SE436167B - Filterelement bestaende av en fibros kerna och ett fibrost ytterskikt vilket er styvare en kernan - Google Patents

Filterelement bestaende av en fibros kerna och ett fibrost ytterskikt vilket er styvare en kernan

Info

Publication number
SE436167B
SE436167B SE7708755A SE7708755A SE436167B SE 436167 B SE436167 B SE 436167B SE 7708755 A SE7708755 A SE 7708755A SE 7708755 A SE7708755 A SE 7708755A SE 436167 B SE436167 B SE 436167B
Authority
SE
Sweden
Prior art keywords
core
fibrost
fibros
stuffer
coverage
Prior art date
Application number
SE7708755A
Other languages
English (en)
Swedish (sv)
Other versions
SE7708755L (sv
Inventor
K P Green
B R Inglis
R A Allen
R W Tringham
Original Assignee
Wiggins Teape Uk Plc
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 Wiggins Teape Uk Plc filed Critical Wiggins Teape Uk Plc
Publication of SE7708755L publication Critical patent/SE7708755L/
Publication of SE436167B publication Critical patent/SE436167B/xx

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2918Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2927Rod, strand, filament or fiber including structurally defined particulate matter
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2929Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Filtering Materials (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)
  • Inorganic Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Led Device Packages (AREA)
  • Thermistors And Varistors (AREA)
  • Multicomponent Fibers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
SE7708755A 1976-08-02 1977-08-01 Filterelement bestaende av en fibros kerna och ett fibrost ytterskikt vilket er styvare en kernan SE436167B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32179/76A GB1584773A (en) 1976-08-02 1976-08-02 Moulded fibrous materials

Publications (2)

Publication Number Publication Date
SE7708755L SE7708755L (sv) 1978-02-03
SE436167B true SE436167B (sv) 1984-11-19

Family

ID=10334524

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7708755A SE436167B (sv) 1976-08-02 1977-08-01 Filterelement bestaende av en fibros kerna och ett fibrost ytterskikt vilket er styvare en kernan

Country Status (33)

Country Link
US (1) US4149550A (xx)
JP (1) JPS599150B2 (xx)
AR (1) AR216771A1 (xx)
AT (1) AT364693B (xx)
AU (1) AU504929B2 (xx)
BE (1) BE857379A (xx)
BG (1) BG28037A3 (xx)
CA (1) CA1083458A (xx)
CH (1) CH618853A5 (xx)
CS (1) CS201004B2 (xx)
DD (1) DD132840A5 (xx)
DE (1) DE2732904C3 (xx)
DK (1) DK326777A (xx)
ES (1) ES230232Y (xx)
FI (1) FI62467C (xx)
FR (1) FR2360269A1 (xx)
GB (1) GB1584773A (xx)
GR (1) GR63347B (xx)
HU (1) HU176908B (xx)
IE (1) IE45530B1 (xx)
IN (1) IN148174B (xx)
IT (1) IT1143750B (xx)
LU (1) LU77882A1 (xx)
NL (1) NL7708472A (xx)
NO (1) NO146010C (xx)
NZ (1) NZ184737A (xx)
PL (1) PL108513B1 (xx)
PT (1) PT66876B (xx)
RO (1) RO78341A (xx)
SE (1) SE436167B (xx)
SU (1) SU849982A3 (xx)
TR (1) TR19967A (xx)
ZA (1) ZA774317B (xx)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357379A (en) * 1979-03-05 1982-11-02 Eastman Kodak Company Melt blown product
JPS55135581A (en) * 1979-04-12 1980-10-22 Mitsubishi Rayon Co Plug for tobacco filter
DE3345000C2 (de) * 1983-12-13 1985-10-31 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg Ventilierte Filterzigarette mit Rillenfilter
IT1187387B (it) * 1985-11-25 1987-12-23 Gd Spa Sigaretta ventilata a gusto costante
US4985119A (en) * 1987-07-01 1991-01-15 The Procter & Gamble Cellulose Company Cellulose fiber-reinforced structure
US4907609A (en) * 1988-08-24 1990-03-13 Hercules Incorporated Method of increasing the hardness of cigarette filter elements
GB8823902D0 (en) * 1988-10-12 1988-11-16 Rothmans Int Tobacco Cigarette filter rod elements & cigarettes incorporating such filter rod elements
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
US5453310A (en) * 1992-08-11 1995-09-26 E. Khashoggi Industries Cementitious materials for use in packaging containers and their methods of manufacture
US5830305A (en) * 1992-08-11 1998-11-03 E. Khashoggi Industries, Llc Methods of molding articles having an inorganically filled organic polymer matrix
US5830548A (en) 1992-08-11 1998-11-03 E. Khashoggi Industries, Llc Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets
US5783126A (en) * 1992-08-11 1998-07-21 E. Khashoggi Industries Method for manufacturing articles having inorganically filled, starch-bound cellular matrix
US5618341A (en) * 1992-08-11 1997-04-08 E. Khashoggi Industries Methods for uniformly dispersing fibers within starch-based compositions
US5800647A (en) 1992-08-11 1998-09-01 E. Khashoggi Industries, Llc Methods for manufacturing articles from sheets having a highly inorganically filled organic polymer matrix
US5709827A (en) * 1992-08-11 1998-01-20 E. Khashoggi Industries Methods for manufacturing articles having a starch-bound cellular matrix
US5679145A (en) * 1992-08-11 1997-10-21 E. Khashoggi Industries Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix
US5658603A (en) * 1992-08-11 1997-08-19 E. Khashoggi Industries Systems for molding articles having an inorganically filled organic polymer matrix
US5928741A (en) 1992-08-11 1999-07-27 E. Khashoggi Industries, Llc Laminated articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix
US5545450A (en) * 1992-08-11 1996-08-13 E. Khashoggi Industries Molded articles having an inorganically filled organic polymer matrix
US5508072A (en) * 1992-08-11 1996-04-16 E. Khashoggi Industries Sheets having a highly inorganically filled organic polymer matrix
US5683772A (en) * 1992-08-11 1997-11-04 E. Khashoggi Industries Articles having a starch-bound cellular matrix reinforced with uniformly dispersed fibers
US5580624A (en) * 1992-08-11 1996-12-03 E. Khashoggi Industries Food and beverage containers made from inorganic aggregates and polysaccharide, protein, or synthetic organic binders, and the methods of manufacturing such containers
US5810961A (en) * 1993-11-19 1998-09-22 E. Khashoggi Industries, Llc Methods for manufacturing molded sheets having a high starch content
US5851634A (en) * 1992-08-11 1998-12-22 E. Khashoggi Industries Hinges for highly inorganically filled composite materials
US5582670A (en) 1992-08-11 1996-12-10 E. Khashoggi Industries Methods for the manufacture of sheets having a highly inorganically filled organic polymer matrix
US5660903A (en) * 1992-08-11 1997-08-26 E. Khashoggi Industries Sheets having a highly inorganically filled organic polymer matrix
US5662731A (en) * 1992-08-11 1997-09-02 E. Khashoggi Industries Compositions for manufacturing fiber-reinforced, starch-bound articles having a foamed cellular matrix
US5506046A (en) * 1992-08-11 1996-04-09 E. Khashoggi Industries Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix
US5716675A (en) * 1992-11-25 1998-02-10 E. Khashoggi Industries Methods for treating the surface of starch-based articles with glycerin
DK169728B1 (da) 1993-02-02 1995-01-23 Stein Gaasland Fremgangsmåde til frigørelse af cellulosebaserede fibre fra hinanden i vand og støbemasse til plastisk formning af celluloseholdige fiberprodukter
US5738921A (en) 1993-08-10 1998-04-14 E. Khashoggi Industries, Llc Compositions and methods for manufacturing sealable, liquid-tight containers comprising an inorganically filled matrix
US5736209A (en) * 1993-11-19 1998-04-07 E. Kashoggi, Industries, Llc Compositions having a high ungelatinized starch content and sheets molded therefrom
US6083586A (en) * 1993-11-19 2000-07-04 E. Khashoggi Industries, Llc Sheets having a starch-based binding matrix
US5843544A (en) * 1994-02-07 1998-12-01 E. Khashoggi Industries Articles which include a hinged starch-bound cellular matrix
US5705203A (en) * 1994-02-07 1998-01-06 E. Khashoggi Industries Systems for molding articles which include a hinged starch-bound cellular matrix
US5776388A (en) * 1994-02-07 1998-07-07 E. Khashoggi Industries, Llc Methods for molding articles which include a hinged starch-bound cellular matrix
US6168857B1 (en) 1996-04-09 2001-01-02 E. Khashoggi Industries, Llc Compositions and methods for manufacturing starch-based compositions
US6779529B2 (en) * 2001-08-01 2004-08-24 Brown & Williamson Tobacco Corporation Cigarette filter
US20030066539A1 (en) * 2001-08-01 2003-04-10 Figlar James N. Cigarette Filter
US7476632B2 (en) * 2002-11-15 2009-01-13 3M Innovative Properties Company Fibrous nonwoven web
US8925556B2 (en) * 2006-03-31 2015-01-06 Philip Morris Usa Inc. Banded papers, smoking articles and methods
US8701682B2 (en) * 2009-07-30 2014-04-22 Philip Morris Usa Inc. Banded paper, smoking article and method
MX2013006665A (es) 2010-12-13 2013-11-06 Altria Client Services Inc Proceso para preparar solucion de impresion y para hacer envolturas con patrones para cigarrillos.
US11707082B2 (en) 2010-12-13 2023-07-25 Altria Client Services Llc Process of preparing printing solution and making patterned cigarette wrapper
JP6091494B2 (ja) 2011-05-16 2017-03-08 アルトリア クライアント サービシーズ エルエルシー シガレット包装具の交互パターン、喫煙物品、及び方法
BR112014028567A2 (pt) 2012-05-16 2017-06-27 Altria Client Services Inc envoltório de cigarro inovador com bandas de área aberta
EP2849586A4 (en) 2012-05-16 2015-07-29 Altria Client Services Inc CIGARETTE PAPER WITH A NEW PATTERN
CA2873533A1 (en) 2012-05-16 2013-11-21 Altria Client Services Inc. Cigarette wrapper with novel pattern
CN105768210A (zh) * 2016-04-29 2016-07-20 红塔烟草(集团)有限责任公司 一种在烟支滤嘴与卷烟烟丝接合处具有填充体的卷烟
WO2018232072A1 (en) * 2017-06-16 2018-12-20 Pioneer Hi-Bred International, Inc. Insecticidal proteins from plants and methods for their use
JP7414721B2 (ja) * 2018-03-08 2024-01-16 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生物品
CN111358038B (zh) * 2020-05-12 2022-02-18 云南中烟再造烟叶有限责任公司 一种改善造纸法再造烟叶基片性能的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB501436A (en) * 1937-05-24 1939-02-24 Wallach Roger Improvements relating to yarns, threads and cords, and to textile fabrics made therefrom or incorporating them
US2688380A (en) * 1951-07-13 1954-09-07 American Viscose Corp Filter cartridge
US2849005A (en) * 1955-11-15 1958-08-26 Brown & Williamson Tobacco Emblematized cigarette filter tip
US3095343A (en) * 1960-09-15 1963-06-25 United States Filter Corp Method for treating continuous filamentary tows
US3189506A (en) * 1962-04-12 1965-06-15 Eastman Kodak Co Method and apparatus for forming continuous filament filter rods
BE637586A (xx) * 1962-09-19
GB1113070A (en) * 1964-08-27 1968-05-08 Courtaulds Ltd Filter elements
US3390039A (en) * 1964-10-09 1968-06-25 Eastman Kodak Co Method and apparatus for making additive filters
US3442739A (en) * 1965-06-02 1969-05-06 Parker Pen Co Fibrous wick
US3595245A (en) * 1968-08-14 1971-07-27 Exxon Research Engineering Co Cigarette filter from polypropylene fibers
US3740304A (en) * 1969-10-20 1973-06-19 Mitsubishi Rayon Co Synthetic thread composed of bundled split tape
JPS5246349Y2 (xx) * 1973-06-14 1977-10-21
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter

Also Published As

Publication number Publication date
HU176908B (en) 1981-05-28
LU77882A1 (xx) 1977-11-22
TR19967A (tr) 1980-06-02
DD132840A5 (de) 1978-11-15
FI62467B (fi) 1982-09-30
JPS599150B2 (ja) 1984-02-29
NO146010B (no) 1982-04-05
CH618853A5 (xx) 1980-08-29
ZA774317B (en) 1978-06-28
FR2360269B1 (xx) 1984-01-27
NZ184737A (en) 1981-01-23
US4149550A (en) 1979-04-17
DE2732904B2 (de) 1980-09-25
AT364693B (de) 1981-11-10
IT1143750B (it) 1986-10-22
GR63347B (en) 1979-10-20
IE45530B1 (en) 1982-09-22
NO146010C (no) 1982-07-14
CS201004B2 (en) 1980-10-31
ES230232U (es) 1977-12-16
NL7708472A (nl) 1978-02-06
BE857379A (fr) 1977-12-01
BG28037A3 (en) 1980-02-25
AU504929B2 (en) 1979-11-01
PL200013A1 (pl) 1978-04-10
FI772298A (xx) 1978-02-03
ATA546577A (de) 1981-04-15
FR2360269A1 (fr) 1978-03-03
ES230232Y (es) 1978-04-16
DE2732904A1 (de) 1978-02-09
DK326777A (da) 1978-02-03
SU849982A3 (ru) 1981-07-23
PT66876B (en) 1979-01-23
NO772720L (no) 1978-02-03
AU2736377A (en) 1979-02-01
AR216771A1 (es) 1980-01-31
CA1083458A (en) 1980-08-12
DE2732904C3 (de) 1981-06-04
PL108513B1 (en) 1980-04-30
IN148174B (xx) 1980-11-22
SE7708755L (sv) 1978-02-03
JPS5338699A (en) 1978-04-08
RO78341A (ro) 1982-02-26
PT66876A (en) 1977-09-01
FI62467C (fi) 1983-01-10
IE45530L (en) 1978-02-02
GB1584773A (en) 1981-02-18

Similar Documents

Publication Publication Date Title
SE436167B (sv) Filterelement bestaende av en fibros kerna och ett fibrost ytterskikt vilket er styvare en kernan
SE432178B (sv) Forfarande och anordning for framstellande av konsttobak
FI783280A (fi) Metod och medel foer beskrivning av svettkoertelns funktion
SE7808759L (sv) Mikrosferer bestaende av ett polymert material och ett fast kernmaterial
SE419659B (sv) Sett och anordning for framstellning av fibermassa av fiberformigt lignocellulosahaltigt material
FI791550A (fi) Anordning foer identifiering av foeremaol och personer
SE419385B (sv) Arrangemang for seker och kompakt forvaring av ett flertal klyvbara massor
SE437383B (sv) Anvendning av ett hoglegerat stal for framstellning av ror och rorforbindningar
SE433092B (sv) Forfarande for forvermning och patentering samt streckning av en staltrad
SE427737B (sv) Forfarande och anordning for kontinuerlig framstellning av fiberarmerad cement
SE7802648L (sv) Katod, bildning av en katod och en cell innehallande en sadan katod
SE416624B (sv) Forfarande och anordning for att profilera ett band av elastoplastiskt material
FI780288A (fi) Foerfarande och anordning foer utslaetning och riktning av band
SE7800836L (sv) Helmantelsneckcentrifug for separering av en blandning av fast emne och vetska
SE419925B (sv) Anordning for overvakning och korrektion av signaler
FI772639A (fi) Anordning foer montering och instaellning av en avboejningsspaolhaollare foer ett faergbildroer
NO150450C (no) Soeyle, saerlig leddsoeyle, hvis fundament er anordnet over et antall undervanns-broenner
SE7710437L (sv) Av skruv och plugg bestaende feste
FI812939L (fi) Drivbar vals vars boejning kan styras speciellt foer maskiner foer producering och foeraedling av pappers- eller konstmaterialbanor
FI813713L (fi) Foerfarande och anordning foer aostadkommande av taett sulten foerpackning
SE428216B (sv) Forfarande for hydrolys av kollagenhaltigt material
SE7811380L (sv) Magnetborstrulle av koppar-nickel
SE7812826L (sv) Derrivat av 6'-epi-forimicin a och b
JPS54135396A (en) Preparation of tape wound core
SE7714787L (sv) Vattenlosning av ett sterkelsederivat och forfarande for dess framstellning

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7708755-9

Effective date: 19880621

Format of ref document f/p: F