US Trademark Classification US01 Chemicals 木醋酸（001-1387） Class 01 木醋酸 001-1387 Chinese 木醋酸 English Pyroligneous acid Spanish Ácido piroleñoso Term ID 001-1387 Class 01 Type Goods Status Active · added, not since modified (A) Effective date 2010-09-23 Version 09-2007