BR7017718D0 - Processo para a producao de elemento filtrante de fumaca - Google Patents
Processo para a producao de elemento filtrante de fumacaInfo
- Publication number
- BR7017718D0 BR7017718D0 BR21771870A BR21771870A BR7017718D0 BR 7017718 D0 BR7017718 D0 BR 7017718D0 BR 21771870 A BR21771870 A BR 21771870A BR 21771870 A BR21771870 A BR 21771870A BR 7017718 D0 BR7017718 D0 BR 7017718D0
- Authority
- BR
- Brazil
- Prior art keywords
- production
- filtering element
- smoke filtering
- smoke
- filtering
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1561569A GB1271274A (en) | 1969-03-25 | 1969-03-25 | Filtering element |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7017718D0 true BR7017718D0 (pt) | 1973-02-01 |
Family
ID=10062335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR21771870A BR7017718D0 (pt) | 1969-03-25 | 1970-03-24 | Processo para a producao de elemento filtrante de fumaca |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS509880B1 (pt) |
BE (1) | BE747829A (pt) |
BR (1) | BR7017718D0 (pt) |
CH (1) | CH518069A (pt) |
DE (1) | DE2013914A1 (pt) |
ES (1) | ES183796Y (pt) |
FR (1) | FR2039851A5 (pt) |
GB (1) | GB1271274A (pt) |
IT (1) | IT968022B (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3939237A (en) * | 1971-11-19 | 1976-02-17 | Asahi Dow, Ltd. | Method of making a fluid transmitting porous tube or sheet |
GB1482216A (en) * | 1974-04-11 | 1977-08-10 | Monsanto Ltd | Cigarette filters |
US4180536A (en) | 1978-03-13 | 1979-12-25 | Celanese Corporation | Process for extruding plasticized open cell foamed cellulose acetate filters |
US4282890A (en) * | 1978-03-13 | 1981-08-11 | Celanese Corporation | Open cell structure foamed cellulose acetate filters |
DE10153820A1 (de) | 2001-11-05 | 2003-05-15 | Hauni Maschinenbau Ag | Filtersegmente oder Filter für Zigaretten sowie Verfahren zu ihrer Herstellung |
-
1969
- 1969-03-25 GB GB1561569A patent/GB1271274A/en not_active Expired
-
1970
- 1970-03-20 ES ES1970183796U patent/ES183796Y/es not_active Expired
- 1970-03-23 FR FR7010311A patent/FR2039851A5/fr not_active Expired
- 1970-03-23 DE DE19702013914 patent/DE2013914A1/de active Pending
- 1970-03-23 JP JP2362370A patent/JPS509880B1/ja active Pending
- 1970-03-23 BE BE747829D patent/BE747829A/xx unknown
- 1970-03-24 BR BR21771870A patent/BR7017718D0/pt unknown
- 1970-03-24 CH CH451670A patent/CH518069A/de not_active IP Right Cessation
- 1970-03-24 IT IT4948070A patent/IT968022B/it active
Also Published As
Publication number | Publication date |
---|---|
CH518069A (de) | 1972-01-31 |
JPS509880B1 (pt) | 1975-04-16 |
BE747829A (fr) | 1970-09-23 |
ES183796Y (es) | 1974-05-16 |
GB1271274A (en) | 1972-04-19 |
IT968022B (it) | 1974-03-20 |
ES183796U (es) | 1973-08-01 |
DE2013914A1 (de) | 1970-12-03 |
FR2039851A5 (pt) | 1971-01-15 |
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