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.)
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.)
Celanese Corp
Original Assignee
Celanese Corp
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.)
Filing date
Publication date
Application filed by Celanese CorpfiledCriticalCelanese Corp
Priority to FR118531ApriorityCriticalpatent/FR1534515A/fr
Application grantedgrantedCritical
Publication of FR1534515ApublicationCriticalpatent/FR1534515A/fr
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
A24D3/02—Manufacture of tobacco smoke filters
A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
FR118531A1966-09-121967-08-22Procédé et installation pour le traitement d'une mèche de fibres
ExpiredFR1534515A
(fr)