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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to ES340722ApriorityCriticalpatent/ES340722A3/en
Publication of ES340722A3publicationCriticalpatent/ES340722A3/en
Process for the manufacture of glued cellulosic sheets, deposited in water, endowed with an improved resistance to the penetration of aqueous fluids, characterized in that it comprises forming a dilute aqueous suspension of cellulose fibers, for the manufacture of paper, adding a liquid glue formed by the saponification of rosin, which has been reacted with an amount of formaldehyde sufficient to inhibit crystallization, as a fiber-sizing agent, to precipitate the glue on the fibers by the action of alum, to convert the fibers into leaves to form a sheet and dry such sheet. (Machine-translation by Google Translate, not legally binding)
ES340722A1967-05-191967-05-19Procedure for the manufacture of glidered cellulosules. (Machine-translation by Google Translate, not legally binding)
ExpiredES340722A3
(en)
Procedure to separate cellulose pulp fibers in fractions with different characteristics. (Machine-translation by Google Translate, not legally binding)