IP Library › Granted Patent US 4,871,644
Granted Patent Utility
US 4,871,644 · App. 07/099,880

Photoresist compositions with a bis-benzotriazole

Inventor: Sigrid Bauer
Patented Case View Patent ↗
Granted: Oct 3, 1989 Filed: Sep 22, 1987
Inventor
Sigrid Bauer
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,871,644
App. No.
07/099,880
Filed
1987-09-22
Granted
1989-10-03
Kind
A