1.
Proprietary substances or products are sold under a trade name. (FORMAL)
...some ~ brands of dog food...
We had to take action to protect the ~ technology.
? generic
ADJ: ADJ n
2.
If someone has a ~ attitude towards something, they act as though they own it. (FORMAL)
Directors weren’t allowed any ~ airs about the product they made.
= proprietorial
ADJ: usu ADJ n