proprietary

The meat, cured at Burbank’s RC Provisions with a proprietary recipe developed by Al Langer, still gets a lengthy — and costly — steaming after it arrives at the restaurant.

From Los Angeles Times ● Sep. 27, 2026

This contrasts with the approach taken by many US firms, which largely focus on proprietary models accessed through paid subscriptions or company platforms.

From BBC ● Sep. 23, 2026

The researchers process PET plastic, discarded corn stalks and leaves, and other biomass using a proprietary technique known as oxidative hydrothermal dissolution.

From Science Daily ● Sep. 13, 2026

From the conclusions drawn by Bank of America’s proprietary “bubble risk indicator,” analysts remain relatively untroubled about U.S. stock indices and say equities will quickly bounce back from any pullback.

From MarketWatch ● Sep. 10, 2026

The Cavendish understandably harbored a proprietary interest in the characteristics of the particle it had discovered, not to mention a native pride in its ability to extract precise measurements from its meticulously hand-built equipment.

From "Big Science" by Michael Hiltzik

Though Evergreen bought Intermountain Aviation, one of Doole's CIA "proprietaries," in 1975, the company insists that it has had nothing further to do with the agency.

From Time Magazine Archive

With the spread of the influenza epidemic pernicious drug vendors cried new merits for their proprietaries.

From Time Magazine Archive

With this war against France began the struggle of the Assemblies and the proprietaries on the question of taxing the estates of the latter.

From Heroes of Science: Physicists by William Garnett

The proprietaries justified their conduct as well as they could, and I the Assembly's.

From Franklin's Autobiography (Eclectic English Classics) by Benjamin Franklin

When this bill reached England, the proprietaries determined to oppose its receiving the royal assent.

From Heroes of Science: Physicists by William Garnett