Inventor
CEINTREY CLAUDE
FR12 patents
⚠️ This page may combine multiple inventors who share the name “CEINTREY CLAUDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CELLOPHANE SA
4 patentsUS4252601AFeb 24, 1981
Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like
CELLOPHANE SA16 citations81
US4439512AMar 27, 1984
Chromogenic compositions containing stabilized phenolic coupler compounds, recording materials and processes utilizing same
CELLOPHANE SA11 citations72
US4054684AOct 18, 1977
Composition for forming colored images, new recording material and process using same
CELLOPHANE SA16 citations66
US4327006AApr 27, 1982
Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like
CELLOPHANE SA0 citations51
RHONE POULENC SYST
3 patentsUS4318937AMar 9, 1982
Heat and solvent sensitive recording material and process to use it
RHONE POULENC SYST10 citations72
US4370397AJan 25, 1983
Presensitized plastic card, tamperproof identification card prepared therefrom, and process for manufacture of tamperproof identification card
RHONE POULENC SYST19 citations66
US4584256AApr 22, 1986
Diazotype materials which can be developed by heat and contain an activator precursor having 2-carboxy carboxamide group releasing a strong base during heating
RHONE POULENC SYST5 citations61