proprietary
pro|pri|etary /prəpr'aɪətri, AM -teri/
1 [ADJ] ADJ n
Proprietary substances or products are sold under a trade name. (FORMAL)
...some proprietary brands of dog food...
We had to take action to protect the proprietary technology.
≠ generic
2 [ADJ] usu ADJ n
If someone has a proprietary attitude towards something, they act as though they own it. (FORMAL)
Directors weren't allowed any proprietary airs about the product they made.
= proprietorial
1 [ADJ] ADJ n
Proprietary substances or products are sold under a trade name. (FORMAL)
...some proprietary brands of dog food...
We had to take action to protect the proprietary technology.
≠ generic
2 [ADJ] usu ADJ n
If someone has a proprietary attitude towards something, they act as though they own it. (FORMAL)
Directors weren't allowed any proprietary airs about the product they made.
= proprietorial