Inventor
HARRINGTON IV JOHN C
US5 patents
⚠️ This page may combine multiple inventors who share the name “HARRINGTON IV JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BETZ PAPERCHEM INC
3 patentsUS5415740AMay 16, 1995
Method for improving retention and drainage characteristics in alkaline papermaking
BETZ PAPERCHEM INC13 citations72
US5482595AJan 9, 1996
Method for improving retention and drainage characteristics in alkaline papermaking
BETZ PAPERCHEM INC18 citations71
US5532308AJul 2, 1996
Method for improving retention and drainage characteristics in alkaline papermaking
BETZ PAPERCHEM INC2 citations61