Inventor
WHITWORTH JOHN
GB11 patents
⚠️ This page may combine multiple inventors who share the name “WHITWORTH JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA SC HOLDING AG
7 patentsUS6624117B1Sep 23, 2003
Heat sensitive recording material
CIBA SC HOLDING AG14 citations80
US6071853AJun 6, 2000
Crystalline fluoran compound
CIBA SC HOLDING AG6 citations67
US5925787AJul 20, 1999
Production of keto acids
CIBA SC HOLDING AG4 citations61
US5936119AAug 10, 1999
Chemical process
CIBA SC HOLDING AG0 citations49
US5917086AJun 29, 1999
Purification process
CIBA SC HOLDING AG1 citations49
US5908961AJun 1, 1999
Production of aminophenols
CIBA SC HOLDING AG0 citations47
US7517397B2Apr 14, 2009
Heat sensitive recording material
CIBA SC HOLDING AG0 citations39