ES183796Y - PERFECTED FILTER ELEMENTS. - Google Patents

PERFECTED FILTER ELEMENTS.

Info

Publication number: ES183796Y
Authority: ES; Spain
Prior art keywords: filter elements; perfected filter; perfected; elements; filter
Prior art date: 1969-03-25
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

Application number

ES1970183796U

Other languages

Spanish (es)

Other versions

ES183796U (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Monsanto Chemicals Ltd

Original Assignee

Monsanto Chemicals Ltd

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.)

1969-03-25

Filing date

1970-03-20

Publication date

1974-05-16

1970-03-20 Application filed by Monsanto Chemicals Ltd filed Critical Monsanto Chemicals Ltd

1973-08-01 Publication of ES183796U publication Critical patent/ES183796U/en

1974-05-16 Application granted granted Critical

1974-05-16 Publication of ES183796Y publication Critical patent/ES183796Y/en

Status Expired legal-status Critical Current

Links

Classifications

- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
- A24D3/0237—Filter rod forming processes by extrusion

ES1970183796U 1969-03-25 1970-03-20 PERFECTED FILTER ELEMENTS. Expired ES183796Y (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1561569A GB1271274A (en)	1969-03-25	1969-03-25	Filtering element

Publications (2)

Publication Number	Publication Date
ES183796U ES183796U (en)	1973-08-01
ES183796Y true ES183796Y (en)	1974-05-16

Family

ID=10062335

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES1970183796U Expired ES183796Y (en)	1969-03-25	1970-03-20	PERFECTED FILTER ELEMENTS.

Country Status (9)

Country	Link
JP (1)	JPS509880B1 (en)
BE (1)	BE747829A (en)
BR (1)	BR7017718D0 (en)
CH (1)	CH518069A (en)
DE (1)	DE2013914A1 (en)
ES (1)	ES183796Y (en)
FR (1)	FR2039851A5 (en)
GB (1)	GB1271274A (en)
IT (1)	IT968022B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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 (en)	2001-11-05	2003-05-15	Hauni Maschinenbau Ag	Filter segments or filters for cigarettes and processes for their manufacture

1969
- 1969-03-25 GB GB1561569A patent/GB1271274A/en not_active Expired
1970
- 1970-03-20 ES ES1970183796U patent/ES183796Y/en not_active Expired
- 1970-03-23 JP JP2362370A patent/JPS509880B1/ja active Pending
- 1970-03-23 FR FR7010311A patent/FR2039851A5/fr not_active Expired
- 1970-03-23 BE BE747829D patent/BE747829A/en unknown
- 1970-03-23 DE DE19702013914 patent/DE2013914A1/en active Pending
- 1970-03-24 BR BR21771870A patent/BR7017718D0/en unknown
- 1970-03-24 IT IT4948070A patent/IT968022B/en active
- 1970-03-24 CH CH451670A patent/CH518069A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2039851A5 (en)	1971-01-15
CH518069A (en)	1972-01-31
ES183796U (en)	1973-08-01
DE2013914A1 (en)	1970-12-03
IT968022B (en)	1974-03-20
JPS509880B1 (en)	1975-04-16
GB1271274A (en)	1972-04-19
BE747829A (en)	1970-09-23
BR7017718D0 (en)	1973-02-01

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