US 11,653,668 B2
Gum bases incorporating polymers derived from Russian Dandelion
David R. Phillips, Downers Grove, IL (US); and Xiaohu Xia, Deerfield, IL (US)
Assigned to WM. WRIGLEY JR. COMPANY, Chicago, IL (US)
Appl. No. 16/337,423
Filed by WM. WRIGLEY JR. COMPANY, Chicago, IL (US)
PCT Filed Sep. 29, 2017, PCT No. PCT/US2017/054314
§ 371(c)(1), (2) Date Mar. 28, 2019,
PCT Pub. No. WO2018/064484, PCT Pub. Date Apr. 5, 2018.
Claims priority of provisional application 62/402,450, filed on Sep. 30, 2016.
Prior Publication US 2020/0029587 A1, Jan. 30, 2020
Int. Cl. A23G 4/06 (2006.01); A23G 4/08 (2006.01); A23G 4/10 (2006.01)
CPC A23G 4/068 (2013.01) [A23G 4/064 (2013.01); A23G 4/066 (2013.01); A23G 4/08 (2013.01); A23G 4/10 (2013.01); A23G 2200/06 (2013.01); A23G 2210/00 (2013.01)] 17 Claims
 
1. A chewing gum base comprising
1 to 30 wt. % TKS rubber,
an additional a resin that is present in an amount of up to about 40% by weight, the resin comprising terpene resin;
0 to 20 wt. % synthetic elastomer,
0 to 20 wt. % natural elastomer other than TKS rubber,
about 0 to about 35 wt. % filler,
about 0 to about 35 wt. % softener,
0 to 5 wt. % emulsifier, and
0 to 40 wt. % hydrophilic modifier;
wherein the TKS rubber comprises 70-95% polyisoprene elastomer and a balance of resin, and
wherein the ratio of the polyisoprene elastomer to total resin in the composition gum base is from 1:1 to 1:5.