NO841332L - Tobakkfilter - Google Patents

Tobakkfilter

Info

Publication number: NO841332L
Authority: NO; Norway
Prior art keywords: water; filter according; blue; tobacco; phthalocyanine compound
Prior art date: 1983-04-05

Application number

NO841332A

Other languages

English (en)

Norwegian (no)

Inventor

Isao Ohizumi

Hiroshi Okayasu

Original Assignee

Sumitomo Chemical 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.)

1983-04-05

Filing date

1984-04-04

Publication date

1984-10-08

1983-04-05 Priority claimed from JP6048783A external-priority patent/JPS59183684A/ja

1983-04-05 Priority claimed from JP6048883A external-priority patent/JPS59183685A/ja

1984-04-04 Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co

1984-10-08 Publication of NO841332L publication Critical patent/NO841332L/no

Links

241000208125 Nicotiana Species 0.000 title claims description 26
235000002637 Nicotiana tabacum Nutrition 0.000 title claims description 26
239000000463 material Substances 0.000 claims description 35
-1 phthalocyanine compound Chemical class 0.000 claims description 28
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
239000000985 reactive dye Substances 0.000 claims description 20
239000000126 substance Substances 0.000 claims description 11
230000000391 smoking effect Effects 0.000 claims description 7
239000011358 absorbing material Substances 0.000 claims description 6
150000001875 compounds Chemical class 0.000 claims description 5
235000019504 cigarettes Nutrition 0.000 claims description 4
229920000642 polymer Polymers 0.000 claims description 4
239000002250 absorbent Substances 0.000 claims description 3
230000002745 absorbent Effects 0.000 claims description 3
229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
125000003277 amino group Chemical group 0.000 claims 1
125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
239000005518 polymer electrolyte Substances 0.000 claims 1
229920000742 Cotton Polymers 0.000 description 17
239000000975 dye Substances 0.000 description 17
239000000049 pigment Substances 0.000 description 10
IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 9
239000000779 smoke Substances 0.000 description 8
241000083869 Polyommatus dorylas Species 0.000 description 7
238000000034 method Methods 0.000 description 7
YXZRCLVVNRLPTP-UHFFFAOYSA-J turquoise blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Cu+2].NC1=NC(Cl)=NC(NC=2C=C(NS(=O)(=O)C3=CC=4C(=C5NC=4NC=4[N-]C(=C6C=CC(=CC6=4)S([O-])(=O)=O)NC=4NC(=C6C=C(C=CC6=4)S([O-])(=O)=O)NC=4[N-]C(=C6C=CC(=CC6=4)S([O-])(=O)=O)N5)C=C3)C(=CC=2)S([O-])(=O)=O)=N1 YXZRCLVVNRLPTP-UHFFFAOYSA-J 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
239000004744 fabric Substances 0.000 description 6
239000000203 mixture Substances 0.000 description 5
239000003471 mutagenic agent Substances 0.000 description 5
231100000707 mutagenic chemical Toxicity 0.000 description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 4
230000000694 effects Effects 0.000 description 4
239000011521 glass Substances 0.000 description 4
229920001778 nylon Polymers 0.000 description 4
238000003756 stirring Methods 0.000 description 4
RTLULCVBFCRQKI-UHFFFAOYSA-N 1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid Chemical compound C1=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C(S(O)(=O)=O)C=C1NC(C=1)=CC=C(S(O)(=O)=O)C=1NC1=NC(Cl)=NC(Cl)=N1 RTLULCVBFCRQKI-UHFFFAOYSA-N 0.000 description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
239000004372 Polyvinyl alcohol Substances 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 3
229920001577 copolymer Polymers 0.000 description 3
229910052802 copper Inorganic materials 0.000 description 3
239000010949 copper Substances 0.000 description 3
MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
238000001914 filtration Methods 0.000 description 3
RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 3
229920002451 polyvinyl alcohol Polymers 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
108010088249 Monogen Proteins 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
239000004677 Nylon Substances 0.000 description 2
239000004952 Polyamide Substances 0.000 description 2
239000004743 Polypropylene Substances 0.000 description 2
229920000297 Rayon Polymers 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
229920002472 Starch Polymers 0.000 description 2
230000001464 adherent effect Effects 0.000 description 2
239000012736 aqueous medium Substances 0.000 description 2
239000012298 atmosphere Substances 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
239000001913 cellulose Substances 0.000 description 2
229920002301 cellulose acetate Polymers 0.000 description 2
239000000982 direct dye Substances 0.000 description 2
239000000835 fiber Substances 0.000 description 2
229920000578 graft copolymer Polymers 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000010446 mirabilite Substances 0.000 description 2
239000000123 paper Substances 0.000 description 2
229920002647 polyamide Polymers 0.000 description 2
229920001155 polypropylene Polymers 0.000 description 2
239000000843 powder Substances 0.000 description 2
108090000623 proteins and genes Proteins 0.000 description 2
102000004169 proteins and genes Human genes 0.000 description 2
239000002964 rayon Substances 0.000 description 2
WXQMFIJLJLLQIS-UHFFFAOYSA-N reactive blue 21 Chemical compound [Cu+2].C1=CC(S(=O)(=O)CCO)=CC=C1NS(=O)(=O)C1=CC=C2C([N-]3)=NC(C=4C5=CC=C(C=4)S(O)(=O)=O)=NC5=NC(C=4C5=CC=C(C=4)S(O)(=O)=O)=NC5=NC([N-]4)=C(C=C(C=C5)S(O)(=O)=O)C5=C4N=C3C2=C1 WXQMFIJLJLLQIS-UHFFFAOYSA-N 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
235000012239 silicon dioxide Nutrition 0.000 description 2
239000000344 soap Substances 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000008107 starch Substances 0.000 description 2
235000019698 starch Nutrition 0.000 description 2
239000000758 substrate Substances 0.000 description 2
DKBXPLYSDKSFEQ-UHFFFAOYSA-L turquoise gll Chemical compound [Na+].[Na+].[Cu+2].N1=C(N=C2[N-]3)[C]4C(S(=O)(=O)[O-])=CC=CC4=C1N=C([N-]1)C4=CC=CC(S([O-])(=O)=O)=C4C1=NC(C=1C4=CC=CC=1)=NC4=NC3=C1[C]2C=CC=C1 DKBXPLYSDKSFEQ-UHFFFAOYSA-L 0.000 description 2
CSTRPYAGFNTOEQ-MGMRMFRLSA-N (2r)-2-[(1s)-1,2-dihydroxyethyl]-3,4-dihydroxy-2h-furan-5-one;octadecanoic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O.CCCCCCCCCCCCCCCCCC(O)=O CSTRPYAGFNTOEQ-MGMRMFRLSA-N 0.000 description 1
PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
RZVCEPSDYHAHLX-UHFFFAOYSA-N 3-iminoisoindol-1-amine Chemical compound C1=CC=C2C(N)=NC(=N)C2=C1 RZVCEPSDYHAHLX-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
238000010953 Ames test Methods 0.000 description 1
231100000039 Ames test Toxicity 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
238000004438 BET method Methods 0.000 description 1
FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
229920000858 Cyclodextrin Polymers 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical class CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
229940048053 acrylate Drugs 0.000 description 1
150000004996 alkyl benzenes Chemical class 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
150000001491 aromatic compounds Chemical class 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
238000001479 atomic absorption spectroscopy Methods 0.000 description 1
230000000711 cancerogenic effect Effects 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
231100000357 carcinogen Toxicity 0.000 description 1
231100000315 carcinogenic Toxicity 0.000 description 1
239000003183 carcinogenic agent Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
238000011109 contamination Methods 0.000 description 1
239000003599 detergent Substances 0.000 description 1
GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
238000004043 dyeing Methods 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
NPERTKSDHFSDLC-UHFFFAOYSA-N ethenol;prop-2-enoic acid Chemical compound OC=C.OC(=O)C=C NPERTKSDHFSDLC-UHFFFAOYSA-N 0.000 description 1
WOLATMHLPFJRGC-UHFFFAOYSA-N furan-2,5-dione;styrene Chemical class O=C1OC(=O)C=C1.C=CC1=CC=CC=C1 WOLATMHLPFJRGC-UHFFFAOYSA-N 0.000 description 1
150000004676 glycans Chemical class 0.000 description 1
229940025294 hemin Drugs 0.000 description 1
150000002391 heterocyclic compounds Chemical class 0.000 description 1
239000012535 impurity Substances 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
230000007886 mutagenicity Effects 0.000 description 1
231100000299 mutagenicity Toxicity 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
229920002401 polyacrylamide Polymers 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
229920002223 polystyrene Polymers 0.000 description 1
238000007127 saponification reaction Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
229940047670 sodium acrylate Drugs 0.000 description 1
239000000661 sodium alginate Substances 0.000 description 1
235000010413 sodium alginate Nutrition 0.000 description 1
229940005550 sodium alginate Drugs 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
235000011121 sodium hydroxide Nutrition 0.000 description 1
BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
238000004381 surface treatment Methods 0.000 description 1
239000010981 turquoise Substances 0.000 description 1
229920001567 vinyl ester resin Polymers 0.000 description 1
238000005406 washing Methods 0.000 description 1
210000002268 wool Anatomy 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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- 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
- A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

NO841332A 1983-04-05 1984-04-04 Tobakkfilter NO841332L (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP6048783A JPS59183684A (ja)	1983-04-05	1983-04-05	たばこフイルタ−
JP6048883A JPS59183685A (ja)	1983-04-05	1983-04-05	たばこフイルタ−

Publications (1)

Publication Number	Publication Date
NO841332L true NO841332L (no)	1984-10-08

Family

ID=26401559

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO841332A NO841332L (no)	1983-04-05	1984-04-04	Tobakkfilter

Country Status (5)

Country	Link
EP (1)	EP0121436A3 (da)
AU (1)	AU2613384A (da)
BR (1)	BR8401575A (da)
DK (1)	DK178484A (da)
NO (1)	NO841332L (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2020840C1 (ru) *	1992-10-08	1994-10-15	Научно-производственное объединение "Композит"	Курительное изделие типа сигареты
US6209547B1 (en)	1998-10-29	2001-04-03	Philip Morris Incorporated	Cigarette filter
US6911189B1 (en)	1999-10-29	2005-06-28	Philip Morris Usa Inc.	Filter for selective removal of a gaseous component
RU2254790C2 (ru) *	2000-09-12	2005-06-27	Филлижент Лимитед	Табачный фильтр
KR100695606B1 (ko) *	2003-02-18	2007-03-14	필링젠트 리미티드	금속 프탈로시아닌 및 다양이온 중합체를 함유하는 필터

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3291139A (en) *	1963-08-13	1966-12-13	Burke	Method of purifying tobacco smoke
JPS52116796A (en) *	1976-03-26	1977-09-30	Agency Of Ind Science & Technol	Production of filter medium with catalytic activity

1984
- 1984-03-27 AU AU26133/84A patent/AU2613384A/en not_active Abandoned
- 1984-03-30 EP EP84302230A patent/EP0121436A3/en not_active Withdrawn
- 1984-04-04 BR BR8401575A patent/BR8401575A/pt unknown
- 1984-04-04 NO NO841332A patent/NO841332L/no unknown
- 1984-04-04 DK DK178484A patent/DK178484A/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
BR8401575A (pt)	1984-11-13
DK178484D0 (da)	1984-04-04
DK178484A (da)	1984-10-06
EP0121436A3 (en)	1985-11-21
EP0121436A2 (en)	1984-10-10
AU2613384A (en)	1984-10-11

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