English Grammar for the Utterly Confused - Laurie Rozakis 2003

Capitalize Proper Adjectives and Product Names
Chapter 11 Capitalization and Abbreviations
Part 4 A Writers Tools

1. Capitalize proper adjectives formed from proper nouns.

• In a hyphenated proper adjective, capitalize only the adjective.

Spanish-speaking residents

• Don’t capitalize the prefix attached to a proper adjective unless the prefix refers to a nationality.

all-American Old English

2. Capitalize brand names and trademarks.

Jell-O pudding Kleenex tissues

Freon   Band-Aid

Fresca   Xerox