Inventor · disambiguated record
Hans-Josef Ratajczak
Also filed as: RATAJCZAK HANS · RATAJCZAK HANS-JOSEF
8 granted patents·92 citations·filing 1974–1993
87Inventor score
Top patents by PatentIndex Score
8 records- 0190US4861513APreparation of specifically adjusted polyalcohol mixtures based on sorbitolHUELS CHEMISCHE WERKE AG·Filed 1987·Granted Aug 29, 1989·45 cites·10 claims
- 0281US4335018ACatalyst for the production of maleic anhydrideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Jun 15, 1982·14 cites·13 claims
- 0355US4286071ASelf-extinguishing fine particulate expandable styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Aug 25, 1981·8 cites·9 claims
- 0453US3931416AProcess for manufacturing calcium-sodium-phosphate consisting mainly of Rhenanit and suitable for use as supplementary animal foodKALK CHEMISCHE FABRIK GMBH·Filed 1974·Granted Jan 6, 1976·10 cites·2 claims
- 0551US4268448AProcess for the production of maleic anhydrideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted May 19, 1981·3 cites·6 claims
- 0644US4337319ASelf-extinguishing, fine particulate expandable styrene polymersHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Jun 29, 1982·6 cites·4 claims
- 0739US4367362AProcess for the isomerization of N-alkenesHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Jan 4, 1983·4 cites·13 claims
- 0838US5412136AProcess for the preparation of alkyl sulfate powder having a high bulk densityHUELS CHEMISCHE WERKE AG·Filed 1993·Granted May 2, 1995·2 cites·11 claims
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