Inventor
BERETTA PAOLO
12 patents
⚠️ This page may combine multiple inventors who share the name “BERETTA PAOLO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
10 patentsUS4515888AMay 7, 1985
Cyanine dyes for sensitizing silver halide emulsions to infrared radiation and photographic elements including them
MINNESOTA MINING & MFG23 citations81
US4307184ADec 22, 1981
Photographic elements containing polymers having aminoallylidenemalononitrile units
MINNESOTA MINING & MFG23 citations81
US4337305AJun 29, 1982
Sensitized organic electron donor compounds
MINNESOTA MINING & MFG7 citations73
US4356244AOct 26, 1982
Quinoxaline cyanine dye sensitized organic electron donor compounds
MINNESOTA MINING & MFG9 citations72
US4323633AApr 6, 1982
UV-Absorbing compounds and photographic elements containing them
MINNESOTA MINING & MFG7 citations72
US4110116AAug 29, 1978
Fogged direct positive silver halide emulsion containing a cyanine dye having at least one benzoxazole or benzothiazole nucleus substituted with halogen atoms
MINNESOTA MINING & MFG11 citations71
US4025347AMay 24, 1977
Fogged direct-positive silver halide emulsion containing a cyanine dye having an indole or indolenine nucleus substituted with a benzoyl or a phenylsulfonyl group
MINNESOTA MINING & MFG10 citations71
US4035190AJul 12, 1977
Direct positive silver halide emulsions containing quaternated merocyanine dyes
MINNESOTA MINING & MFG5 citations54
US4148657AApr 10, 1979
Silver halide photographic emulsions reactively associated with antifog agents, and photographic elements containing said emulsions
MINNESOTA MINING & MFG2 citations53
US3939176AFeb 17, 1976
Magenta couplers
MINNESOTA MINING & MFG1 citations42