Inventor
RICHTZENHAIN HERMANN
30 patents
⚠️ This page may combine multiple inventors who share the name “RICHTZENHAIN HERMANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DYNAMIT NOBEL AG
28 patentsUS4399300AAug 16, 1983
Method of preparing malonic acid dialkyl esters
DYNAMIT NOBEL AG56 citations95
US4288607ASep 8, 1981
Bis-carbalkoxy compounds and their preparation
DYNAMIT NOBEL AG21 citations80
US4059618ANov 22, 1977
Tetrahalogen xylylene diacrylates, tetrahalogen xylyl acrylates, pentahalogen benzyl acrylates, and substituted acrylates
DYNAMIT NOBEL AG21 citations80
US4069265AJan 17, 1978
Stabilization of 1,1,1-trichloroethane with a four component system
DYNAMIT NOBEL AG6 citations73
US4007223AFeb 8, 1977
Method of preparing p-nitrobenzoic acid
DYNAMIT NOBEL AG9 citations73
US3974202AAug 10, 1976
Method of preparing arylacetic acid alkyl esters
DYNAMIT NOBEL AG7 citations73
US4149008AApr 10, 1979
Halogen-containing unsaturated bis-esters
DYNAMIT NOBEL AG9 citations72
US4086237AApr 25, 1978
Method of preparing 3-methyl pyridine
DYNAMIT NOBEL AG15 citations72
US4152511AMay 1, 1979
Linear or unsaturated polyesters prepared from bis-carbalkoxy compounds
DYNAMIT NOBEL AG13 citations71
US4284732AAug 18, 1981
Halogen-containing unsaturated bis-esters and polymers and copolymers based on these esters
DYNAMIT NOBEL AG6 citations70
US4424375AJan 3, 1984
Method and apparatus for performing carbonylation reactions
DYNAMIT NOBEL AG5 citations62
US4141915AFeb 27, 1979
Method of preparing α-substituted cyanoacetic acid alkyl esters
DYNAMIT NOBEL AG5 citations62
US4125561ANov 14, 1978
Process for production of terephthalic dialdehyde
DYNAMIT NOBEL AG3 citations62
US4060690ANov 29, 1977
Method of preparing arylacetic acid alkyl esters
DYNAMIT NOBEL AG3 citations62
US3959397AMay 25, 1976
Stabilization of 1,1,1-trichloroethane with a three component system
DYNAMIT NOBEL AG5 citations62
US4212996AJul 15, 1980
Process for the side-chain chlorination of perhalogenated methyl aromatic compounds
DYNAMIT NOBEL AG5 citations61
US4116934ASep 26, 1978
Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents
DYNAMIT NOBEL AG4 citations61
US4056508ANov 1, 1977
Difficultly inflammable polyester molding compositions
DYNAMIT NOBEL AG4 citations61
US4104300AAug 1, 1978
Method of preparing carboxylic acid chlorides of the benzene series
DYNAMIT NOBEL AG3 citations60
US4080378AMar 21, 1978
Process for the preparation of carboxylic acid chlorides of the benzene series
DYNAMIT NOBEL AG4 citations60
US3932535AJan 13, 1976
Process for the preparation of 2,2-bis-(4-hydroxy-3-chlorophenyl)-propane
DYNAMIT NOBEL AG2 citations60
US4091017AMay 23, 1978
Method of preparing terephthalic acid dichloride and isophthalic acid dichloride
DYNAMIT NOBEL AG4 citations59
US4078148AMar 7, 1978
Polyether esters
DYNAMIT NOBEL AG3 citations58
US4224234ASep 23, 1980
Method for preparation of orthosilicic acid tetraalkyl esters
DYNAMIT NOBEL AG5 citations55
US4246188AJan 20, 1981
Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents
DYNAMIT NOBEL AG3 citations54
US4147881AApr 3, 1979
Tetrabromoxylylene diacrylates and substituted acrylates
DYNAMIT NOBEL AG1 citations51
US4111902ASep 5, 1978
Heptabromodibenzofuran, highly brominated dibenzofurans and the preparation and use thereof as flame retardants
DYNAMIT NOBEL AG0 citations50
US4056454ANov 1, 1977
Process for the preparation of α,α,αα',α'-pentachloro-o-xylene
DYNAMIT NOBEL AG1 citations48