Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
  • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
  • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
• • 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
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
  • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Polymers & Plastics (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Organic Chemistry (AREA)
• Extrusion Moulding Of Plastics Or The Like (AREA)
• Filtering Materials (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)
• Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
• Preparation Of Compounds By Using Micro-Organisms (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=27255404

Family Applications (1)

Country Status (13)

Families Citing this family (3)

Family Cites Families (1)

• 1971
  • 1971-11-04 AT AT949971A patent/AT315709B/en not_active IP Right Cessation
  • 1971-11-09 NL NLAANVRAGE7115391,A patent/NL170916C/en not_active IP Right Cessation
  • 1971-11-10 SE SE7114391A patent/SE400457B/en unknown
  • 1971-11-11 IL IL38123A patent/IL38123A/en unknown
  • 1971-11-12 IE IE1429/71A patent/IE36798B1/en unknown
  • 1971-11-12 DE DE2156375A patent/DE2156375C3/en not_active Expired
  • 1971-11-12 CH CH1643371A patent/CH546543A/en not_active IP Right Cessation
  • 1971-11-15 FR FR7140766A patent/FR2114696A5/en not_active Expired
  • 1971-11-17 IT IT54140/71A patent/IT950514B/en active
  • 1971-11-17 BE BE775476A patent/BE775476A/en unknown
  • 1971-11-17 NO NO4243/71A patent/NO133088C/no unknown
  • 1971-11-17 DK DK565571A patent/DK133125C/en active
  • 1971-11-18 JP JP9270871A patent/JPS577172B1/ja active Pending
• 1977
  • 1977-11-09 JP JP13453277A patent/JPS5411299A/en active Pending

Also Published As

Similar Documents