Wolfgang Beilfuss,Ralf Gradtke,Ingo Krull,Klaus Weber
申请号：
US10663257
公开号：
US08568754B2
申请日:
2003.09.16
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A preservative and a process for the preparation of a preservative with reduced formaldehyde emission which comprises:a) at least one formal andb) at least one emission-reducing additive which is selected from urea, urea derivatives, amino acids, guanidine and guanidine derivatives, andwherein the preservative:(i) comprises no iodopropynyl compound and(ii) no derivative of 1H-benzimidazol-2-carbamic acid.
