Inventor

PETITPIERRE JEAN CLAUDE

20 patents

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

PETITPIERRE JEAN CLAUDE

CIBA GEIGY CORP

3-Cyano-1,2,4-thiadiazolyl-5-czo dyestuffs

Heat-sensitive recording material containing a malachite green color former

Coated pressure-sensitive recording material

Sulfonylamidino aminobenzaldehyde compounds

3-Indolyl-3-phenyl-phthalides

Nitro-phthalides, their manufacture and their use in recording systems

Heterocyclic substituted lactone compounds

Pressure-sensitive or heat-sensitive recording material

Naphtholactamcarbinols color formers, their manufacture and use in pressure-sensitive or thermoreactive recording material

Indolyl methylene leuco dyestuffs

Bis-aminoarylethane amide compounds

Pressure-sensitive copying or recording material

Heterocyclic substituted chromenopyrazoles

Pressure-sensitive and/or heat sensitive copying or recording material

Insecticidal n-(substituted phenyl)-tricyclo [3,2,2,02.4 ]nonane-6,7-dicarboximides

Thiazolylphthalide compounds

Pressure-sensitive and/or heat-sensitive recording material

CIBA GEIGY AG

Heterocyclic substituted fluorans

Chromenopyrazole compounds

Nitro-chromeno pyrazole compounds their manufacture and use