Description
Class C10C : WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID
Subclass 1/20: Working-up tar (obtaining hydrocarbon oils C10G ) Refining by chemical means
C10C 1/20
Sub-Class
Stats
- 24 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 23 Total Patent Owners
- 194 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11530361 | Pyrolysis tar conversion | Oct 07, 21 | Dec 20, 22 | ExxonMobil Chemical Patents Inc. |
| 11168268 | Pyrolysis tar conversion | Dec 01, 17 | Nov 09, 21 | ExxonMobil Chemical Patents Inc. |
| 10752842 | Demetallization of hydrocarbons | Jun 30, 16 | Aug 25, 20 | Haldor Topsøe A/S |
| 9994775 | Process for producing mesophase pitch by hydrogenation of high-temperature coal tar | Apr 06, 12 | Jun 12, 18 | ECO ENVIRONMENTAL ENERGY RESEARCH INSTITUTE LIMITED; Dalian University of Technology; |
| 9809756 | Upgrading pyrolysis tar | Apr 03, 15 | Nov 07, 17 | EXXONMOBIL CHEMICAL PATENTS INC. |
| 9375656 | Slurry oil upgrading while preserving aromatic content | Jun 19, 14 | Jun 28, 16 | PHILLIPS 66 COMPANY |
| 9315420 | UV-shielding material based on Mg—Al layered double hydroxide and its application in anti-ageing asphalt | Feb 22, 12 | Apr 19, 16 | BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY, WUHAN UNIVERSITY OF TECHNOLOGY, |
| 8951405 | Upgrading of asphaltene-depleted crudes | Jun 01, 12 | Feb 10, 15 | EXXONMOBIL RESEARCH AND ENGINEERING COMPANY |
| 8828348 | Reduced puffing needle coke from coal tar | Jul 21, 11 | Sep 09, 14 | GRAFTECH INTERNATIONAL HOLDINGS INC. |
| 7815791 | Process and apparatus for using steam cracked tar as steam cracker feed | Apr 30, 08 | Oct 19, 10 | EXXONMOBIL CHEMICAL PATENTS INC. |
| 7772145 | Manufacture of environmentally friendly carbon-bonded refractory product in the cold mixing process | Jan 11, 05 | Aug 10, 10 | Rütgers Chemicals AG, Rütgers Chemicals AG, |
| 7736469 | Production of hydrocarbon fuel | Nov 19, 04 | Jun 15, 10 | ENVIRONMENTAL FUEL SYSTEMS LIMITED (FORMERLY ORRAN VENTURES LIMITED), ENVIRONMENTAL FULES LTD, TAYLOR, JOHN, |
| 7625466 | System for the decontamination of asphaltic heavy oil and bitumen | May 16, 06 | Dec 01, 09 | TECHNOECONOMICS INC., Value Creation Inc., |
| 6402934 | Recovery and transportation of heavy crude oils | Feb 28, 00 | Jun 11, 02 | ROHM AND HAAS COMPANY |
| 6325986 | Method for reducing hydrogen chloride emissions from air-blown asphalt | Sep 21, 00 | Dec 04, 01 | OWENS CORNING INTELLECTUAL CAPITAL, LLC |
| 6319392 | Coal tar extract with reduced aromatic hydrocarbon content, method for obtaining same and dermatological and cosmetic compositions | Sep 10, 99 | Nov 20, 01 | PIERRE FABRE DERMO-COSMETIQUE |
| 6245217 | Regenerative thermal oxidation system for treating asphalt vapors | May 24, 99 | Jun 12, 01 | OWENS CORNING INTELLECTUAL CAPITAL, LLC |
| 6168708 | Method for recovery and recycling of hydrocarbon residue | Apr 22, 99 | Jan 02, 01 | ATLANTIC RICHFIELD COMPANY |
| 6162410 | Method for reducing hydrogen chloride emissions from air-blown asphalt | Dec 30, 98 | Dec 19, 00 | Owens-Corning Fiberglas Corporation, OWENS CORNING INTELLECTUAL CAPITAL, LLC, |
| 6036473 | Heavy oil emulsified fuel combustion apparatus | Mar 31, 98 | Mar 14, 00 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0148,652 | DEMETALLIZATION OF HYDROCARBONS | Jun 30, 16 | May 31, 18 | Haldor Topsøe A/S |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)