Invention Grant
- Patent Title: Refill for writing, drawing and/or painting devices and method for the production thereof
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Application No.: US15025632Application Date: 2014-09-11
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Publication No.: US11434388B2Publication Date: 2022-09-06
- Inventor: Andreas Thies , Martin Jakob , Jürgen Adler
- Applicant: STAEDTLER Mars GmbH & Co. KG
- Applicant Address: DE Nuremberg
- Assignee: STAEDTLER Mars GmbH & Co. KG
- Current Assignee: STAEDTLER Mars GmbH & Co. KG
- Current Assignee Address: DE Nuremberg
- Agency: Lucas & Mercanti, LLP
- Agent Klaus P. Stoffel
- Priority: DE102013016355.2 20131001
- International Application: PCT/EP2014/002461 WO 20140911
- International Announcement: WO2015/049026 WO 20150409
- Main IPC: C09D13/00
- IPC: C09D13/00 ; C08L67/04 ; C08L91/06 ; C08K3/013 ; C08K3/04
Abstract:
A polymer-bound refill for writing, drawing and/or painting devices, in particular for pencils or coloured pencils, including at least one binder, at least one wax, at least one colouring agent and at least one filler. The refill includes polylactide as binder.
Public/Granted literature
- US20160237295A1 REFILL FOR WRITING, DRAWING AND/OR PAINTING DEVICES AND METHOD FOR THE PRODUCTION THEREOF Public/Granted day:2016-08-18
Information query
IPC分类:
