Assignee
NAT PETRO CHEM
31 granted patents·385 citations·filing 1974–1983
Top patents by PatentIndex Score
31 records- 0190US3984351AOlefin polymerization catalystNAT PETRO CHEM·Filed 1975·Granted Oct 5, 1976·43 cites·21 claims
- 0289US3985676ACatalyst composition and method for the preparation thereofNAT PETRO CHEM·Filed 1974·Granted Oct 12, 1976·41 cites·16 claims
- 0383US4049896AOlefin polymerization catalystNAT PETRO CHEM·Filed 1976·Granted Sep 20, 1977·26 cites·3 claims
- 0483US3960826AOlefin polymerization processNAT PETRO CHEM·Filed 1974·Granted Jun 1, 1976·26 cites·6 claims
- 0575US4053565ASilica xerogelsNAT PETRO CHEM·Filed 1974·Granted Oct 11, 1977·24 cites·2 claims
- 0671US4290914ACatalytic materials as for olefin polymerizationNAT PETRO CHEM·Filed 1980·Granted Sep 22, 1981·18 cites·2 claims
- 0770US4100104ACatalytic materials as for olefin polymerizationNAT PETRO CHEM·Filed 1977·Granted Jul 11, 1978·12 cites·10 claims
- 0868US4540755AInclusion of oxygen in the polymerization of olefinsNAT PETRO CHEM·Filed 1982·Granted Sep 10, 1985·18 cites·33 claims
- 0967US4276399ASupported catalyst from chromium for olefin polymerizationNAT PETRO CHEM·Filed 1979·Granted Jun 30, 1981·12 cites·6 claims
- 1066US4163723AContinuously operated liquid-solids separatorNAT PETRO CHEM·Filed 1977·Granted Aug 7, 1979·22 cites·17 claims
- 1165US4192775AOlefin polymerization catalystNAT PETRO CHEM·Filed 1978·Granted Mar 11, 1980·11 cites·12 claims
- 1263US4404340AProcess for polymerizing olefins in the presence of a titanium-phosphorus-chromium catalystNAT PETRO CHEM·Filed 1982·Granted Sep 13, 1983·12 cites·11 claims
- 1363US3967544AGrocery sack process and machineNAT PETRO CHEM·Filed 1974·Granted Jul 6, 1976·21 cites·21 claims
- 1459US4234453AOlefin polymerization catalystNAT PETRO CHEM·Filed 1976·Granted Nov 18, 1980·9 cites·13 claims
- 1555US4472531APolymerization catalyst and method of preparing the sameNAT PETRO CHEM·Filed 1981·Granted Sep 18, 1984·11 cites·11 claims
- 1654US4260706AOlefin polymerization catalystNAT PETRO CHEM·Filed 1979·Granted Apr 7, 1981·7 cites·6 claims
- 1754US4238353AOlefin polymerization catalystNAT PETRO CHEM·Filed 1979·Granted Dec 9, 1980·7 cites·15 claims
- 1854US4189402ASupported catalyst for olefin polymerizationNAT PETRO CHEM·Filed 1978·Granted Feb 19, 1980·7 cites·5 claims
- 1951US4328124AOlefin polymerization catalyst and processNAT PETRO CHEM·Filed 1981·Granted May 4, 1982·7 cites·11 claims
- 2050US4356294AProduction of polyolefins having improved ESCRNAT PETRO CHEM·Filed 1980·Granted Oct 26, 1982·9 cites·8 claims
- 2150US4297461AOlefin polymerization catalystNAT PETRO CHEM·Filed 1980·Granted Oct 27, 1981·7 cites·7 claims
- 2250US4150209ACatalytic materials as for olefin polymerizationNAT PETRO CHEM·Filed 1978·Granted Apr 17, 1979·5 cites·2 claims
- 2348US3978002ACatalyst useful for olefin polymerization processNAT PETRO CHEM·Filed 1974·Granted Aug 31, 1976·7 cites·6 claims
- 2447US4115318AOlefin polymerization catalystNAT PETRO CHEM·Filed 1977·Granted Sep 19, 1978·5 cites·16 claims
- 2545US4536489AHigh pore volume, high purity alumina gels containing a chromium catalystNAT PETRO CHEM·Filed 1983·Granted Aug 20, 1985·6 cites·3 claims
- 2639US4184028AOlefin Polymerization catalystNAT PETRO CHEM·Filed 1977·Granted Jan 15, 1980·3 cites·7 claims
- 2736US4252926AProcess for polymerizing olefins and polymerization catalysts used thereforNAT PETRO CHEM·Filed 1978·Granted Feb 24, 1981·2 cites·9 claims
- 2835US4379075AProcess for polymerizing high melt index olefins and polymerization catalysts used thereforeNAT PETRO CHEM·Filed 1981·Granted Apr 5, 1983·2 cites·7 claims
- 2935US4234709ACatalyst composition, method for producing same and method for polymerization of 1-olefins with sameNAT PETRO CHEM·Filed 1976·Granted Nov 18, 1980·2 cites·13 claims
- 3034US4312786AProcess for polymerizing olefins and polymerization catalysts used thereforNAT PETRO CHEM·Filed 1980·Granted Jan 26, 1982·2 cites·16 claims
- 3113US4155488AShot-feeding metering valveNAT PETRO CHEM·Filed 1977·Granted May 22, 1979·1 cites·9 claims
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