Inventor · disambiguated record
Ehrfried Parr
Also filed as: PARR EHRFRIED
8 granted patents·113 citations·filing 1977–1985
87Inventor score
Files withDEGUSSA8
Top patents by PatentIndex Score
8 records- 0171US4542115AZeolite granulate, process for its productionDEGUSSA·Filed 1982·Granted Sep 17, 1985·19 cites·15 claims
- 0267US4303629ACrystalline zeolite powder of type A (I)DEGUSSA·Filed 1977·Granted Dec 1, 1981·24 cites·10 claims
- 0361US4303628ACrystalline zeolite powder of type A (IV)DEGUSSA·Filed 1977·Granted Dec 1, 1981·16 cites·12 claims
- 0456US4305916ACrystalline zeolite powder of type A (III)DEGUSSA·Filed 1977·Granted Dec 15, 1981·16 cites·8 claims
- 0556US4303627ACrystalline zeolite powder of type A (VI)DEGUSSA·Filed 1977·Granted Dec 1, 1981·16 cites·11 claims
- 0654US4303626ACrystalline zeolite powder of type A (V)DEGUSSA·Filed 1977·Granted Dec 1, 1981·15 cites·9 claims
- 0740US4551322AProcess for preparing zeolite powder of type A (IV)DEGUSSA·Filed 1983·Granted Nov 5, 1985·6 cites·7 claims
- 0830US4620399AZeolite granulate, process for its production and useDEGUSSA·Filed 1985·Granted Nov 4, 1986·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →