| Patent Number |
Title Of Patent |
Date Issued |
| 4663304 |
Acid-treated catalysts for olefin conversion and method for preparing the catalysts |
May 5, 1987 |
| A process for the disproportionation of olefins is disclosed employing a novel catalyst comprising an inorganic oxide support contacted with at least one of tungsten or molybdenum oxide or oxide precursor and at least one acid. Method for preparation of catalyst is also provided. |
| 4575575 |
Catalysts and process for olefin conversion |
March 11, 1986 |
| A process for disproportionation of olefins is disclosed employing a novel catalyst comprising a silica support treated with an oxide or oxide precursor of tungsten and a Group I oxide or compound convertible to the oxide in admixture with a double bond isomerization catalyst. |
| 4559320 |
Catalysts for olefin conversions |
December 17, 1985 |
| The disproportionation/skeletal isomerization of olefins can be carried out with high conversions and selectivity in the presence of catalyst compositions containing Group IIA and at least one of Group VIB and rhenium components. |
| 4542249 |
Olefin conversions and catalysts |
September 17, 1985 |
| The disproportionation/skeletal isomerization of olefins can be carried out with high conversions and selectivity in the presence of catalyst compositions containing Group IIA and at least one of Group VIB and rhenium components. |
| 4520222 |
Polymerization catalyst and deodorizing agent and process of use |
May 28, 1985 |
| Calcium silicate treated with an acid can be used as a polymerization catalyst or as a deodorizing agent. The acid is sulfuric acid, phosphoric acid or nitric acid. |
| 4491563 |
Process for deodorizing a paraffinic hydrocarbon feedstock |
January 1, 1985 |
| A hydrocarbon feedstock containing at least one paraffin hydrocarbon and an odor-causing impurity is deodorized by contact with a deodorizing agent. The deodorizing agent is a mixture of nickel oxide and a rare earth metal oxide and the odor-causing impurity is from the group consisting |
| 4431855 |
Reduced polymer formation in disproportionation reaction by addition of CO to feed |
February 14, 1984 |
| In an olefin disproportionation reaction, the formation of undesirable polymer is inhibited by the inclusion of a small amount of carbon monoxide in the feed. |
| 4425226 |
Polymerization catalyst and deodorizing agent |
January 10, 1984 |
| Calcium silicate treated with an acid can be used as a polymerization catalyst or as a deodorizing agent. The acid is sulfuric acid, phosphoric acid or nitric acid. |
| 4351980 |
Removal of olefin from aliphatic hydrocarbon by treatment with active solid |
September 28, 1982 |
| Hydrocarbon, suitable for use as propellant, is contacted with a solid effective to remove odor-forming impurity therefrom. Hydrocarbons include isobutene-containing stream also containing minor proportions of unsaturated hydrocarbon, e.g. ethylene, propylene, isobutylene, and 2-bute |
| 4292279 |
Production of high purity uranium compounds from crude yellow cake |
September 29, 1981 |
| High purity ammonium uranyl tricarbonate is produced from crude plant yellow cake by treatment of the yellow cake with a mineral acid, neutralization of the acidic solution with a conversion of the uranium therein to ammonium uranyl tricarbonate, precipitation of the ammonium uranyl |
| 4288496 |
Silicone polymer-based release coating agents having organic titanates as stabilizers and tapes |
September 8, 1981 |
| Variable strength release coating compositions for use with adhesive tape or film comprise low release strength silicone-based polymers, a high release strength silicone-based polymer, a dihydroxyterminated polymer of a conjugated diene, an organotin or other metal catalyst, and an organ |
| 4279621 |
Polyamines mixture for stabilizing certain hydrocarbons against oxidation |
July 21, 1981 |
| Hydrocarbon-containing materials having a low amount of unsaturation e.g., paraffinic and napththenic hydrocarbons having less than about 10 weight percent unsaturation are stabilized or made more resistant to oxidation employing a polyamines mixture obtained as a heavy by-product residu |
| 4261876 |
Polysilicones-polybutadienediol blends as release coatings |
April 14, 1981 |
| A release coating composition for use with, for example, adhesive tapes, comprising a low release strength silicone-based polymer, a high release strength silicone-based polymer, a metal salt of a carboxylic acid, and a dihydroxyterminated polymer of a conjugated diene. The relative amou |
| 4215017 |
Catalyst for disproportionation/double-bond isomerization of olefins |
July 29, 1980 |
| Double bond isomerization and disproportionation of olefins is obtained by contact with a catalyst in a single-stage composition containing a support, uranium, and at least one of tungsten, molybdenum, or rhenium. |
| 4180524 |
Disproportionation/double-bond isomerization of olefins |
December 25, 1979 |
| Double bond isomerization and disproportionation of olefins is obtained by contact with a catalyst in a single-stage composition containing a support, uranium, and at least one of tungsten, molybdenum, or rhenium. |
| 4164140 |
Method and apparatus for measuring material properties related to strength |
August 14, 1979 |
| Material properties related to strength are measured, using a force measuring device in cooperation with a testing device which is placed in contact with the material being measured while the material being measured is in a molten state, the testing device being such that the molten |
| 4158371 |
Asphalt and rubber comprising composition |
June 19, 1979 |
| A pipe coating composition is provided having good crack resistance properties that consists essentially of about 50 to 70 wt. % mineral aggregate, about 15 to 35 wt. % finely divided mineral filler, about 5 to 20 wt. % asphalt, about 0.05 to 7 wt. % of a rubbery radial teleblock cop |
| 4151344 |
Release substrate |
April 24, 1979 |
| A selected polymethyldihydroxysiloxane, a polymethylhydrosiloxane, a tetraalkyl titanate, and a low molecular weight, silicate-derived polymer are compounded to produce a release coating having significantly improved properties. A method for compositing an adhesive-coated material and a |
| 4138516 |
Pipe coating composition |
February 6, 1979 |
| A pipe coating composition consisting essentially of a binder, mineral aggregates, a finely divided mineral filler and synthetic organic fibers exhibits improved cracking time as compared to a pipe coating composition containing glass fibers instead of the organic fibers. |
| 4131561 |
Azeotropic compositions |
December 26, 1978 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
| 4131560 |
Azeotropic compositions |
December 26, 1978 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
| 4131559 |
Azeotropic compositions |
December 26, 1978 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
| 4129541 |
Asphaltic compositions containing conjugated diene-monovinyl-substituted aromatic hydrocarbon co |
December 12, 1978 |
| An asphaltic composition having low temperature flexibility and resistance to stress cracking, shearing or adhesive failure is prepared using conjugated diene-monovinyl substituted aromatic hydrocarbon copolymers prepared in absence of polar-type randomizers, e.g., tetrahydrofuran, or |
| 4115335 |
Asphalt and rubber comprising composition |
September 19, 1978 |
| A pipe coating composition is provided having good crack resistance properties that consists essentially of about 50 to 70 wt. % mineral aggregate, about 15 to 35 wt. % finely divided mineral filler, about 5 to 20 wt. % asphalt, about 0.05 to 7 wt. % of a rubbery radial teleblock cop |
| 4092262 |
Azeotropic compositions |
May 30, 1978 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
| 4070299 |
Azeotropic compositions |
January 24, 1978 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
| 4052219 |
Pipe coating composition |
October 4, 1977 |
| A pipe coating composition consisting essentially of a binder, mineral aggregates, a finely divided mineral filler and synthetic organic fibers exhibits improved cracking time as compared to a pipe coating composition containing glass fibers instead of the organic fiber. |
| 4035258 |
Azeotropic compositions |
July 12, 1977 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
| 3971810 |
Solid pesticidal chlorinated phenolic concentrates |
July 27, 1976 |
| A chlorinated phenolic concentrate in the form of a solid solution is formed by melting a carrier, which is a solid at normal ambient temperatures, dissolving a solid chlorinated phenolic derivative therein and cooling the resultant mixture. |
| 3957530 |
Ternary azeotropic paint stripping compositions |
May 18, 1976 |
| Constant boiling admixtures are formed with 1,2-dichloro-1-fluoroethane, acetone, and methanol and applied to painted surfaces to remove paint therefrom. |
| 3936387 |
Azeotrope of 1,2-dichloro-1-fluoroethane and methanol |
February 3, 1976 |
| This invention relates to azeotropic compositions of 1,2-dichloro-1-fluoroethane or of 1,2-dichloro-1,2-difluoroethane with certain alcohols, ethers, or ketones. |
