There is only one Bovril : an argument but no quarrel / [Bovril Limited].
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Bovril defended its market position against cheap meat extract imitators by explaining its proprietary inclusion of powdered beef albumen alongside soluble meat extract. Proving nutritional superiority with clear protein science disarmed competing copycats without sounding petty.
Steal this when
Steal this when distinguishing your product from cheap imitators by educating buyers on a specific proprietary ingredient they lack.