Assignee
HALCON RES & DEV
51 granted patents·815 citations·filing 1977–1981
Top patents by PatentIndex Score
51 records- 0197US4263448AProcess for oxidation of hydrocarbonsHALCON RES & DEV·Filed 1979·Granted Apr 21, 1981·91 cites·5 claims
- 0294US4271040ACatalyst and process for producing methacrylic acidHALCON RES & DEV·Filed 1979·Granted Jun 2, 1981·33 cites·19 claims
- 0394US4140588APurification of propylene oxide by extractive distillationHALCON RES & DEV·Filed 1977·Granted Feb 20, 1979·56 cites·6 claims
- 0491US4252741ACarbonylation with Group VIII noble metal catalystsHALCON RES & DEV·Filed 1978·Granted Feb 24, 1981·33 cites·5 claims
- 0590US4134797AProcess for recovery of ethylene oxide containing low levels of aldehydic impuritiesHALCON RES & DEV·Filed 1978·Granted Jan 16, 1979·65 cites·31 claims
- 0688US4207424ACatalytic process for dehydration of alcoholsHALCON RES & DEV·Filed 1978·Granted Jun 10, 1980·52 cites·11 claims
- 0787US4241219ATreatment of carbonylation effluentHALCON RES & DEV·Filed 1979·Granted Dec 23, 1980·24 cites·5 claims
- 0886US4151116APreparation of maleic anhydrideHALCON RES & DEV·Filed 1977·Granted Apr 24, 1979·56 cites·9 claims
- 0983US4252748ARecovery of acetone produced by carbonylationHALCON RES & DEV·Filed 1978·Granted Feb 24, 1981·16 cites·4 claims
- 1082US4234719APreparation of cellulose acetateHALCON RES & DEV·Filed 1979·Granted Nov 18, 1980·17 cites·5 claims
- 1181US4245114AGlycol ester preparationHALCON RES & DEV·Filed 1978·Granted Jan 13, 1981·20 cites·7 claims
- 1280US4266070ACatalytic process for the manufacture of urethanesHALCON RES & DEV·Filed 1979·Granted May 5, 1981·13 cites·15 claims
- 1380US4260821AMinimizing polymerization during recovery of methacrylic acidHALCON RES & DEV·Filed 1979·Granted Apr 7, 1981·27 cites·2 claims
- 1480US4258201AProcess for the manufacture of carbamatesHALCON RES & DEV·Filed 1979·Granted Mar 24, 1981·13 cites·37 claims
- 1579US4260781AProcess for the manufacture of carbamatesHALCON RES & DEV·Filed 1979·Granted Apr 7, 1981·13 cites·14 claims
- 1679US4244878APreparation of maleic anhydrideHALCON RES & DEV·Filed 1978·Granted Jan 13, 1981·17 cites·9 claims
- 1778US4263443AConversion of aldehydesHALCON RES & DEV·Filed 1978·Granted Apr 21, 1981·11 cites·2 claims
- 1878US4192814AProcess for catalytic conversion of thallium (I) to thallium (III)HALCON RES & DEV·Filed 1978·Granted Mar 11, 1980·10 cites·9 claims
- 1978US4147721AProcess for recovering methacrylic acidHALCON RES & DEV·Filed 1978·Granted Apr 3, 1979·32 cites·12 claims
- 2076US4273622AMethod of treating alpha-methylbenzylalcohol dehydration productsHALCON RES & DEV·Filed 1979·Granted Jun 16, 1981·11 cites·10 claims
- 2175US4234519ARecovery of methacroleinHALCON RES & DEV·Filed 1979·Granted Nov 18, 1980·10 cites·5 claims
- 2272US4251458AProcess for preparing carboxylic acid anhydridesHALCON RES & DEV·Filed 1979·Granted Feb 17, 1981·8 cites·10 claims
- 2371US4261858ACatalyst for producing methacrylic acidHALCON RES & DEV·Filed 1979·Granted Apr 14, 1981·18 cites·1 claims
- 2471US4252683ACatalyst for producing methacrylic acidHALCON RES & DEV·Filed 1978·Granted Feb 24, 1981·17 cites·2 claims
- 2571US4234718AProcess for preparing cellulose acetateHALCON RES & DEV·Filed 1979·Granted Nov 18, 1980·13 cites·6 claims
- 2670US4242520APromoted method for producing carbamatesHALCON RES & DEV·Filed 1979·Granted Dec 30, 1980·8 cites·12 claims
- 2769US4246195APurification of carbonylation productsHALCON RES & DEV·Filed 1978·Granted Jan 20, 1981·10 cites·4 claims
- 2869US4238551AComposition for inhibiting corrosion of titaniumHALCON RES & DEV·Filed 1979·Granted Dec 9, 1980·13 cites·4 claims
- 2966US4169809AExtractive purification of carboxylic acids containing monovalent and trivalent thallium carboxylatesHALCON RES & DEV·Filed 1978·Granted Oct 2, 1979·11 cites·8 claims
- 3064US4151048ARecovery of alkylene glycols by azeotropic distillationHALCON RES & DEV·Filed 1977·Granted Apr 24, 1979·6 cites·4 claims
- 3162US4284585AProcess for the preparation of acetic anhydrideHALCON RES & DEV·Filed 1979·Granted Aug 18, 1981·5 cites·7 claims
- 3262US4208539AHydrogenation of acetophenone using barium-copper chromite-zincHALCON RES & DEV·Filed 1979·Granted Jun 17, 1980·15 cites·2 claims
- 3360US4302611APreparation of acetaldehydeHALCON RES & DEV·Filed 1980·Granted Nov 24, 1981·6 cites·6 claims
- 3458US4187153AProduction of alkylene glycolsHALCON RES & DEV·Filed 1977·Granted Feb 5, 1980·5 cites·16 claims
- 3557US4335059APreparation of carboxylic acid anhydridesHALCON RES & DEV·Filed 1980·Granted Jun 15, 1982·12 cites·4 claims
- 3653US4092132ARecovery of methacroleinHALCON RES & DEV·Filed 1977·Granted May 30, 1978·3 cites·3 claims
- 3748US4271090ANovel 2-bromoethyl tellurium bromidesHALCON RES & DEV·Filed 1979·Granted Jun 2, 1981·2 cites·7 claims
- 3847US4284586AProcess for the preparation of acetic anhydrideHALCON RES & DEV·Filed 1979·Granted Aug 18, 1981·2 cites·5 claims
- 3945US4166097AExtractive recovery of trivalent thallium values from aqueous solutionsHALCON RES & DEV·Filed 1978·Granted Aug 28, 1979·5 cites·16 claims
- 4044US4335058APreparation of carboxylic acid anhydridesHALCON RES & DEV·Filed 1981·Granted Jun 15, 1982·6 cites·4 claims
- 4143US4290959APreparation of propylene oxideHALCON RES & DEV·Filed 1980·Granted Sep 22, 1981·2 cites·14 claims
- 4243US4169099ACatalyst and process for producing ethylene oxideHALCON RES & DEV·Filed 1978·Granted Sep 25, 1979·5 cites·8 claims
- 4342US4169070ACatalyst and process for producing unsaturated acids by using sameHALCON RES & DEV·Filed 1978·Granted Sep 25, 1979·5 cites·3 claims
- 4440US4261859ACatalyst for producing methacrylic acidHALCON RES & DEV·Filed 1979·Granted Apr 14, 1981·4 cites·1 claims
- 4538US4191710ATreatment of methacrolein-containing gasesHALCON RES & DEV·Filed 1977·Granted Mar 4, 1980·1 cites·2 claims
- 4635US4153806ARecovery of vicinal glycol esters by plural stage distillationHALCON RES & DEV·Filed 1977·Granted May 8, 1979·6 cites·16 claims
- 4735US4139594AProcess for extracting trivalent thallium values from aqueous solutionsHALCON RES & DEV·Filed 1978·Granted Feb 13, 1979·3 cites·16 claims
- 4832US4261860ACatalyst for producing methacrylic acidHALCON RES & DEV·Filed 1979·Granted Apr 14, 1981·1 cites·1 claims
- 4932US4252681ACatalyst for producing methacrylic acidHALCON RES & DEV·Filed 1978·Granted Feb 24, 1981·1 cites·2 claims
- 5032US4252682ACatalyst for producing methacrylic acidHALCON RES & DEV·Filed 1978·Granted Feb 24, 1981·1 cites·2 claims
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