Inventor · disambiguated record
Richard A. Empey
Also filed as: EMPEY RICHARD A
3 granted patents·30 citations·filing 1975–1979
69Inventor score
Files withMERCK & CO INC3
Top patents by PatentIndex Score
3 records- 0177US4105605ASulfomethylated graft copolymers of xanthan gum and polyacrylamideMERCK & CO INC·Filed 1976·Granted Aug 8, 1978·20 cites·10 claims
- 0244US4263399AHigh phosphate process for making low calcium, smooth flow xanthan gumMERCK & CO INC·Filed 1979·Granted Apr 21, 1981·6 cites·5 claims
- 0340US4070535ACellulase-free xanthan gum and process for producing sameMERCK & CO INC·Filed 1975·Granted Jan 24, 1978·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →