US Trademark Classification US01 Chemicals Paraldehyde Class 01 Paraldehyde 001-653 三聚乙醛 Chinese 三聚乙醛 English Paraldehyde Spanish Paraldehído Term ID 001-653 Class 01 Type Goods Status Active · added, not since modified (A) Effective date 2004-07-20 Version 08-2002