Inventor · disambiguated record
Rainer Helwerth
Also filed as: HELWERTH RAINER
8 granted patents·109 citations·filing 1974–1994
87Inventor score
Files withHOECHST AG8
Top patents by PatentIndex Score
8 records- 0183US4668410AAqueous functional fluids based on polymersHOECHST AG·Filed 1986·Granted May 26, 1987·34 cites·7 claims
- 0281US4769167AAqueous functional fluids based on polymersHOECHST AG·Filed 1986·Granted Sep 6, 1988·30 cites·6 claims
- 0368US3992306AMetal-working and corrosion protection agentHOECHST AG·Filed 1974·Granted Nov 16, 1976·12 cites·3 claims
- 0461US5554768ASubstituted SuccinimidesHOECHST AG·Filed 1994·Granted Sep 10, 1996·21 cites·11 claims
- 0550US4297236AWater miscible corrosion inhibitorsHOECHST AG·Filed 1978·Granted Oct 27, 1981·6 cites·3 claims
- 0632US4539128AWater-soluble lubricantHOECHST AG·Filed 1982·Granted Sep 3, 1985·3 cites·4 claims
- 0730US4323476AAnticorrosive agent for aluminium and aluminium alloysHOECHST AG·Filed 1980·Granted Apr 6, 1982·2 cites·2 claims
- 0824US4348302AAnticorrosive agent stable to hard waterHOECHST AG·Filed 1980·Granted Sep 7, 1982·1 cites·2 claims
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