Inventor
HOFER KURT
AT27 patents
⚠️ This page may combine multiple inventors who share the name “HOFER KURT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANDOZ LTD
18 patentsUS4075163AFeb 21, 1978
Benzene phosphonous acid compounds, their production and use as stabilizers for organic materials
SANDOZ LTD53 citations95
US4029684AJun 14, 1977
2-Hydroxybenzophenone derivatives
SANDOZ LTD13 citations74
US3975382AAug 17, 1976
Pyrazol(5)/pyrazolone(5)metal complexes as stabilizers for organic materials
SANDOZ LTD8 citations74
US4107138AAug 15, 1978
Phosphonous and thiophosphonous acid ethers as stabilizers for organic materials
SANDOZ LTD10 citations73
US4033957AJul 5, 1977
Triazine derivatives as stabilizers for organic materials
SANDOZ LTD11 citations73
US3962175AJun 8, 1976
Benzene phosphonous acid compounds, their production and use as stabilizers for organic materials
SANDOZ LTD12 citations73
US3954847AMay 4, 1976
New benzene phosphonous acid compounds, their production and use as stabilizers for organic materials
SANDOZ LTD8 citations73
US4146540AMar 27, 1979
Pyrazole compounds as stabilizers for organic materials
SANDOZ LTD17 citations72
US4008200AFeb 15, 1977
Method of stabilizing organic materials employing pyrazole compounds and stabilized compositions thereof
SANDOZ LTD19 citations72
US3976658AAug 24, 1976
Pyrazole derivatives
SANDOZ LTD11 citations72
US4165267AAug 21, 1979
Photo-polymerizable systems containing 2-haloacetophenone derivatives as photosensitizing agents
SANDOZ LTD3 citations63
US3963737AJun 15, 1976
1,3-Dihydrocarbyl-pyrazole compounds as stabilizers for organic materials
SANDOZ LTD4 citations63
US3959265AMay 25, 1976
Organic compounds
SANDOZ LTD3 citations63
US4042562AAug 16, 1977
Nitrogen-containing aromatic heterocyclic compounds as anti-oxidants
SANDOZ LTD4 citations62
US3957765AMay 18, 1976
Aromatic heterocyclic hydrazide derivatives
SANDOZ LTD3 citations62
US4102857AJul 25, 1978
Pyrazole derivatives
SANDOZ LTD3 citations61
US4308218ADec 29, 1981
Aryl phosphonites and thiophosphonites useful as antioxidants
SANDOZ LTD2 citations60
US4036812AJul 19, 1977
Method of stabilizing organic materials employing pyrazole nickel complexes
SANDOZ LTD0 citations42
SANDOZ AG
5 patentsUS3936479AFeb 3, 1976
Organic compounds
SANDOZ AG8 citations72
US4211731AJul 8, 1980
Fluorene phosphonites and thiophosphonites as antioxidants for organic materials
SANDOZ AG8 citations71
US3948946AApr 6, 1976
Cyclic acetals and mercaptals
SANDOZ AG11 citations70
US3935231AJan 27, 1976
Novel benzothiophene derivatives as stabilizers for organic compounds
SANDOZ AG5 citations63
US4206076AJun 3, 1980
N-(Para-hydroxybiphenyl)amides
SANDOZ AG3 citations59