US 11,787,226 B2
Eraser tool containing polyetheramine
Guillaume Caffier, Wegscheid (FR); and Aurore Sauvage, Gy les Nonains (FR)
Assigned to SOCIETE BIC, Clichy (FR)
Appl. No. 17/255,527
Filed by SOCIETE BIC, Clichy (FR)
PCT Filed Jul. 30, 2019, PCT No. PCT/IB2019/056471
§ 371(c)(1), (2) Date Dec. 23, 2020,
PCT Pub. No. WO2020/026129, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 18306035 (EP), filed on Jul. 31, 2018.
Prior Publication US 2021/0362536 A1, Nov. 25, 2021
Int. Cl. B43L 19/00 (2006.01); C08K 5/18 (2006.01); C08L 23/16 (2006.01); B43K 29/02 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C09D 11/50 (2014.01); C08L 71/02 (2006.01)
CPC B43L 19/0025 (2013.01) [B43K 29/02 (2013.01); C08K 3/22 (2013.01); C08K 3/26 (2013.01); C08K 5/18 (2013.01); C08L 23/16 (2013.01); C09D 11/50 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/265 (2013.01); C08L 71/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An erasing composition comprising:
(a) from 10 to 80% by weight of at least one rubber, (b) from 20 to 80% by weight of at least one filler, and (c) from 1 to 50% by weight of at least one polyetheramine comprising a polyether backbone based on propylene oxide, ethylene oxide, or mixed propylene oxide/ethylene oxide units, and at least one primary or secondary amino group attached to the end of the polyether backbone.