.000 abstract description 20
- 239000010410 layer Substances 0.000 description 47
- 239000000126 substance Substances 0.000 description 25
- 239000000123 paper Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 230000001953 sensory effect Effects 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 238000003490 calendering Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 102000004190 Enzymes Human genes 0.000 description 7
- 108090000790 Enzymes Proteins 0.000 description 7
- 229920002472 Starch Polymers 0.000 description 7
- 239000003139 biocide Substances 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 239000003607 modifier Substances 0.000 description 7
- 239000004627 regenerated cellulose Substances 0.000 description 7
- 239000008107 starch Substances 0.000 description 7
- 235000019698 starch Nutrition 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 239000005022 packaging material Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000004606 Fillers/Extenders Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241000287227 Fringillidae Species 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 101150000419 GPC gene Proteins 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 240000003864 Ulex europaeus Species 0.000 description 1
- SSBRSHIQIANGKS-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;hydrogen sulfate Chemical compound NC(N)=O.OS(O)(=O)=O SSBRSHIQIANGKS-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000003359 percent control normalization Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/04—Kraft or sulfate pulp
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Sanitary Thin Papers (AREA)
- Materials For Medical Uses (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3181753A CA3181753A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3083502A CA3083502C (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3181756A CA3181756A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361804364P | 2013-03-22 | 2013-03-22 | |
| US61/804,364 | 2013-03-22 | ||
| US14/173,950 | 2014-02-06 | ||
| US14/173,950 US8877008B2 (en) | 2013-03-22 | 2014-02-06 | Soft bath tissues having low wet abrasion and good durability |
| PCT/US2014/019892 WO2014149616A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3083502A Division CA3083502C (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3181756A Division CA3181756A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3181753A Division CA3181753A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2907543A1 CA2907543A1 (en) | 2014-09-25 |
| CA2907543C true CA2907543C (en) | 2023-02-14 |
Family
ID=51568256
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3083502A Active CA3083502C (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA2907543A Active CA2907543C (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3181753A Pending CA3181753A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3181756A Pending CA3181756A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3083502A Active CA3083502C (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3181753A Pending CA3181753A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
| CA3181756A Pending CA3181756A1 (en) | 2013-03-22 | 2014-03-03 | Soft bath tissues having low wet abrasion and good durability |
Country Status (9)
| Country | Link |
|---|---|
| US (7) | US8877008B2 (enExample) |
| EP (1) | EP2976462B1 (enExample) |
| JP (1) | JP6465858B2 (enExample) |
| KR (1) | KR102044502B1 (enExample) |
| CN (2) | CN108338728B (enExample) |
| AU (1) | AU2014237969B2 (enExample) |
| CA (4) | CA3083502C (enExample) |
| MX (2) | MX375945B (enExample) |
| WO (1) | WO2014149616A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8540846B2 (en) | 2009-01-28 | 2013-09-24 | Georgia-Pacific Consumer Products Lp | Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt |
| US8187422B2 (en) | 2006-03-21 | 2012-05-29 | Georgia-Pacific Consumer Products Lp | Disposable cellulosic wiper |
| US8877008B2 (en) | 2013-03-22 | 2014-11-04 | Georgia-Pacific Consumer Products Lp | Soft bath tissues having low wet abrasion and good durability |
| US11035078B2 (en) | 2018-03-07 | 2021-06-15 | Gpcp Ip Holdings Llc | Low lint multi-ply paper products having a first stratified base sheet and a second stratified base sheet |
| CA3034832A1 (en) | 2018-03-07 | 2019-09-07 | Gpcp Ip Holdings Llc | Low lint paper products and methods of making the same |
| WO2020229737A1 (en) * | 2019-05-15 | 2020-11-19 | Kemira Oyj | Fiber formulation, its use and method for making it |
| MX2021015190A (es) | 2019-06-17 | 2022-01-18 | Kimberly Clark Co | Producto de papel tisu suave y fuerte que incluye fibras de celulosa regenerada. |
| US12252845B2 (en) | 2019-06-17 | 2025-03-18 | Kimberly-Clark Worldwide, Inc. | Soft and strong tissue product including regenerated cellulose fibers |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4983748A (en) | 1984-08-17 | 1991-01-08 | National Starch And Chemical Investment Holding Corporation | Acetals useful for the preparation of polysaccharide derivatives |
| US4675394A (en) | 1984-08-17 | 1987-06-23 | National Starch And Chemical Corporation | Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
| US4703116A (en) | 1984-08-17 | 1987-10-27 | National Starch And Chemical Corporation | Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
| US4603176A (en) | 1985-06-25 | 1986-07-29 | The Procter & Gamble Company | Temporary wet strength resins |
| US4866151A (en) | 1987-03-25 | 1989-09-12 | National Starch And Chemical Corporation | Polysaccharide graft polymers containing acetal groups and their conversion to aldehyde groups |
| US5223092A (en) | 1988-04-05 | 1993-06-29 | James River Corporation | Fibrous paper cover stock with textured surface pattern and method of manufacturing the same |
| US5085736A (en) | 1988-07-05 | 1992-02-04 | The Procter & Gamble Company | Temporary wet strength resins and paper products containing same |
| US4981557A (en) | 1988-07-05 | 1991-01-01 | The Procter & Gamble Company | Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same |
| US5008344A (en) | 1988-07-05 | 1991-04-16 | The Procter & Gamble Company | Temporary wet strength resins and paper products containing same |
| US5138002A (en) | 1988-07-05 | 1992-08-11 | The Procter & Gamble Company | Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same |
| US5233092A (en) | 1989-11-06 | 1993-08-03 | Xiao Zaosheng | Diphosphonate compounds, their preparation and application |
| US5217576A (en) | 1991-11-01 | 1993-06-08 | Dean Van Phan | Soft absorbent tissue paper with high temporary wet strength |
| US5240562A (en) | 1992-10-27 | 1993-08-31 | Procter & Gamble Company | Paper products containing a chemical softening composition |
| US5981044A (en) | 1993-06-30 | 1999-11-09 | The Procter & Gamble Company | Multi-layered tissue paper web comprising biodegradable chemical softening compositions and binder materials and process for making the same |
| US5437766A (en) | 1993-10-22 | 1995-08-01 | The Procter & Gamble Company | Multi-ply facial tissue paper product comprising biodegradable chemical softening compositions and binder materials |
| US5397435A (en) * | 1993-10-22 | 1995-03-14 | Procter & Gamble Company | Multi-ply facial tissue paper product comprising chemical softening compositions and binder materials |
| US5385643A (en) | 1994-03-10 | 1995-01-31 | The Procter & Gamble Company | Process for applying a thin film containing low levels of a functional-polysiloxane and a nonfunctional-polysiloxane to tissue paper |
| CA2144838C (en) * | 1994-03-18 | 2006-11-28 | Dinesh M. Bhat | Prewettable high softness paper product having temporary wet strength |
| US5573637A (en) | 1994-12-19 | 1996-11-12 | The Procter & Gamble Company | Tissue paper product comprising a quaternary ammonium compound, a polysiloxane compound and binder materials |
| US5538595A (en) * | 1995-05-17 | 1996-07-23 | The Proctor & Gamble Company | Chemically softened tissue paper products containing a ploysiloxane and an ester-functional ammonium compound |
| US6149769A (en) | 1998-06-03 | 2000-11-21 | The Procter & Gamble Company | Soft tissue having temporary wet strength |
| JP3618276B2 (ja) * | 2000-03-31 | 2005-02-09 | ユニ・チャーム株式会社 | 繊維長の異なるフィブリル化レーヨンを含有した水解性繊維シート |
| US7303650B2 (en) * | 2003-12-31 | 2007-12-04 | Kimberly-Clark Worldwide, Inc. | Splittable cloth like tissue webs |
| JP4540470B2 (ja) * | 2004-12-27 | 2010-09-08 | 花王株式会社 | 水解性清拭物品 |
| US8236135B2 (en) | 2006-10-16 | 2012-08-07 | The Procter & Gamble Company | Multi-ply tissue products |
| RU2519994C2 (ru) | 2009-10-16 | 2014-06-20 | Ска Хайджин Продактс Аб | Влажная салфетка или тонкий гигиенический материал, которые можно спускать в канализацию |
| US9309627B2 (en) | 2011-07-28 | 2016-04-12 | Georgia-Pacific Consumer Products Lp | High softness, high durability bath tissues with temporary wet strength |
| US9267240B2 (en) | 2011-07-28 | 2016-02-23 | Georgia-Pacific Products LP | High softness, high durability bath tissue incorporating high lignin eucalyptus fiber |
| US8877008B2 (en) * | 2013-03-22 | 2014-11-04 | Georgia-Pacific Consumer Products Lp | Soft bath tissues having low wet abrasion and good durability |
-
2014
- 2014-02-06 US US14/173,950 patent/US8877008B2/en active Active
- 2014-03-03 JP JP2016504297A patent/JP6465858B2/ja not_active Expired - Fee Related
- 2014-03-03 CN CN201810382211.4A patent/CN108338728B/zh not_active Expired - Fee Related
- 2014-03-03 EP EP14770459.7A patent/EP2976462B1/en active Active
- 2014-03-03 CA CA3083502A patent/CA3083502C/en active Active
- 2014-03-03 CA CA2907543A patent/CA2907543C/en active Active
- 2014-03-03 CN CN201480017326.3A patent/CN105164339B/zh not_active Expired - Fee Related
- 2014-03-03 WO PCT/US2014/019892 patent/WO2014149616A1/en not_active Ceased
- 2014-03-03 KR KR1020157030556A patent/KR102044502B1/ko not_active Expired - Fee Related
- 2014-03-03 MX MX2015013532A patent/MX375945B/es active IP Right Grant
- 2014-03-03 CA CA3181753A patent/CA3181753A1/en active Pending
- 2014-03-03 AU AU2014237969A patent/AU2014237969B2/en not_active Ceased
- 2014-03-03 CA CA3181756A patent/CA3181756A1/en active Pending
- 2014-09-02 US US14/474,345 patent/US9045864B2/en active Active
- 2014-09-02 US US14/474,344 patent/US9045863B2/en active Active
-
2015
- 2015-04-02 US US14/676,844 patent/US9441328B2/en active Active
- 2015-09-22 MX MX2020007752A patent/MX2020007752A/es unknown
-
2016
- 2016-07-28 US US15/221,773 patent/US9783934B2/en active Active
-
2017
- 2017-09-05 US US15/695,074 patent/US10072382B2/en active Active
-
2018
- 2018-08-09 US US16/059,169 patent/US10731300B2/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20190221 |
|
| EEER | Examination request |
Effective date: 20190221 |
|
| EEER | Examination request |
Effective date: 20190221 |
|
| EEER | Examination request |
Effective date: 20190221 |
|
| EEER | Examination request |
Effective date: 20190221 |
|
| EEER | Examination request |
Effective date: 20190221 |
|
| EEER | Examination request |
Effective date: 20190221 |