Inventor · disambiguated record
Norbert Kohler
Also filed as: KOHLER NORBERT
13 granted patents·331 citations·filing 1978–1999
93Inventor score
Top patents by PatentIndex Score
13 records- 0193US4681912AProcess for manufacturing inverse microlatices of watersoluble copolymers, the resultant inverse microlatices and their use for improving the production of hydrocarbonsINST FRANCAIS DU PETROLE·Filed 1985·Granted Jul 21, 1987·88 cites·13 claims
- 0289US4521317AProcess for manufacturing a microlatex in a continuous oil phase by polymerization of a water-soluble monomer in a water-in-oil microemulsion, resultant microlatices, and their use for enhanced oil recoveryINST FRANCAIS DU PETROLE·Filed 1983·Granted Jun 4, 1985·72 cites·16 claims
- 0378US4416990AEnzymatic clarification process for improving the injectivity and filtrabhility of xanthan gumsINST FRANCAIS DU PETROLE·Filed 1981·Granted Nov 22, 1983·25 cites·14 claims
- 0469US4842071AProcess for the selective reduction of water inflows in oil or gas producing wellsINST FRANCAIS DU PETROLE·Filed 1988·Granted Jun 27, 1989·23 cites·8 claims
- 0568US5322123AUse of gel-based compositions for reducing the production of water in oil- or gas-producing wellsINST FRANCAIS DU PETROLE·Filed 1991·Granted Jun 21, 1994·22 cites·16 claims
- 0667US4393151AStable suspensions of water-soluble polymers and their manufactureINST FRANCAIS DU PETROLE·Filed 1981·Granted Jul 12, 1983·16 cites·22 claims
- 0757US5146985AHydrophilic polymer gel water sealing processELF AQUITAINE·Filed 1989·Granted Sep 15, 1992·17 cites·12 claims
- 0857US4431734AEnzymatic process for the treatment of xanthan gums to improve the filtrability of their aqueous solutionsINST FRANCAIS DU PETROLE·Filed 1982·Granted Feb 14, 1984·10 cites·19 claims
- 0951US4454260AStable suspensions of water-soluble polymers and their manufactureINST FRANCAIS DU PETROLE·Filed 1983·Granted Jun 12, 1984·9 cites·19 claims
- 1050US6283215B1Process for thermal insulation of production tubings placed in a well by means of a non-rigid foam and a system for working a fluid producing wellINST FRANCAIS DU PETROLE·Filed 1999·Granted Sep 4, 2001·25 cites·8 claims
- 1144US4412925AAssisted oil recovery with use of fermentation fluidsINST FRANCAIS DU PETROLE·Filed 1978·Granted Nov 1, 1983·10 cites·22 claims
- 1240US5082577AMethod and composition for selectively reducing permeability to water in hydrocarbon reservoirs which are hot and salineINST FRANCAIS DU PETROLE·Filed 1990·Granted Jan 21, 1992·6 cites·27 claims
- 1340US4396731ACompositions of coated water-soluble polymers, their manufacture and their use to prepare aqueous solutions for use in enhanced oil recoveryINST FRANCAIS DU PETROLE·Filed 1981·Granted Aug 2, 1983·8 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →