KH

Karl M. E. Hellsten

BA Berol Kemi Ab: 11 patents #1 of 44Top 3%
AC Ab Carbogel: 4 patents #2 of 11Top 20%
Overall (All Time): #429,961 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4887383 Process for producing a slurry of a pulverized carbonaceous material Mait M. Mathiesen, Lars I. Gillberg, Gunvor Karlsson 1989-12-19
4659332 Process for dry-cleaning textiles and microemulsion dry cleaning composition for the use therein 1987-04-21
4565549 Aqueous slurry of a solid fuel and a process for the production thereof Mait M. Mathiesen, Lars I. Gillberg, Gunvor Karlsson 1986-01-21
4549881 Aqueous slurry of a solid fuel and a process and means for the production thereof Mait M. Mathiesen, Lars I. Gillberg, Gunvor Karlsson 1985-10-29
4545898 Process for froth flotation 1985-10-08
4496367 Pumpable aqueous slurry of a solid fuel and a process for the production thereof Mait M. Mathiesen, Lars I. Gillberg, Gunvor Karlsson 1985-01-29
4476323 Surface-active quaternary ammonium compounds for treatment of textiles and cellulosic materials Jan Emanuelsson, Svante Wåhlen, Axel I. Thebrin 1984-10-09
4430238 Esterified dicarboxylic acid and its use Anders Klingberg 1984-02-07
4384965 Method for the mechanical working of metals and lubricant concentrate Birgit Tora Gunvor Karlsson 1983-05-24
4358368 Process for the froth flotation of calcium phosphate-containing minerals and flotation agents therefor Anders Klingberg 1982-11-09
4315755 Hydrocarbon oils containing 1 to 10 percent emulsified water and emulsifiers therefor Inger G. Johansson, Birgit Tora Gunvor Karlsson 1982-02-16
4254823 Process for separating mineral wool fibers from nonfibrous materials Nils G. Cederqvist, Kerstin E. Henriksson, Lars A. S. Waag 1981-03-10