BR9708427A - Processo para incluir um enchimento particulado fino em papel de seda utilizando um polieletrólito aniônico - Google Patents

Processo para incluir um enchimento particulado fino em papel de seda utilizando um polieletrólito aniônico

Info

Publication number
BR9708427A
BR9708427A BR9708427A BR9708427A BR9708427A BR 9708427 A BR9708427 A BR 9708427A BR 9708427 A BR9708427 A BR 9708427A BR 9708427 A BR9708427 A BR 9708427A BR 9708427 A BR9708427 A BR 9708427A
Authority
BR
Brazil
Prior art keywords
tissue paper
fine particulate
anionic polyelectrolyte
particulate filling
tissue
Prior art date
Application number
BR9708427A
Other languages
English (en)
Inventor
Kenneth Douglas Vinson
Howard Thomas Deason
Original Assignee
Procter & Gamble
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 Procter & Gamble filed Critical Procter & Gamble
Publication of BR9708427A publication Critical patent/BR9708427A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch cationic
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • D21H17/43—Carboxyl groups or derivatives thereof
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or 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
    • 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
    • D21H21/50—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 form
    • D21H21/52—Additives of definite length or shape
    • 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

Landscapes

  • Paper (AREA)
  • Sanitary Thin Papers (AREA)
  • Materials For Medical Uses (AREA)
BR9708427A 1996-04-03 1997-04-03 Processo para incluir um enchimento particulado fino em papel de seda utilizando um polieletrólito aniônico BR9708427A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/627,855 US5700352A (en) 1996-04-03 1996-04-03 Process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte
PCT/US1997/006018 WO1997037081A1 (en) 1996-04-03 1997-04-03 A process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte

Publications (1)

Publication Number Publication Date
BR9708427A true BR9708427A (pt) 1999-08-03

Family

ID=24516425

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9708427A BR9708427A (pt) 1996-04-03 1997-04-03 Processo para incluir um enchimento particulado fino em papel de seda utilizando um polieletrólito aniônico

Country Status (10)

Country Link
US (1) US5700352A (pt)
EP (1) EP0891444B1 (pt)
JP (1) JP3194233B2 (pt)
KR (1) KR100315335B1 (pt)
AT (1) ATE269442T1 (pt)
AU (1) AU2455097A (pt)
BR (1) BR9708427A (pt)
CA (1) CA2250842A1 (pt)
DE (1) DE69729561D1 (pt)
WO (1) WO1997037081A1 (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5830317A (en) * 1995-04-07 1998-11-03 The Procter & Gamble Company Soft tissue paper with biased surface properties containing fine particulate fillers
US5672249A (en) * 1996-04-03 1997-09-30 The Procter & Gamble Company Process for including a fine particulate filler into tissue paper using starch
CA2324459A1 (en) * 1998-03-23 1999-09-30 Pulp And Paper Research Institute Of Canada Method for producing pulp and paper with calcium carbonate filler
WO1999064673A1 (en) 1998-06-12 1999-12-16 Fort James Corporation Method of making a paper web having a high internal void volume of secondary fibers and a product made by the process
CO5150202A1 (es) 1998-12-31 2002-04-29 Kimberly Clark Co Composicion de tisu facial y metodo para usarla para el secuestro de irritantes de la piel de la secrecion nasal
US6241850B1 (en) 1999-06-16 2001-06-05 The Procter & Gamble Company Soft tissue product exhibiting improved lint resistance and process for making
US6383336B1 (en) 1999-12-14 2002-05-07 Kimberly-Clark Worldwide, Inc. Strong, soft non-compressively dried tissue products containing particulate fillers
US6358365B1 (en) 1999-12-14 2002-03-19 Hercules Incorporated Metal silicates, cellulose products, and processes thereof
US6425981B1 (en) 1999-12-16 2002-07-30 Metso Paper Karlstad Aktiebolg (Ab) Apparatus and associated method for drying a wet web of paper
US6464830B1 (en) * 2000-11-07 2002-10-15 Kimberly-Clark Worldwide, Inc. Method for forming a multi-layered paper web
US6837970B2 (en) * 2001-12-18 2005-01-04 Kimberly-Clark Worldwide, Inc. Wood pulp fiber morphology modifications through thermal drying
US6939443B2 (en) * 2002-06-19 2005-09-06 Lanxess Corporation Anionic functional promoter and charge control agent
US20040203308A1 (en) * 2003-04-09 2004-10-14 Ko Young Chan Process for making absorbent material
US7208429B2 (en) * 2004-12-02 2007-04-24 The Procter + Gamble Company Fibrous structures comprising a nonoparticle additive
US7459179B2 (en) * 2004-12-02 2008-12-02 The Procter & Gamble Company Process for making a fibrous structure comprising an additive
US7976679B2 (en) * 2004-12-02 2011-07-12 The Procter & Gamble Company Fibrous structures comprising a low surface energy additive
US20060260509A1 (en) * 2005-04-22 2006-11-23 Evers Glenn R Compositions for enhanced paper brightness and whiteness
US20080163995A1 (en) * 2005-04-27 2008-07-10 Joy Kogias Paper Product Containing Mineral Material Which Stimulates Micro-Organism Activity In Naturally Occurring Environmental Conditions
US20070133346A1 (en) * 2005-12-14 2007-06-14 Tommy Jacobson Mixing of chemicals into a thin stock pipe
AU2007208685B2 (en) * 2006-01-26 2010-03-04 Harima Chemicals, Inc. Paper containing preaggregated filler and process for producing the same
JP4287438B2 (ja) * 2006-01-31 2009-07-01 大王製紙株式会社 薬液含有薄葉紙
EP1918456A1 (en) * 2006-10-31 2008-05-07 M-real Oyj Method of producing a fibrous web containing fillers
US20080178489A1 (en) * 2007-01-15 2008-07-31 Roger Dionne Shaver saver
US8172983B2 (en) * 2007-09-12 2012-05-08 Nalco Company Controllable filler prefloculation using a dual polymer system
DK2093261T3 (da) 2007-11-02 2013-12-02 Omya Int Ag Anvendelse af et overflade-reageret kalciumkarbonat i silkepapir, proces til at fremstille et silkepapirprodukt af forbedret blødhed, og deraf resulterende silkepapirprodukter med forbedret blødhed
US20090275699A1 (en) * 2008-05-05 2009-11-05 Mingfu Zhang Starch containing formaldehyde-free thermoset binders for fiber products
JP2012503086A (ja) * 2008-09-22 2012-02-02 ハーキュリーズ・インコーポレーテッド 紙の填料含量を高めるために使用されるコポリマーブレンド組成物
US8758567B2 (en) * 2009-06-03 2014-06-24 Hercules Incorporated Cationic wet strength resin modified pigments in barrier coating applications
US8916012B2 (en) 2010-12-28 2014-12-23 Kimberly-Clark Worldwide, Inc. Method of making substrates comprising frothed benefit agents
PT106170A (pt) * 2012-02-20 2013-08-20 Fapajal Fabrica De Papel Do Tojal S A Processo de fixação de cargas de carbonato de cálcio em papéis leves crepados (tissu) sem impacto negativo nas características do papel
US10618248B2 (en) * 2017-06-19 2020-04-14 Johns Manville Multilayer facer manufacturing system
CN115646647B (zh) * 2022-11-21 2023-03-10 太原陆森矿业机械有限公司 一种适用于湿式重介混合物的磁选机

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2216143A (en) * 1936-05-11 1940-10-01 Cons Water Power & Paper Co Process of coating paper
BE661981A (pt) * 1964-04-03
US3301746A (en) * 1964-04-13 1967-01-31 Procter & Gamble Process for forming absorbent paper by imprinting a fabric knuckle pattern thereon prior to drying and paper thereof
US3823062A (en) * 1972-02-28 1974-07-09 Int Paper Co Twin-wire papermaking employing stabilized stock flow and water filled seal(drainage)boxes
US3821068A (en) * 1972-10-17 1974-06-28 Scott Paper Co Soft,absorbent,fibrous,sheet material formed by avoiding mechanical compression of the fiber furnish until the sheet is at least 80% dry
US3974025A (en) * 1974-04-01 1976-08-10 The Procter & Gamble Company Absorbent paper having imprinted thereon a semi-twill, fabric knuckle pattern prior to final drying
GB1505641A (en) * 1974-04-19 1978-03-30 Grace W R & Co Process of preparing a filler composition for paper
US4166001A (en) * 1974-06-21 1979-08-28 Kimberly-Clark Corporation Multiple layer formation process for creped tissue
GB1497280A (en) * 1974-12-10 1978-01-05 Ass Portland Cement Agglomerating suspended particulate material in aqueous systems
US3994771A (en) * 1975-05-30 1976-11-30 The Procter & Gamble Company Process for forming a layered paper web having improved bulk, tactile impression and absorbency and paper thereof
US4308092A (en) * 1975-12-15 1981-12-29 Rohm And Haas Company Creping paper using cationic water soluble addition
US4406737A (en) * 1976-05-07 1983-09-27 Rohm And Haas Company Creping paper using cationic water soluble addition polymer
SE7708115L (sv) * 1976-07-14 1978-01-15 English Clays Lovering Pochin Forfarande for framstellning av papper eller papp
IE47019B1 (en) * 1977-07-12 1983-11-30 Blue Circle Ind Ltd Producing dispersions of polymeric material and preflocculated fillers for use in papermaking
US4191609A (en) * 1979-03-09 1980-03-04 The Procter & Gamble Company Soft absorbent imprinted paper sheet and method of manufacture thereof
US4300981A (en) * 1979-11-13 1981-11-17 The Procter & Gamble Company Layered paper having a soft and smooth velutinous surface, and method of making such paper
FR2492425A1 (fr) * 1980-10-21 1982-04-23 Gascogne Papeteries Procede de preparation par des techniques papetieres d'un materiau en feuille avec une retention sur machine amelioree, materiau en feuille ainsi obtenu et son application notamment dans le domaine de l'impression-ecriture, de l'emballage et des revetements
US4529480A (en) * 1983-08-23 1985-07-16 The Procter & Gamble Company Tissue paper
US4637859A (en) * 1983-08-23 1987-01-20 The Procter & Gamble Company Tissue paper
SE453206B (sv) * 1983-10-21 1988-01-18 Valmet Paper Machinery Inc Hygienpappersbana, forfarande for framstellning derav samt anvendning av expanderbara mikrosferer av termoplast vid framstellning av hygienpappersbana
FR2578870B1 (fr) * 1985-03-18 1988-07-29 Gascogne Papeteries Procede de preparation d'une feuille fibreuse par voie papetiere pour ameliorer la retention et en particulier l'opacite.
US4795530A (en) * 1985-11-05 1989-01-03 Kimberly-Clark Corporation Process for making soft, strong cellulosic sheet and products made thereby
GB8531558D0 (en) * 1985-12-21 1986-02-05 Wiggins Teape Group Ltd Loaded paper
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
JPH0670317B2 (ja) * 1986-02-07 1994-09-07 三菱製紙株式会社 填料内添紙の製造方法
GB8621680D0 (en) * 1986-09-09 1986-10-15 Du Pont Filler compositions
US4772332A (en) * 1987-04-21 1988-09-20 Engelhard Corporation Use of mixture of high molecular weight sulfonates as auxiliary dispersant for structured kaolins
US4927498A (en) * 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking
US5266622A (en) * 1988-05-05 1993-11-30 Bayer Aktiengesellschaft Aqueous dispersions containing a synergistic dispersant combination
SE461156B (sv) * 1988-05-25 1990-01-15 Eka Nobel Ab Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra
US4959125A (en) * 1988-12-05 1990-09-25 The Procter & Gamble Company Soft tissue paper containing noncationic surfactant
US4940513A (en) * 1988-12-05 1990-07-10 The Procter & Gamble Company Process for preparing soft tissue paper treated with noncationic surfactant
US5185206A (en) * 1988-09-16 1993-02-09 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
US4954220A (en) * 1988-09-16 1990-09-04 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
US5164046A (en) * 1989-01-19 1992-11-17 The Procter & Gamble Company Method for making soft tissue paper using polysiloxane compound
US4978396A (en) * 1989-05-12 1990-12-18 Kerr-Mcgee Chemical Corporation Process for preparing high solids slurries
US5068276A (en) * 1989-12-29 1991-11-26 E.C.C. America Inc. Chemically aggregated mineral pigments
US5164045A (en) * 1991-03-04 1992-11-17 James River Corporation Of Virginia Soft, high bulk foam-formed stratified tissue and method for making same
US5415740A (en) * 1991-04-25 1995-05-16 Betz Paperchem, Inc. Method for improving retention and drainage characteristics in alkaline papermaking
US5228954A (en) * 1991-05-28 1993-07-20 The Procter & Gamble Cellulose Company Cellulose pulps of selected morphology for improved paper strength potential
US5227023A (en) * 1991-08-26 1993-07-13 James River Corporation Of Virginia Multi-layer papers and tissues
US5221435A (en) * 1991-09-27 1993-06-22 Nalco Chemical Company Papermaking process
US5405499A (en) * 1993-06-24 1995-04-11 The Procter & Gamble Company Cellulose pulps having improved softness potential
IL113721A (en) * 1994-05-20 1999-04-11 Minerals Tech Inc Dual surface treated filler material method for its preparation and use in papermaking
JP3647909B2 (ja) * 1994-08-24 2005-05-18 リンテック株式会社 化粧用脂取り紙
JP3512481B2 (ja) * 1994-08-25 2004-03-29 泉製紙株式会社 洗浄装置付き水洗トイレ用トイレットペーパー
US5487813A (en) * 1994-12-02 1996-01-30 The Procter & Gamble Company Strong and soft creped tissue paper and process for making the same by use of biodegradable crepe facilitating compositions
US5611890A (en) * 1995-04-07 1997-03-18 The Proctor & Gamble Company Tissue paper containing a fine particulate filler

Also Published As

Publication number Publication date
DE69729561D1 (de) 2004-07-22
KR100315335B1 (ko) 2002-04-06
CA2250842A1 (en) 1997-10-09
JP2000507656A (ja) 2000-06-20
EP0891444A1 (en) 1999-01-20
AU2455097A (en) 1997-10-22
EP0891444B1 (en) 2004-06-16
ATE269442T1 (de) 2004-07-15
JP3194233B2 (ja) 2001-07-30
WO1997037081A1 (en) 1997-10-09
US5700352A (en) 1997-12-23
KR20000005242A (ko) 2000-01-25

Similar Documents

Publication Publication Date Title
BR9708427A (pt) Processo para incluir um enchimento particulado fino em papel de seda utilizando um polieletrólito aniônico
BR9708522A (pt) Processo para incluir um enchimento particulado fino em papel de seda utilizando amido
BR9712139A (pt) Processo para a fabricação de papel de seda não enrugado e liso centendo cargas em partìculas finas
PT819195E (pt) Papel absorvente contendo um enchimento de particulas finas
BR9809820A (pt) Produto de papel de seda robusto e macio de diversas camadas e processo para produzir o mesmo
MX9803640A (es) Papel de seda relleno suave con propiedades superficiales polarizadas.
HK1031134A1 (en) Tissue paper with enhanced lotion transfer
CA2226959A1 (en) Method of creping a paper
ZA9711612B (en) Soft tissue paper having a surface deposited substantive softening agent.
BR9715015A (pt) Toalha de papel macia contento cargas particuladas finas
BR9508544A (pt) Processo para fabricar folha para lenço ou toalha de papel
BR9507940A (pt) Papel de seda com loção
AU3399495A (en) Package for wet tissue paper and method of manufacturing the same
BR9206323A (pt) Recipiente biodegradável, resistente ao esmagamento, para toalhas úmidas, processo de produção de um recipiente biodegradável, loção para uso em toalhas úmidas em um recipiente biodegradável, e, toalha úmida eliminável por descarga para uso um em recipiente biodegradável
EP0930394A4 (en) VOLUMINOUS CELLULAR RAIL AND METHOD FOR THEIR PRODUCTION
DE69629031D1 (de) Seidenpapierprodukte mit verbesserter weichheit
BR9603073A (pt) Dispositivo para o tratamento de fluxo contínuo de material têxtil velos ou papel
AU4071699A (en) An absorbent member and a method for forming the same
AR013629A1 (es) Producto de papel de seda suave que tiene una o mas hojas

Legal Events

Date Code Title Description
PC Transfer

Free format text: INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY (US)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements