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.)
American Lead Pencil Co
Original Assignee
American Lead Pencil 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 Lead Pencil CofiledCriticalAmerican Lead Pencil Co
Application grantedgrantedCritical
Publication of FR571185ApublicationCriticalpatent/FR571185A/fr
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
B01J13/0004—Preparation of sols
B01J13/0039—Post treatment
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Dispersion Chemistry
(AREA)
Chemical Kinetics & Catalysis
(AREA)
FR571185D1923-09-261923-09-26Procédé d'épuration et de préparation de matières
ExpiredFR571185A
(fr)