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Inventor
HENNINGS WILLI
2 patents
Patents
2 patents
US4443264A
Apr 17, 1984
Halogen-free zinc ferrite yellow pigments containing alumina and phosphorus oxide and production
BAYER AG
10 citations
71
US4084984A
Apr 18, 1978
Temperature-stable inorganic yellow pigments
BAYER AG
4 citations
56