Inventor

MAMMATO DONALD C

US3 patents

⚠️ This page may combine multiple inventors who share the name “MAMMATO DONALD C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST CO AMERICAN

2 patents

US4588670AMay 13, 1986

Light-sensitive trisester of O-quinone diazide containing composition for the preparation of a positive-acting photoresist

HOECHST CO AMERICAN25 citations80

US4596763AJun 24, 1986

Positive photoresist processing with mid U-V range exposure

HOECHST CO AMERICAN15 citations64

HOECHST CELANESE CORP

1 patent

US5019488AMay 28, 1991

Method of producing an image reversal negative photoresist having a photo-labile blocked imide

HOECHST CELANESE CORP34 citations91