IN170335B - - Google Patents

Info

Publication number
IN170335B
IN170335B IN760/MAS/87A IN760MA1987A IN170335B IN 170335 B IN170335 B IN 170335B IN 760MA1987 A IN760MA1987 A IN 760MA1987A IN 170335 B IN170335 B IN 170335B
Authority
IN
India
Application number
IN760/MAS/87A
Other languages
English (en)
Inventor
Wilhelmus Maria Basti Cornelis
Ohta Yasuo
Sugiyama Hiroshige
Original Assignee
Dyneema Vof
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26508777&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN170335(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from NL8602745A external-priority patent/NL8602745A/nl
Priority claimed from JP19485687A external-priority patent/JPH0794565B2/ja
Application filed by Dyneema Vof filed Critical Dyneema Vof
Publication of IN170335B publication Critical patent/IN170335B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/50—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyalcohols, polyacetals or polyketals
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Artificial Filaments (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Materials For Medical Uses (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
IN760/MAS/87A 1986-10-31 1987-10-20 IN170335B (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8602745A NL8602745A (nl) 1986-10-31 1986-10-31 Werkwijze voor het vervaardigen van polyethyleenvoorwerpen met hoge treksterkte en modulus.
JP19485687A JPH0794565B2 (ja) 1987-08-04 1987-08-04 耐クリ−プ性高強力ポリエチレン成型物およびその製造方法

Publications (1)

Publication Number Publication Date
IN170335B true IN170335B (en:Method) 1992-03-14

Family

ID=26508777

Family Applications (1)

Application Number Title Priority Date Filing Date
IN760/MAS/87A IN170335B (en:Method) 1986-10-31 1987-10-20

Country Status (19)

Country Link
US (1) US5128415A (en:Method)
EP (1) EP0269151B2 (en:Method)
KR (1) KR890700177A (en:Method)
AT (1) ATE66703T1 (en:Method)
AU (1) AU603838B2 (en:Method)
BR (1) BR8707520A (en:Method)
CA (1) CA1329873C (en:Method)
DE (1) DE3772525D1 (en:Method)
DK (1) DK359988D0 (en:Method)
ES (1) ES2025633T3 (en:Method)
FI (1) FI883113L (en:Method)
GR (1) GR3003200T3 (en:Method)
IE (1) IE60694B1 (en:Method)
IL (1) IL84313A (en:Method)
IN (1) IN170335B (en:Method)
MX (1) MX168759B (en:Method)
NO (1) NO170293C (en:Method)
NZ (1) NZ222368A (en:Method)
WO (1) WO1988003184A1 (en:Method)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290141B1 (en) * 1987-05-06 1994-08-03 Mitsui Petrochemical Industries, Ltd. Molecularly oriented molded body of ultra-high-molecular-weight ethylene/alpha-olefin copolymer
JPH089804B2 (ja) * 1987-12-03 1996-01-31 三井石油化学工業株式会社 初期伸びの改善されたポリオレフィン系繊維及びその製法
AU637484B2 (en) * 1990-11-19 1993-05-27 Commonwealth Industrial Gases Limited, The Beverage dispensing system cleaning apparatus
BE1006454A3 (nl) * 1992-12-21 1994-08-30 Dsm Nv Werkwijze voor het vervaardigen van polymere voorwerpen uitgaande van een oplossing.
US5721334A (en) * 1996-02-16 1998-02-24 Newyork Society For The Ruptured And Crippled Maintaining The Hospital For Special Surgery Process for producing ultra-high molecular weight low modulus polyethylene shaped articles via controlled pressure and temperature and compositions and articles produced therefrom
EP1709385B1 (en) 2004-01-01 2008-12-24 DSMIP Assets B.V. Ballistic-resistant article
EP1896255B1 (en) 2005-06-30 2010-05-05 DSM IP Assets B.V. Ballistic-resistant article
EP1746187A1 (en) 2005-07-18 2007-01-24 DSM IP Assets B.V. Polyethylene multi-filament yarn
EP2711661B1 (en) 2006-04-26 2018-10-10 DSM IP Assets B.V. Multilayered material sheet and process for its preparation
EA013292B1 (ru) 2006-04-26 2010-04-30 ДСМ АйПи АССЕТС Б.В. Лист многослойного материала и способ его получения
EP2014445A1 (en) * 2007-07-09 2009-01-14 Teijin Aramid B.V. Polyethylene film with high tensile strength and high tensile energy to break
WO2009043597A2 (en) 2007-10-05 2009-04-09 Dsm Ip Assets B.V. Fibers of uhmwpe and a process for producing thereof
KR101647940B1 (ko) 2007-10-31 2016-08-11 디에스엠 아이피 어셋츠 비.브이. 재료 쉬트 및 그의 제조 방법
EP2205928B1 (en) 2007-11-01 2016-11-23 DSM IP Assets B.V. Material sheet and process for its preparation
KR101694552B1 (ko) 2008-04-29 2017-01-09 디에스엠 아이피 어셋츠 비.브이. 제 1 층 및 제 2 층의 스택, 패널 및 상기 스택 또는 패널을 포함하는 내탄도성 제품
JP5349585B2 (ja) * 2008-04-29 2013-11-20 ノファメーア ベスローテン フェンノートシャップ 高強度ポリエチレンフィルムを製造する方法
CA2730214A1 (en) 2008-07-10 2010-01-14 Teijin Aramid B.V. Method for manufacturing high molecular weight polyethylene fibers
US8197935B2 (en) 2008-07-17 2012-06-12 Teijin Aramid B.V. Ballistic resistant articles comprising elongate bodies
US8771569B2 (en) 2009-01-09 2014-07-08 Teijin Aramid B.V. Polyethylene film and method for the manufacture thereof
SG172884A1 (en) * 2009-01-09 2011-08-29 Teijin Aramid Bv Polyethylene film with high tensile strength and high tensile energy to break
EA201101420A1 (ru) 2009-03-31 2012-03-30 ДСМ АйПи АССЕТС Б.В. Способ и устройство для получения полимерной ленты
EP2459784B1 (en) 2009-07-27 2013-05-01 DSM IP Assets B.V. Polyolefin member and method of manufacturing by using an antifoaming agent
KR101887712B1 (ko) 2010-07-29 2018-08-10 디에스엠 아이피 어셋츠 비.브이. 방탄 제품
WO2012032082A1 (en) 2010-09-08 2012-03-15 Dsm Ip Assets B.V. Multi-ballistic-impact resistant article
US9744741B2 (en) 2010-12-14 2017-08-29 Dsm Ip Assets B.V. Material for radomes and process for making the same
EP2652190B1 (en) 2010-12-14 2016-04-27 DSM IP Assets B.V. Tape and products containing the same
US20140159988A1 (en) 2011-02-17 2014-06-12 Dsm Ip Assets B.V. Enhanced transmission-energy material and method for manufacturing the same
US9428599B2 (en) 2011-02-24 2016-08-30 Dsm Ip Assets B.V. Multistage drawing process for drawing polymeric elongated objects
NO2697414T3 (en:Method) 2011-04-13 2018-02-03
WO2013004640A1 (en) 2011-07-07 2013-01-10 Dsm Ip Assets B.V. Process for making a polymeric film
EP2756548A1 (en) 2011-09-12 2014-07-23 DSM IP Assets B.V. Composite radome wall
KR102084273B1 (ko) 2011-12-14 2020-03-03 디에스엠 아이피 어셋츠 비.브이. 초 고분자량 폴리에틸렌 멀티필라멘트 얀
WO2013092626A1 (en) 2011-12-19 2013-06-27 Dsm Ip Assets B.V. Flexible composite material and use hereof, process for making a flexible composite material
ES2662998T3 (es) 2012-02-16 2018-04-10 Dsm Ip Assets B.V. Proceso para potenciar la coloración de un artículo de UHMWPE, artículo de color y productos que contienen el artículo
PL2822756T3 (pl) 2012-03-09 2022-02-14 Dsm Ip Assets B.V. Panel kompozytowy
IN2014DN11161A (en:Method) 2012-06-11 2015-10-02 Dsm Ip Assets Bv
CN104471128B (zh) 2012-07-17 2017-06-09 帝斯曼知识产权资产管理有限公司 包含uhmwpe纤维的耐磨性产品
CN104737458A (zh) 2012-10-11 2015-06-24 帝斯曼知识产权资产管理有限公司 无线电力传送系统
EP2906902B1 (en) 2012-10-12 2018-08-01 DSM IP Assets B.V. Composite antiballistic radome walls
JP6432746B2 (ja) 2013-07-02 2018-12-05 ディーエスエム アイピー アセッツ ビー．ブイ．Ｄｓｍ Ｉｐ Ａｓｓｅｔｓ Ｂ．Ｖ． 複合防弾レドーム壁およびその製造方法
MX2016007435A (es) 2013-12-10 2016-10-03 Dsm Ip Assets Bv Cadena que comprende eslabones polimericos y un espaciador.
JP6690834B2 (ja) 2014-05-06 2020-04-28 ディーエスエム アイピー アセッツ ビー．ブイ．Ｄｓｍ Ｉｐ Ａｓｓｅｔｓ Ｂ．Ｖ． 人工弁および人工弁の製造方法
EP3139861B1 (en) 2014-05-06 2020-05-27 DSM IP Assets B.V. Method of making a prosthetic valve and valve obtained therewith
LT3164549T (lt) 2014-07-01 2020-12-28 Dsm Ip Assets B.V. Struktūros, apimančios ultraaukšto molekulinio svorio polietileno pluoštus
WO2016113637A2 (en) 2015-01-09 2016-07-21 Dsm Ip Assets B.V. Lightweight laminates and plate-carrier vests and other articles of manufacture therefrom
WO2016059261A2 (en) 2015-03-02 2016-04-21 Dsm Ip Assets B.V. Low slip splice
US20180044852A1 (en) 2015-03-26 2018-02-15 Dsm Ip Assets B.V. Systems and methods for the transfer of color and other physical properties to fibers, braids, laminate composite materials, and other articles
US10870930B2 (en) 2015-05-28 2020-12-22 Dsm Ip Assets B.V. Hybrid chain link
JP2018523060A (ja) 2015-05-28 2018-08-16 ディーエスエム アイピー アセッツ ビー．ブイ． ポリマーチェーンリンク
JP6728553B2 (ja) 2015-05-28 2020-07-22 ディーエスエム アイピー アセッツ ビー．ブイ．Ｄｓｍ Ｉｐ Ａｓｓｅｔｓ Ｂ．Ｖ． ハイブリッド鎖環
AU2016321893B2 (en) 2015-09-18 2020-09-17 Avient Protective Materials B.V. Preformed sheet and ballistic-resistant article
KR102783284B1 (ko) 2015-10-09 2025-03-17 아비엔트 프로텍티브 머티리얼스 비.브이. 복합성 긴 몸체
CN108137827A (zh) 2015-10-09 2018-06-08 帝斯曼知识产权资产管理有限公司 高性能纤维复合片材
CN108431309B (zh) 2015-12-15 2021-02-05 帝斯曼知识产权资产管理有限公司 低蠕变纤维
EP3202702A1 (en) 2016-02-02 2017-08-09 DSM IP Assets B.V. Method for bending a tension element over a pulley
WO2018002229A1 (en) 2016-07-01 2018-01-04 Dsm Ip Assets B.V. Multilayer hybrid composite
WO2018114266A1 (en) 2016-12-21 2018-06-28 Dsm Ip Assets B.V. Ballistic-resistant assembly
JP2020515434A (ja) 2017-04-03 2020-05-28 ディーエスエム アイピー アセッツ ビー．ブイ．Ｄｓｍ Ｉｐ Ａｓｓｅｔｓ Ｂ．Ｖ． 高性能繊維ハイブリッドシート
JP7372004B2 (ja) 2017-04-03 2023-10-31 アビエント プロテクティブ マテリアルズ ビー． ブイ． 切断抵抗性である充填された長尺体
WO2018184821A1 (en) 2017-04-06 2018-10-11 Dsm Ip Assets B.V. High performance fibers composite sheet
WO2019012130A1 (en) 2017-07-14 2019-01-17 Dsm Ip Assets B.V. WIRE FILLED HOMOGENEOUSLY
CN115595694A (zh) 2017-07-14 2023-01-13 帝斯曼知识产权资产管理有限公司（Nl） 均匀的经填充的纱线
US11999837B2 (en) 2018-04-13 2024-06-04 Dsm Ip Assets B.V. Modified porous polyolefin film and method of making
ES2945213T3 (es) 2019-03-01 2023-06-29 Dsm Ip Assets Bv Método de fabricación de un biotextil compuesto y un implante médico que comprende dicho biotextil compuesto
CN113518633B (zh) 2019-03-01 2022-11-18 帝斯曼知识产权资产管理有限公司 包含复合生物纺织品的医学植入物组件和制造方法
CN114096629B (zh) 2019-07-08 2023-12-15 帝斯曼知识产权资产管理有限公司 牢固且可拉伸的接缝胶带
CN114616365B (zh) 2019-11-04 2024-08-20 埃万特防护材料有限公司 经聚合物填充的聚烯烃纤维
US20230310718A1 (en) 2020-09-01 2023-10-05 Dsm Ip Assets B.V. A polyurethane composite sheet, a method of making such composite sheet, and use thereof in making a medical implant
KR20240053640A (ko) 2021-09-07 2024-04-24 아비엔트 프로텍티브 머티리얼스 비.브이. 복합 연장체
IL313080A (en) 2021-12-13 2024-07-01 Dsm Ip Assets Bv Composite sheets and medical implants comprising such sheets

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177759B (nl) * 1979-06-27 1985-06-17 Stamicarbon Werkwijze ter vervaardiging van een polyetheendraad, en de aldus verkregen polyetheendraad.
NL8104728A (nl) * 1981-10-17 1983-05-16 Stamicarbon Werkwijze voor het vervaardigen van polyetheen filamenten met grote treksterkte.
US4551296A (en) * 1982-03-19 1985-11-05 Allied Corporation Producing high tenacity, high modulus crystalline article such as fiber or film
US4536536A (en) * 1982-03-19 1985-08-20 Allied Corporation High tenacity, high modulus polyethylene and polypropylene fibers and intermediates therefore
US4455273A (en) * 1982-09-30 1984-06-19 Allied Corporation Producing modified high performance polyolefin fiber
JPS60101032A (ja) * 1983-11-08 1985-06-05 Toyobo Co Ltd 高強力高弾性率結晶性重合体延伸物の製造方法
IN164745B (en:Method) * 1984-05-11 1989-05-20 Stamicarbon
NL8402964A (nl) * 1984-09-28 1986-04-16 Stamicarbon Werkwijze voor het bereiden van polyalkeenfilms met hoge treksterkte en hoge modulus.
NL8500429A (nl) * 1984-09-28 1986-04-16 Stamicarbon Werkwijze voor het bereiden van hoogverstrekbare polymere gelvoorwerpen.

Also Published As

Publication number Publication date
EP0269151B2 (en) 1996-06-26
NO170293C (no) 1992-09-30
IE872919L (en) 1988-04-30
EP0269151B1 (en) 1991-08-28
NO882932D0 (no) 1988-06-30
DE3772525D1 (de) 1991-10-02
DK359988A (da) 1988-06-29
ES2025633T3 (es) 1992-04-01
AU603838B2 (en) 1990-11-29
FI883113A0 (fi) 1988-06-29
WO1988003184A1 (en) 1988-05-05
NO170293B (no) 1992-06-22
FI883113A7 (fi) 1988-06-29
NO882932L (no) 1988-06-30
FI883113L (fi) 1988-06-29
ATE66703T1 (de) 1991-09-15
US5128415A (en) 1992-07-07
EP0269151A1 (en) 1988-06-01
DK359988D0 (da) 1988-06-29
NZ222368A (en) 1990-09-26
IL84313A (en) 1991-03-10
KR890700177A (ko) 1989-03-10
AU8106787A (en) 1988-05-25
GR3003200T3 (en) 1993-02-17
IE60694B1 (en) 1994-08-10
MX168759B (es) 1993-06-07
CA1329873C (en) 1994-05-31
BR8707520A (pt) 1989-02-21

Similar Documents

Publication Publication Date Title
GR3007913T3 (en:Method)
IN170335B (en:Method)
IN170394B (en:Method)
DE3790438T1 (en:Method)
IN169344B (en:Method)
GR3006778T3 (en:Method)
DE3790370T (en:Method)
IN169207B (en:Method)
IN168385B (en:Method)
IN168865B (en:Method)
DE3690688T1 (en:Method)
AU4946385A (en:Method)
AU5614486A (en:Method)
AU5940986A (en:Method)
AU5857886A (en:Method)
AU5442686A (en:Method)
AU5480786A (en:Method)
BE905088A (en:Method)
AU5348186A (en:Method)
AU5558386A (en:Method)
AU5344086A (en:Method)
AU5329886A (en:Method)
AU5227086A (en:Method)
AU5173485A (en:Method)
AU5982886A (en:Method)