Bebra
Germany
7
2016-05-05
The entities that hold a legal rights for patent applications filed by inventor OSAN Armin:
Armin OSAN from Bebra, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Azo direct dyes and method for dyeing hair using these dyes
#2 | 2016-05-05Telescoping synthesis of 2-methoxymethyl-P-phenylenediamine
#3 | 2016-05-05Process for the preparation of 2-substituted-1,4-benzenediamines and salts thereof
#4 | 2016-05-05Telescoping synthesis of 2-methoxymethyl-p-phenylenediamine
#5 | 2014-10-021-hexyl-1-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions
#6 | 2013-08-22Telescoping synthesis of 5-amino-4-nitroso-1-alkyl-1H-pyrazole salt
#7 | 2013-08-221-hexzl-1H-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions
394969 ⎘