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US 9,556,123 B2Granted
Synthesis of triethylenetetramines
AssigneePhilera New Zealand Limited
InventorsMarco Jonas, Irene Vaulont, Antonio Soi, Gunther Schmidt
Life of this patent
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Abstract
Methods and intermediates for synthesizing triethylenetetramine and salts thereof, as well as novel triethylenetetramine salts and their crystal structure, and triethylenetetramine salts of high purity.
Claims7
A compound of formula (I),
- wherein R1 and R2 of formula (I) are the same or different and are hydrogen;
- an alkyl group, an aryl group, or an aromatic alkyl group;
- or
- a compound of formula (IV),
- wherein R1 and R2 of formula (IV) are the same or different, and are hydrogen, an alkyl group, an aryl group, or an aromatic alkyl group, provided at least one of R1 and R2 is not hydrogen.
2 more elements
Dependencies are inferred from the claim text.