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
  • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/34—Chemical or biological purification of waste gases
  • B01D53/46—Removing components of defined structure
  • B01D53/64—Heavy metals or compounds thereof, e.g. mercury

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Analytical Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Biomedical Technology (AREA)
• Health & Medical Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Materials Engineering (AREA)
• Treating Waste Gases (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)
• Solid-Sorbent Or Filter-Aiding Compositions (AREA)
• Gas Separation By Absorption (AREA)
• Filtering Materials (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=20262362

Family Applications (1)

Country Status (18)

Families Citing this family (2)

Family Cites Families (2)

• 1972
  • 1972-03-20 SE SE7203554A patent/SE381820B/xx unknown
• 1973
  • 1973-03-15 ZA ZA731813A patent/ZA731813B/xx unknown
  • 1973-03-16 IT IT7321802A patent/IT981477B/it active
  • 1973-03-17 DE DE2313468A patent/DE2313468A1/de active Pending
  • 1973-03-17 ES ES412805A patent/ES412805A1/es not_active Expired
  • 1973-03-19 GB GB1304673A patent/GB1424214A/en not_active Expired
  • 1973-03-19 NL NL7303802A patent/NL7303802A/xx not_active Application Discontinuation
  • 1973-03-19 FI FI835/73A patent/FI54557C/fi active
  • 1973-03-19 IL IL41810A patent/IL41810A/en unknown
  • 1973-03-19 NO NO1082/73A patent/NO139628C/no unknown
  • 1973-03-20 FR FR7309961A patent/FR2177831B1/fr not_active Expired
  • 1973-03-20 AU AU53523/73A patent/AU5352373A/en not_active Expired
  • 1973-03-20 DK DK151073AA patent/DK141713B/da unknown
  • 1973-03-20 AR AR247138A patent/AR197493A1/es active
  • 1973-03-20 JP JP48031520A patent/JPS496551A/ja active Pending
  • 1973-03-20 BE BE2052614A patent/BE797027A/xx unknown
  • 1973-03-20 CH CH406273A patent/CH577799A5/xx not_active IP Right Cessation
  • 1973-03-20 BR BR731981A patent/BR7301981D0/pt unknown

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