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.)
D INV S SOC ET
Original Assignee
D INV S SOC ET
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 D INV S SOC ETfiledCriticalD INV S SOC ET
Application grantedgrantedCritical
Publication of FR805623ApublicationCriticalpatent/FR805623A/en
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H19/00—Coated paper; Coating material
D21H19/80—Paper comprising more than one coating
D21H19/82—Paper comprising more than one coating superposed
D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
FR805623D1935-08-131935-08-13
New process for impregnating paper or cardboard containers
ExpiredFR805623A
(en)
Automatic regulation device for obtaining sheets of constant characteristics, applicable to paper and cardboard machines, or for the manufacture of other similar products