FR905883A -
A process for making high quality erasers from mixtures of polyvinyl halides, gelatinizing emollients, dissolving aniline dyes, and fillers
- Google Patents
A process for making high quality erasers from mixtures of polyvinyl halides, gelatinizing emollients, dissolving aniline dyes, and fillers
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.)
EBERIIARD FABER K G
Faber Castell AG
Original Assignee
EBERIIARD FABER K G
AW Faber Castell GmbH and 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 EBERIIARD FABER K G, AW Faber Castell GmbH and CofiledCriticalEBERIIARD FABER K G
Application grantedgrantedCritical
Publication of FR905883ApublicationCriticalpatent/FR905883A/en
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
B43L19/0025—Eraser or rubber material, e.g. comprising hard particles
FR905883D1944-07-171944-07-17
A process for making high quality erasers from mixtures of polyvinyl halides, gelatinizing emollients, dissolving aniline dyes, and fillers
ExpiredFR905883A
(en)
Process for the preparation of intermediate compounds, new products obtained and their industrial applications, in particular in the manufacture of new photographic cyanines