FK

Friedrich Karrer

CI Ciba-Geigy: 43 patents #28 of 2,867Top 1%
FF Fischerwerke Artur Fischer: 2 patents #28 of 121Top 25%
SA Syngenta Crop Protection Ag: 2 patents #194 of 703Top 30%
CI Ciba-Geiby: 1 patents #1 of 18Top 6%
📍 Zofingen, CH: #1 of 92 inventorsTop 2%
Overall (All Time): #58,970 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
4590268 Process for the preparation of 1-diorganocarbamoyl-polyalkylpiperidines 1986-05-20
4569997 Polyalkylpiperidine compounds 1986-02-11
4556714 N-(Polyalkylpiperidinyl)-carbamates of polyols 1985-12-03
4537923 Polyalkylpiperidinesulfonic acid esters Mario Slongo 1985-08-27
4532279 Polyalkylpiperidine esters of aliphatic tetracarboxylic acids 1985-07-30
4444928 Polymeric malonic acid derivatives 1984-04-24
4429077 Process for curing stoving lacquers Godwin Berner, Jean Rody 1984-01-31
4419512 N-Substituted polyalkylpiperidine-4-spirooxazolones 1983-12-06
4412021 Novel polyalkylpiperidyl-ureas and their use as stabilizers 1983-10-25
4348524 Amide derivatives of polyalkylpiperidines Paul Moser 1982-09-07
4344877 Bicyclo 4-acyloxypiperidine light stabilizers Erwin Nikles 1982-08-17
4322531 Diazaphospholanes and diazaphosphorinanes 1982-03-30
4317911 Piperidine containing cyanuric acid derivatives Michael Rasberger 1982-03-02
4309546 Piperidino pyrrolidinones 1982-01-05
4294949 Novel polymeric compounds 1981-10-13
4291056 Pesticidal esters Willy Meyer, Jozef Drabek, Saleem Farooq, Laurenz Gsell 1981-09-22
4276401 N-Heterocyclic substituted acryloyl polymeric compounds 1981-06-30
4256627 Novel light stabilizers for plastics Paul Moser, Jean Rody 1981-03-17
4238613 Polyalkylpiperidine derivatives Michael Rasberger 1980-12-09
4237297 Piperidine containing malonic acid derivatives Jean Rody 1980-12-02
4234734 2,2,6,6-Tetramethylpiperidine derivatives 1980-11-18
4210612 Novel polymeric N-heterocyclic compounds 1980-07-01
4185007 Barbituric acid derivatives containing a phenolic moiety and/or a hindered amine moiety Michael Rasberger 1980-01-22