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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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
Priority claimed from US390699Aexternal-prioritypatent/US3339560A/en
Application filed by Eastman Kodak CofiledCriticalEastman Kodak Co
Priority to FR28260ApriorityCriticalpatent/FR1447531A/fr
Application grantedgrantedCritical
Publication of FR1447531ApublicationCriticalpatent/FR1447531A/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
A24D3/0212—Applying additives to filter materials
FR28260A1964-08-191965-08-13Nouveaux filtres à cigarettes et procédé de fabrication
ExpiredFR1447531A
(fr)