Patent ID: 6963006

Claim:
A process for making an aminosilane, the process comprising reacting a stoichiometric excess of at least one amine selected from the group consisting of a secondary amine having the formula (R 1 ) 2 NH, a primary amine having the formula R 2 NH 2 or combinations thereof with at least one chlorosilane having the formula (R 3 ) n SiCl 4-n in the absence of an organic solvent under anhydrous conditions sufficient such that a liquid comprising the aminosilane product and an amine hydrochloride salt is produced and wherein R 1 and R 2 is each independently be a linear, cyclic or branched alkyl group having 1 to 20 carbon atoms; R 3 can be a hydrogen atom, an amine group, or a linear, cyclic or branched alkyl group having 1 to 20 carbon atoms; and n is a number ranging from 1 to 3.