KR20230121848A - 연속 섬유로 제조되고 열가소성 중합체로 함침되는섬유성 물질을 제조하기 위한 방법 - Google Patents

연속 섬유로 제조되고 열가소성 중합체로 함침되는섬유성 물질을 제조하기 위한 방법 Download PDF

Info

Publication number
KR20230121848A
KR20230121848A KR1020237024160A KR20237024160A KR20230121848A KR 20230121848 A KR20230121848 A KR 20230121848A KR 1020237024160 A KR1020237024160 A KR 1020237024160A KR 20237024160 A KR20237024160 A KR 20237024160A KR 20230121848 A KR20230121848 A KR 20230121848A
Authority
KR
South Korea
Prior art keywords
fibrous material
impregnation
thermoplastic polymer
tensioning devices
heating
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.)
Pending
Application number
KR1020237024160A
Other languages
English (en)
Korean (ko)
Inventor
티보 사바르
아서 바부
악셀 살리니에르
Original Assignee
아르끄마 프랑스
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 아르끄마 프랑스 filed Critical 아르끄마 프랑스
Publication of KR20230121848A publication Critical patent/KR20230121848A/ko
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B29B15/10—Coating or impregnating independently of the moulding or shaping step
    • B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0244—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using fluidised bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/386—Automated tape laying [ATL]
    • B29C70/388—Tape placement heads, e.g. component parts, details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/525—Component parts, details or accessories; Auxiliary operations
    • B29C70/527—Pulling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/525—Component parts, details or accessories; Auxiliary operations
    • B29C70/528—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/56—Tensioning reinforcements before or during shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2233/00—Use of polymers of unsaturated acids or derivatives thereof, as reinforcement
    • B29K2233/04—Polymers of esters
    • B29K2233/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2271/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2277/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2279/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain not provided for in groups B29K2261/00 - B29K2277/00, as reinforcement
    • B29K2279/08—PI, i.e. polyimides or derivatives thereof
    • B29K2279/085—Thermoplastic polyimides, e.g. polyesterimides, PEI, i.e. polyetherimides, or polyamideimides; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2281/00—Use of polymers having sulfur, with or without nitrogen, oxygen or carbon only, in the main chain, as reinforcement
    • B29K2281/04—Polysulfides, e.g. PPS, i.e. polyphenylene sulfide, or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2307/00—Use of elements other than metals as reinforcement
    • B29K2307/04—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2507/00—Use of elements other than metals as filler
    • B29K2507/04—Carbon

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Robotics (AREA)
  • Reinforced Plastic Materials (AREA)
KR1020237024160A 2020-12-17 2021-12-15 연속 섬유로 제조되고 열가소성 중합체로 함침되는섬유성 물질을 제조하기 위한 방법 Pending KR20230121848A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR2013435A FR3117913B1 (fr) 2020-12-17 2020-12-17 Procédé de fabrication d’un matériau fibreux en fibres continues imprégné de polymère thermoplastique
FRFR2013435 2020-12-17
PCT/FR2021/052332 WO2022129781A1 (fr) 2020-12-17 2021-12-15 Procédé de fabrication d'un matériau fibreux en fibres continues imprégné de polymère thermoplastique

Publications (1)

Publication Number Publication Date
KR20230121848A true KR20230121848A (ko) 2023-08-21

Family

ID=74592230

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237024160A Pending KR20230121848A (ko) 2020-12-17 2021-12-15 연속 섬유로 제조되고 열가소성 중합체로 함침되는섬유성 물질을 제조하기 위한 방법

Country Status (7)

Country Link
US (1) US20240051240A1 (https=)
EP (1) EP4263167B1 (https=)
JP (1) JP2023554435A (https=)
KR (1) KR20230121848A (https=)
CN (1) CN116600963A (https=)
FR (1) FR3117913B1 (https=)
WO (1) WO2022129781A1 (https=)

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5895622A (en) * 1997-04-07 1999-04-20 Purdue Research Foundation Method and apparatus for composite manufacture
WO2001051265A1 (fr) * 2000-01-12 2001-07-19 Toray Industries, Inc. Procede et dispositif de production pour faisceau de fibres ouvert et procede de fabrication de preimpregne
JP2001262443A (ja) * 2000-01-12 2001-09-26 Toray Ind Inc 繊維束の開繊装置及び開繊方法並びにプリプレグの製造方法
JP2002187127A (ja) * 2000-12-19 2002-07-02 Toray Ind Inc 長繊維ペレットの製造方法および製造装置
JP4174293B2 (ja) * 2002-10-28 2008-10-29 松下電工株式会社 基材への含浸方法
FR2858626B1 (fr) 2003-08-05 2005-10-07 Atofina Polyamides semi aromatiques souple a faible reprise en humidite
JP5326170B2 (ja) * 2009-05-25 2013-10-30 福井県 繊維束の開繊方法及び開繊糸シート並びに繊維補強シートの製造方法
FR2975939B1 (fr) * 2011-06-01 2014-05-09 Hexcel Reinforcements Ruban voile presentant une resistance au delaminage amelioree
US9624350B2 (en) 2011-12-09 2017-04-18 Ticona Llc Asymmetric fiber reinforced polymer tape
FR3017329B1 (fr) 2014-02-13 2016-07-29 Arkema France Procede de fabrication d'un materiau fibreux pre-impregne de polymere thermoplastique en lit fluidise
JP2015166417A (ja) * 2014-03-03 2015-09-24 三菱レイヨン株式会社 熱可塑性プリプレグの製造方法
JP6423303B2 (ja) * 2014-07-16 2018-11-14 株式会社神戸製鋼所 繊維強化熱可塑性樹脂テープの製造装置及び製造方法
JP6718101B2 (ja) * 2015-08-04 2020-07-08 福井県 繊維強化樹脂シート材の製造方法
FR3061066B1 (fr) * 2016-12-22 2020-02-14 Arkema France Procede de fabrication d'un materiau fibreux pre-impregne de polymere thermoplastique en lit fluidise
FR3061068B1 (fr) * 2016-12-22 2020-02-14 Arkema France Procede de fabrication d'un materiau fibreux pre-impregne de polymere thermoplastique sous forme de poudre
FR3061067B1 (fr) 2016-12-22 2020-02-14 Arkema France Procede de fabrication d'un materiau fibreux pre-impregne de polymere thermoplastique par projection
WO2018229114A1 (fr) 2017-06-14 2018-12-20 Arkema France Procédé de fabrication d'une pièce en matériau composite a partir de prépolymères
FR3067961B1 (fr) 2017-06-22 2020-11-06 Arkema France Procede de fabrication d'un materiau fibreux impregne de polymere thermoplastique
FR3067968B1 (fr) 2017-06-22 2020-11-06 Arkema France Materiau fibreux impregne de polymere thermoplastique
US11377528B2 (en) * 2018-01-26 2022-07-05 Toray Industries, Inc. Reinforcing fiber mat, and fiber-reinforced resin forming material and method of producing same
CN108503865B (zh) * 2018-05-09 2020-06-12 东华大学 一种碳纤维增强尼龙复合材料的制备方法

Also Published As

Publication number Publication date
US20240051240A1 (en) 2024-02-15
FR3117913A1 (fr) 2022-06-24
EP4263167B1 (fr) 2025-03-19
EP4263167A1 (fr) 2023-10-25
JP2023554435A (ja) 2023-12-27
WO2022129781A1 (fr) 2022-06-23
CN116600963A (zh) 2023-08-15
FR3117913B1 (fr) 2023-07-14

Similar Documents

Publication Publication Date Title
JP7466512B2 (ja) 熱可塑性プレポリマーを含浸させた繊維材料
JP7041693B2 (ja) 熱可塑性ポリマーが含浸した繊維材料を製造する方法
CN111032302B (zh) 用热塑性聚合物浸渍的纤维质材料的制造方法
JP2022031656A (ja) 熱可塑性ポリマーで予備含浸された繊維状材料を製造するための流動床方法
JP2020524615A5 (https=)
KR102330131B1 (ko) 반응성 열가소성 예비중합체로 함침된 섬유 재료
JP7591927B2 (ja) １００μｍ以下の厚さを有する熱可塑性ポリマーを含侵した繊維材料、およびその生産方法
KR20230145233A (ko) 분말 형태의 열가소성 폴리머로 예비 함침된 섬유성 재료를 제조하기 위한 방법
CN110087847A (zh) 通过喷射用粉末形式的热塑性聚合物预浸渍的纤维材料的制造方法
US12173129B2 (en) Fibrous material impregnated with thermoplastic polymer of optimum molecular mass and viscosity and method for the production thereof
JP7716398B2 (ja) 微粒子を補給し洗浄するための最適化システムを用いて繊維状材料に含浸させる方法
JP7598856B2 (ja) 相互貫入流動床中で繊維状材料に含浸させる方法
JP7474258B2 (ja) 熱可塑性ポリマーが含浸した繊維材料を製造する方法
KR20230121848A (ko) 연속 섬유로 제조되고 열가소성 중합체로 함침되는섬유성 물질을 제조하기 위한 방법
JP2022512441A (ja) 流動床内で熱可塑性ポリマーを予備含浸させた繊維材料を製造する方法

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

A201 Request for examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R18 Changes to party contact information recorded

Free format text: ST27 STATUS EVENT CODE: A-3-3-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000