Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 585/502
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By addition of entire unsaturated molecules, e.g., polymerization, etc.
Description: Subject matter wherein at least two hydrocarbon molecules, each having a double or triple bond, join to form an unsaturated compound having a molecular weight which equals the total of the molecular weight of the additive (monomer) molecules.

Sub-classes under this class:

Class Number Class Name Patents
585/510 Definite molecular weight product, e.g., dimer, etc. 326
585/517 Plural serial polymerization stages 92
585/506 Poly-double-bond product 49
585/505 Triple-bond product 25
585/520 Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. 379
585/503 With heat conservation or using apparatus of recited composition 17
585/518 With preliminary treatment of feed 72
585/504 With specified procedure for recycle of nonhydrocarbon 21

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8704021 Process for increasing weight of olefins Apr. 22, 2014
8691713 Molecular sieve catalyst treatment Apr. 8, 2014
8664460 Oligomerisation with indium (III) chloride Mar. 4, 2014
8642814 Methods of converting mixtures of palmitoleic and oleic acid esters to high value products Feb. 4, 2014
8575410 Process for oligomerizing dilute ethylene Nov. 5, 2013
8552241 Method of converting ethanol to base stock for diesel fuel Oct. 8, 2013
8536391 Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends Sep. 17, 2013
8513478 Process to produce polyalphaolefins Aug. 20, 2013
8502006 Dimerization process Aug. 6, 2013
8487153 Selective olefin dimerization with supported metal complexes activated by alkylaluminum compounds or ionic liquids Jul. 16, 2013
8481796 Olefin oligomerization and compositions therefrom Jul. 9, 2013
8481444 Catalyst composition for oligomerization of ethylene oligomerization process and method for its preparation Jul. 9, 2013
8471084 Process for increasing weight of olefins Jun. 25, 2013
8471086 Process to control product selectivity Jun. 25, 2013
8461406 Oligomerisation of olefinic compounds in the presence of a diluted metal containing activator Jun. 11, 2013
8440872 Process for preparing poly alpha olefins and lubricant basestocks from Fischer-Tropsch liquids May. 14, 2013
8415519 Methods for determining efficacy of metal oxide co-catalysts for oxygenates-to-olefins reactions Apr. 9, 2013
8404915 Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations Mar. 26, 2013
8309779 Ethylene oligomerization catalyst systems having enhanced selectivity Nov. 13, 2012
8309780 Process for making olefin oligomers and alkyl benzenes in the presence of mixed metal oxide catalysts Nov. 13, 2012
8299312 Process for dimerizing olefins Oct. 30, 2012
8269055 Method for deactivation of an organometallic catalyst and reactor system therefor Sep. 18, 2012
8258361 Transition metal complex compounds, olefin oligomerization catalysts including the compounds, and processes for producing olefin oligomers using the catalysts Sep. 4, 2012
8222469 Catalysts and processes for the formation of terminal olefins by ethenolysis Jul. 17, 2012
8207387 Integrated dimethyl ether recovery from an oxygenate-to-olefins process and production of polypropylene Jun. 26, 2012
8207390 Process to produce low viscosity poly-alpha-olefins Jun. 26, 2012
8203025 Solid phosphoric acid catalyst and methods of olefin dimerization reaction with the same Jun. 19, 2012
8198497 Catalytic composition and process for the selective oligomerization of ethylene to light linear alpha-olefins Jun. 12, 2012
8188327 Isooctene/isooctane process May. 29, 2012
8178740 Olefin upgrading process May. 15, 2012
8143467 Process for synthetic lubricant production Mar. 27, 2012
8124820 Process for the manufacture of polyolefins Feb. 28, 2012
8119850 Process for producing unsaturated hydrocarbon compound Feb. 21, 2012
8115042 Oligomerisation of olefins Feb. 14, 2012
8093439 Method for oligomerization and/or polymerization of ethylene with flushing of equipment and piping Jan. 10, 2012
8076523 Oligomerisation in the presence of both a tetramerisation catalyst and a further oligomerisation catalyst Dec. 13, 2011
8076524 Process for generating alpha olefin comonomers Dec. 13, 2011
8071835 Process to produce polyolefins using metallocene catalysts Dec. 6, 2011
8058497 Reducing deleterious effects of aldehydes in oxygenates to olefins reactions with catalysts containing basic metal oxides Nov. 15, 2011
8049052 System and method of deactivating and quenching an oligomerization catalyst Nov. 1, 2011
8003839 Process for generating linear apha olefin comonomers Aug. 23, 2011
7989670 Process to produce high viscosity fluids Aug. 2, 2011
7989668 Lowering nitrogen-containing Lewis bases in molecular sieve oligomerisation Aug. 2, 2011
7982085 In-line process for generating comonomer Jul. 19, 2011
7956227 Oligomerization of hydrocarbons Jun. 7, 2011
7915466 Process for the conversion of natural gas to hydrocarbon liquids Mar. 29, 2011
7915465 Process for the conversion of natural gas to hydrocarbon liquids Mar. 29, 2011
7915464 Process for the conversion of natural gas to hydrocarbon liquids Mar. 29, 2011
7915463 Process for the conversion of natural gas to hydrocarbon liquids Mar. 29, 2011
7915462 Process for the conversion of natural gas to hydrocarbon liquids Mar. 29, 2011

1 2 3 4

  Recently Added Patents
Signal apparatus for facilitating safe backup of vehicles
Human and mouse targeting peptides identified by phage display
Magnetic reading and writing device
Anthranilic diamide compositions for propagle coating
Organic light-emitting display and method of manufacturing the same
Epitaxial substrate for electronic device, in which current flows in lateral direction and method of producing the same
Differentiated PSIP table update interval technology
  Randomly Featured Patents
Pick up cap for LGA connector assembly
Rotary pulse switch
Oven and method for baking moldings by means of air heating
Method for calculating a print medium pick time for an imaging apparatus that transports print media at variable speeds
Bench mount apparatus for remote tool head
Horizontal adjustable pad for a window curtain rail
Silver halide photograhic material
Apparatus for low temperature storage of biological or pharmaceutical samples
Air purifying and moistening apparatus