FR2416928B1 - - Google Patents

Info

Publication number
FR2416928B1
FR2416928B1 FR7903069A FR7903069A FR2416928B1 FR 2416928 B1 FR2416928 B1 FR 2416928B1 FR 7903069 A FR7903069 A FR 7903069A FR 7903069 A FR7903069 A FR 7903069A FR 2416928 B1 FR2416928 B1 FR 2416928B1
Authority
FR
France
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.)
Expired
Application number
FR7903069A
Other languages
French (fr)
Other versions
FR2416928A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2416928A1 publication Critical patent/FR2416928A1/fr
Application granted granted Critical
Publication of FR2416928B1 publication Critical patent/FR2416928B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385—Acrylic polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
    • Y10T428/2887—Adhesive compositions including addition polymer from unsaturated monomer including nitrogen containing polymer [e.g., polyacrylonitrile, polymethacrylonitrile, 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
    • Y10T428/2891—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31884—Regenerated or modified cellulose
    • Y10T428/31891—Where addition polymer is an ester or halide
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Adhesive Tapes (AREA)
FR7903069A 1978-02-08 1979-02-07 Amino-acides carboxyliques a fonction acrylique et leurs derives utiles comme composants d'adhesifs autocollants Granted FR2416928A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/875,988 US4157418A (en) 1978-02-08 1978-02-08 Acrylic functional aminocarboxylic acids and derivatives as components of pressure sensitive adhesives

Publications (2)

Publication Number Publication Date
FR2416928A1 FR2416928A1 (fr) 1979-09-07
FR2416928B1 true FR2416928B1 (en:Method) 1984-06-15

Family

ID=25366723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903069A Granted FR2416928A1 (fr) 1978-02-08 1979-02-07 Amino-acides carboxyliques a fonction acrylique et leurs derives utiles comme composants d'adhesifs autocollants

Country Status (9)

Country Link
US (1) US4157418A (en:Method)
JP (1) JPS54120643A (en:Method)
AU (1) AU528735B2 (en:Method)
BR (1) BR7900748A (en:Method)
CA (1) CA1147496A (en:Method)
DE (1) DE2905049A1 (en:Method)
FR (1) FR2416928A1 (en:Method)
GB (1) GB2014163B (en:Method)
IT (1) IT1114494B (en:Method)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
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US4251597A (en) * 1978-12-01 1981-02-17 Rohm And Haas Company Coating, impregnating and adhesive compositions curable at ambient temperature, and methods of using them
US4303563A (en) * 1977-12-29 1981-12-01 Emmons William D Coating, impregnating and adhesive compositions curable at ambient temperature
US4378411A (en) * 1980-01-02 1983-03-29 Minnesota Mining And Manufacturing Company Radiation-curable polymers
US4304705A (en) * 1980-01-02 1981-12-08 Minnesota Mining And Manufacturing Company Radiation-curable polymers containing pendant unsaturated peptide groups derived from azlactone polymers
US4248748A (en) * 1980-02-04 1981-02-03 Minnesota Mining And Manufacturing Company Heat-activated adhesive
US4288523A (en) * 1980-03-14 1981-09-08 Polaroid Corporation Diffusion control layers in diffusion transfer photographic products
US4436377A (en) 1980-11-06 1984-03-13 Morgan Adhesives Company Transmissive reflector including nacreous, pressure sensitive adhesive layer
JPS58500461A (ja) * 1981-03-02 1983-03-24 ポラロイド　コ−ポレ−シヨン 分裂可能な重合体並びにこれを使用する写真製品および方法
US4554324A (en) * 1982-09-16 1985-11-19 Minnesota Mining And Manufacturing Co. Acrylate copolymer pressure-sensitive adhesive composition and sheet materials coated therewith
US5057366A (en) * 1982-09-16 1991-10-15 Minnesota Mining And Manufacturing Company Acrylate copolymer pressure-sensitive adhesive coated sheet material
US4652622A (en) * 1983-04-29 1987-03-24 Bausch & Lomb Incorporated Polysiloxane composition with improved surface wetting characteristics and biomedical devices made thereof
US4699843A (en) * 1983-06-14 1987-10-13 Minnesota Mining And Manufacturing Company Azlactone-containing pressure-sensitive adhesives
US4619867A (en) * 1983-06-14 1986-10-28 Minnesota Mining And Manufacturing Company Azlactone-containing pressure-sensitive adhesives
JPS60106804A (ja) * 1983-11-15 1985-06-12 Nitto Boseki Co Ltd ポリアリルアミンから誘導される新規な機能性樹脂
US4713244A (en) * 1985-08-16 1987-12-15 Bausch & Lomb Incorporated Sustained-release formulation containing an amino acid polymer with a lower alkyl (C1 -C4) polar solvent
US4668506A (en) * 1985-08-16 1987-05-26 Bausch & Lomb Incorporated Sustained-release formulation containing and amino acid polymer
USRE32952E (en) * 1986-05-19 1989-06-13 Minnesota Mining And Manufacturing Company Method of preparing N-acryloyl-α-amino acids
US4694103A (en) * 1986-05-19 1987-09-15 Minnesota Mining And Manufacturing Company Method of preparing N-acryloyl-α-amino acids
US5336742A (en) * 1987-03-13 1994-08-09 Minnesota Mining And Manufacturing Company Polymeric supports
US4871824A (en) * 1987-03-13 1989-10-03 Minnesota Mining And Manufacturing Company Variably crosslinked polymeric supports
US5292840A (en) * 1987-03-13 1994-03-08 Minnesota Mining And Manufacturing Company Polymeric supports
US4737560A (en) * 1987-03-13 1988-04-12 Minnesota Mining And Manufacturing Company Polymer beads
US20020042377A1 (en) * 1995-06-07 2002-04-11 Steiner Joseph P. Rotamase enzyme activity inhibitors
US7056935B2 (en) * 1995-06-07 2006-06-06 Gpi Nil Holdings, Inc. Rotamase enzyme activity inhibitors
US5639539A (en) * 1995-11-29 1997-06-17 Imperial Wallcoverings Wall covering
US6299905B1 (en) 1996-04-16 2001-10-09 Depuy Orthopaedics, Inc. Bioerodable polymeric adhesives for tissue repair
US5733868A (en) * 1996-04-16 1998-03-31 Depuy Orthopaedics, Inc. Poly(amino acid) adhesive tissue grafts
US5856418A (en) * 1996-04-16 1999-01-05 Nippon Shokubai Co., Ltd. Water-soluble monomer, water-soluble polymer and their production process and use
DE60140133D1 (de) * 2000-08-21 2009-11-19 Nat Inst Of Advanced Ind Scien Polymere
US7098253B2 (en) 2004-05-20 2006-08-29 3M Innovative Properties Company Macroporous ion exchange resins
US7687549B2 (en) * 2004-07-01 2010-03-30 Cargill, Incorporated Carboxylic acid compounds and polyester oligomers and polymers made therefrom
AT501700B1 (de) * 2005-04-14 2011-03-15 Univ Wien Tech Mit strahlung härtbare, biologisch abbaubare zusammensetzungen und deren verwendung als stützmaterialien für den knochenersatz
US7683100B2 (en) * 2005-12-21 2010-03-23 3M Innovative Properties Company Method of making macroporous cation exchange resins
US7674835B2 (en) 2005-12-21 2010-03-09 3M Innovative Properties Company Method of making macroporous anion exchange resins
US20070154651A1 (en) * 2005-12-30 2007-07-05 3M Innovative Properties Company Method of making functionalized substrates
US7674836B2 (en) * 2006-07-28 2010-03-09 3M Innovative Properties Company Method of making macroporous cation exchange resins
US7939578B2 (en) * 2007-02-23 2011-05-10 3M Innovative Properties Company Polymeric fibers and methods of making
US20080248212A1 (en) * 2007-04-05 2008-10-09 3M Innovative Properties Company Methods of making functionalized fluoropolymer films
US20080286332A1 (en) * 2007-05-14 2008-11-20 Pacetti Stephen D Implantable medical devices with a topcoat layer of phosphoryl choline acrylate polymer for reduced thrombosis, and improved mechanical properties
US8513322B2 (en) * 2007-05-31 2013-08-20 3M Innovative Properties Company Polymeric beads and methods of making polymeric beads
US20090098359A1 (en) 2007-10-11 2009-04-16 Waller Jr Clinton P Hydrophilic porous substrates
WO2009061759A1 (en) 2007-11-09 2009-05-14 3M Innovative Properties Company Porous polymeric resins
TW200934449A (en) * 2007-12-12 2009-08-16 3M Innovative Properties Co Hydrophilic gel materials and methods of making
WO2009076270A2 (en) * 2007-12-12 2009-06-18 3M Innovative Properties Company Microstructured antimicrobial film
KR20100111681A (ko) 2007-12-19 2010-10-15 쓰리엠 이노베이티브 프로퍼티즈 컴파니 정밀-성형된 다공성 입자
WO2009148869A1 (en) 2008-05-30 2009-12-10 3M Innovative Properties Company Method of making ligand functionalized substrates
CN102105213B (zh) 2008-05-30 2013-12-18 3M创新有限公司 配体官能化基底
EP2296807B1 (en) 2008-06-26 2020-09-16 3M Innovative Properties Company Solid support with a grafted chain
EP2303438B1 (en) * 2008-06-30 2020-06-03 3M Innovative Properties Company Method of forming a rewettable asymmetric membrane
US9393529B2 (en) * 2008-06-30 2016-07-19 3M Innovative Properties Company Method of forming a hydrophilic membrane
EP2303437B1 (en) * 2008-06-30 2020-06-10 3M Innovative Properties Company Method of forming an asymmetric membrane
EP3255085B1 (en) * 2008-09-19 2020-06-10 3M Innovative Properties Co. Ligand graft functionalized substrates
US20100210160A1 (en) 2009-02-18 2010-08-19 3M Innovative Properties Company Hydrophilic porous substrates
WO2010151447A1 (en) 2009-06-23 2010-12-29 3M Innovative Properties Company Functionalized nonwoven article
US8377672B2 (en) 2010-02-18 2013-02-19 3M Innovative Properties Company Ligand functionalized polymers
EP2889625B1 (en) * 2010-03-03 2016-09-14 3M Innovative Properties Company Ligand guanidinyl functionalized polymers
WO2011163070A1 (en) 2010-06-25 2011-12-29 3M Innovative Properties Company Semi-interpenetrating polymer network
CN102958584B (zh) 2010-06-30 2015-10-21 3M创新有限公司 具有吸水过滤器组件的滤板制品
US8906645B2 (en) 2010-12-29 2014-12-09 3M Innovative Properties Company Microbial detection article having a water-absorbent filter assembly
US9272246B2 (en) 2011-03-28 2016-03-01 3M Innovative Properties Company Ligand functional substrates
JP6046719B2 (ja) 2011-08-17 2016-12-21 スリーエム イノベイティブ プロパティズ カンパニー 吸水性繊維含有の疎水性接着剤
EP2744527B1 (en) 2011-08-17 2019-04-17 3M Innovative Properties Company Wound dressing with hydrophilic monomer-grafted fibers
US9616394B2 (en) 2012-06-05 2017-04-11 3M Innovative Properties Company Graft copolymer functionalized article
JP2016503486A (ja) 2012-09-27 2016-02-04 スリーエム イノベイティブ プロパティズ カンパニー リガンドグラフト化基材
US10011671B2 (en) 2013-08-26 2018-07-03 Japan Science And Technology Agency Adhesive
CN105593276B (zh) 2013-10-03 2020-03-27 3M创新有限公司 具有增强的结合容量的配体官能化基材
AU2016233336B2 (en) 2015-03-16 2019-08-29 3M Innovative Properties Company Coalescing elements in copper production
JP7024532B2 (ja) * 2018-03-19 2022-02-24 株式会社リコー 組成物、硬化物、収容容器、像形成装置、及び像形成方法
US11059985B2 (en) * 2018-07-30 2021-07-13 Ricoh Company, Ltd. Composition, cured product, storage container, image forming apparatus, and image forming method
CN114096514B (zh) * 2020-06-16 2025-06-17 强生视力健公司 基于氨基酸的可聚合化合物以及由其制备的眼科装置
WO2023248020A1 (en) 2022-06-23 2023-12-28 3M Innovative Properties Company Block copolymers grafted to porous polymeric substrate
CN116178624B (zh) * 2023-01-03 2024-06-25 万华化学集团股份有限公司 一种异氰酸酯稳定剂、异氰酸酯组合物、聚氨酯树脂

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US2884126A (en) * 1955-11-18 1959-04-28 Minnesota Mining & Mfg Pressure-sensitive adhesive sheet material
US2976204A (en) * 1957-09-06 1961-03-21 Rohm & Haas Adhesive compositions, methods of employing them, and laminated structures made therefrom
US3284423A (en) * 1963-12-20 1966-11-08 Monsanto Co Pressure-sensitive creep-resistant resin composition
US3558374A (en) * 1968-01-15 1971-01-26 Ibm Polycrystalline film having controlled grain size and method of making same
US3558574A (en) * 1968-12-09 1971-01-26 Johnson & Johnson Acrylated adhesive products
DE2015677C3 (de) * 1969-04-02 1981-08-13 Johnson & Johnson, 08903 New Brunswick, N.J. Selbstklebendes Material
FR2064707A5 (en) * 1969-10-21 1971-07-23 Johnson & Johnson Acrylate copolymer adhesives for medical - dressings with increased adhesion to skin
US3735003A (en) * 1969-12-15 1973-05-22 Aerosol hair setting composition com- prising an interpolymer of an n-j-oxo- alkylamide and a,/j-unsaturated ali- phatic acid
US3790520A (en) * 1970-04-01 1974-02-05 Goodrich Co B F Acrylate polymer latex compositions with aliphatic glycols and/or aliphatic glycol ethers

Also Published As

Publication number Publication date
BR7900748A (pt) 1979-08-28
CA1147496A (en) 1983-05-31
IT7947923A0 (it) 1979-02-07
GB2014163A (en) 1979-08-22
US4157418A (en) 1979-06-05
AU528735B2 (en) 1983-05-12
DE2905049C2 (en:Method) 1988-09-29
GB2014163B (en) 1982-10-06
AU4402779A (en) 1979-08-16
JPS6341952B2 (en:Method) 1988-08-19
DE2905049A1 (de) 1979-08-30
JPS54120643A (en) 1979-09-19
IT1114494B (it) 1986-01-27
FR2416928A1 (fr) 1979-09-07

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