CA1083458A - Moulded fibrous materials - Google Patents
Moulded fibrous materialsInfo
- Publication number
- CA1083458A CA1083458A CA283,838A CA283838A CA1083458A CA 1083458 A CA1083458 A CA 1083458A CA 283838 A CA283838 A CA 283838A CA 1083458 A CA1083458 A CA 1083458A
- Authority
- CA
- Canada
- Prior art keywords
- fibrous
- fibres
- fibrous element
- core
- filter
- 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.)
- Expired
Links
- 239000002657 fibrous material Substances 0.000 title claims description 5
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000000391 smoking effect Effects 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- 244000166124 Eucalyptus globulus Species 0.000 claims description 2
- 239000005909 Kieselgur Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 abstract description 10
- 229920002301 cellulose acetate Polymers 0.000 description 5
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000157282 Aesculus Species 0.000 description 2
- 230000005250 beta ray Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000010181 horse chestnut Nutrition 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- BHMLFPOTZYRDKA-IRXDYDNUSA-N (2s)-2-[(s)-(2-iodophenoxy)-phenylmethyl]morpholine Chemical compound IC1=CC=CC=C1O[C@@H](C=1C=CC=CC=1)[C@H]1OCCNC1 BHMLFPOTZYRDKA-IRXDYDNUSA-N 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- 241000975394 Evechinus chloroticus Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 235000005018 Pinus echinata Nutrition 0.000 description 1
- 241001236219 Pinus echinata Species 0.000 description 1
- 235000017339 Pinus palustris Nutrition 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012332 laboratory investigation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2927—Rod, strand, filament or fiber including structurally defined particulate matter
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Filtering Materials (AREA)
- Paper (AREA)
- Nonwoven Fabrics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Inorganic Fibers (AREA)
- Multicomponent Fibers (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Led Device Packages (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32179/76A GB1584773A (en) | 1976-08-02 | 1976-08-02 | Moulded fibrous materials |
| GB32179/76 | 1976-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1083458A true CA1083458A (en) | 1980-08-12 |
Family
ID=10334524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA283,838A Expired CA1083458A (en) | 1976-08-02 | 1977-07-29 | Moulded fibrous materials |
Country Status (33)
Families Citing this family (54)
| 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 |
| 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 |
| US5851634A (en) * | 1992-08-11 | 1998-12-22 | E. Khashoggi Industries | Hinges for highly inorganically filled composite materials |
| US5545450A (en) * | 1992-08-11 | 1996-08-13 | E. Khashoggi Industries | Molded articles having an inorganically filled organic polymer matrix |
| US5453310A (en) * | 1992-08-11 | 1995-09-26 | E. Khashoggi Industries | Cementitious materials for use in packaging containers and their methods of manufacture |
| US5508072A (en) * | 1992-08-11 | 1996-04-16 | E. Khashoggi Industries | Sheets having a highly inorganically filled organic polymer matrix |
| US5658603A (en) * | 1992-08-11 | 1997-08-19 | E. Khashoggi Industries | Systems for molding articles having an 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 |
| 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 |
| US5783126A (en) * | 1992-08-11 | 1998-07-21 | E. Khashoggi Industries | Method for manufacturing articles having inorganically filled, starch-bound 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 |
| US5810961A (en) * | 1993-11-19 | 1998-09-22 | E. Khashoggi Industries, Llc | Methods for manufacturing molded sheets having a high starch content |
| US5830305A (en) * | 1992-08-11 | 1998-11-03 | E. Khashoggi Industries, Llc | Methods of molding articles having an 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 |
| 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 |
| US5618341A (en) * | 1992-08-11 | 1997-04-08 | E. Khashoggi Industries | Methods for uniformly dispersing fibers within starch-based compositions |
| 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 |
| 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 |
| 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 |
| US5709827A (en) * | 1992-08-11 | 1998-01-20 | E. Khashoggi Industries | Methods for manufacturing articles having a starch-bound cellular 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 |
| US6083586A (en) * | 1993-11-19 | 2000-07-04 | E. Khashoggi Industries, Llc | Sheets having a starch-based binding matrix |
| US5736209A (en) * | 1993-11-19 | 1998-04-07 | E. Kashoggi, Industries, Llc | Compositions having a high ungelatinized starch content and sheets molded therefrom |
| US5776388A (en) * | 1994-02-07 | 1998-07-07 | E. Khashoggi Industries, Llc | Methods for molding articles which include a hinged starch-bound cellular 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 |
| US6168857B1 (en) | 1996-04-09 | 2001-01-02 | E. Khashoggi Industries, Llc | Compositions and methods for manufacturing starch-based compositions |
| RU2169511C2 (ru) * | 1999-08-30 | 2001-06-27 | Марков Игорь Иванович | Сорбент для компонентов табачного дыма |
| US20030066539A1 (en) * | 2001-08-01 | 2003-04-10 | Figlar James N. | Cigarette Filter |
| US6779529B2 (en) * | 2001-08-01 | 2004-08-24 | Brown & Williamson Tobacco Corporation | 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. |
| US10375988B2 (en) | 2010-12-13 | 2019-08-13 | Altria Client Services Llc | Cigarette wrapper with novel pattern |
| US11707082B2 (en) | 2010-12-13 | 2023-07-25 | Altria Client Services Llc | Process of preparing printing solution and making patterned cigarette wrapper |
| EP2709471A4 (en) | 2011-05-16 | 2015-05-27 | Altria Client Services Inc | ALTERNATIVE PATTERNS IN CIGARETTE PAPER AND SMOKE ITEMS AND METHOD THEREFOR |
| CA2873533A1 (en) | 2012-05-16 | 2013-11-21 | Altria Client Services Inc. | Cigarette wrapper with novel pattern |
| MX2014014033A (es) | 2012-05-16 | 2015-09-25 | Altria Client Services Inc | Novedosa envoltura con bandas para cigarrillo, con bandas de area abierta. |
| 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 |
| CN109123765B (zh) * | 2017-06-16 | 2021-10-29 | 安康集团有限公司 | 烟草产品 |
| BR112020014233A2 (pt) | 2018-03-08 | 2020-12-08 | Philip Morris Products S.A. | Artigos geradores de aerossol |
| 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)
| 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-14 | 1977-10-21 | ||
| US4034765A (en) * | 1975-10-30 | 1977-07-12 | Liggett & Myers Incorporated | Tobacco smoke filter |
-
1976
- 1976-08-02 GB GB32179/76A patent/GB1584773A/en not_active Expired
-
1977
- 1977-07-19 ZA ZA00774317A patent/ZA774317B/xx unknown
- 1977-07-19 DK DK326777A patent/DK326777A/da not_active Application Discontinuation
- 1977-07-20 IE IE1516/77A patent/IE45530B1/en unknown
- 1977-07-21 DE DE2732904A patent/DE2732904C3/de not_active Expired
- 1977-07-22 IN IN1132/CAL/77A patent/IN148174B/en unknown
- 1977-07-25 NZ NZ184737A patent/NZ184737A/xx unknown
- 1977-07-27 FI FI772298A patent/FI62467C/fi not_active IP Right Cessation
- 1977-07-27 AT AT0546577A patent/AT364693B/de not_active IP Right Cessation
- 1977-07-27 AU AU27363/77A patent/AU504929B2/en not_active Expired
- 1977-07-28 CH CH932577A patent/CH618853A5/fr not_active IP Right Cessation
- 1977-07-29 IT IT26367/77A patent/IT1143750B/it active
- 1977-07-29 US US05/820,387 patent/US4149550A/en not_active Expired - Lifetime
- 1977-07-29 CA CA283,838A patent/CA1083458A/en not_active Expired
- 1977-07-30 ES ES1977230232U patent/ES230232Y/es not_active Expired
- 1977-08-01 NO NO772720A patent/NO146010C/no unknown
- 1977-08-01 CS CS775079A patent/CS201004B2/cs unknown
- 1977-08-01 PT PT66876A patent/PT66876B/pt unknown
- 1977-08-01 NL NL7708472A patent/NL7708472A/xx not_active Application Discontinuation
- 1977-08-01 HU HU77WI289A patent/HU176908B/hu unknown
- 1977-08-01 FR FR7723627A patent/FR2360269A1/fr active Granted
- 1977-08-01 BE BE179827A patent/BE857379A/xx not_active IP Right Cessation
- 1977-08-01 DD DD7700200372A patent/DD132840A5/xx unknown
- 1977-08-01 RO RO7791233A patent/RO78341A/ro unknown
- 1977-08-01 SE SE7708755A patent/SE436167B/xx not_active IP Right Cessation
- 1977-08-01 GR GR54071A patent/GR63347B/el unknown
- 1977-08-01 LU LU77882A patent/LU77882A1/xx unknown
- 1977-08-02 AR AR268657A patent/AR216771A1/es active
- 1977-08-02 TR TR19967A patent/TR19967A/xx unknown
- 1977-08-02 SU SU772508654A patent/SU849982A3/ru active
- 1977-08-02 BG BG037066A patent/BG28037A3/xx unknown
- 1977-08-02 JP JP52093297A patent/JPS599150B2/ja not_active Expired
- 1977-08-02 PL PL1977200013A patent/PL108513B1/pl unknown
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