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.)
Bayer AG
Original Assignee
Bayer AG
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 DEF20268Aexternal-prioritypatent/DE1149886B/de
Application filed by Bayer AGfiledCriticalBayer AG
Application grantedgrantedCritical
Publication of FR71521EpublicationCriticalpatent/FR71521E/fr
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
B29B7/00—Mixing; Kneading
B29B7/80—Component parts, details or accessories; Auxiliary operations
B29B7/801—Valves
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR71521D1956-05-111957-05-09Procédé et dispositif de fabrication de matières synthétiques
ExpiredFR71521E
(fr)