Description
Class C10C : WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID
Subclass 1/14: Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of tar oils from tar
C10C 1/14
Sub-Class
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 18 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10640712 | Methods for retrieving, reclaiming, or recycling petroleum-based products and byproducts | May 18, 18 | May 05, 20 | Not available |
| 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; |
| 8083930 | VPS tar separation | Jul 25, 07 | Dec 27, 11 | EXXONMOBIL CHEMICAL PATENTS INC. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 50 Months (last 2 years Issuances)
- 50 Months (last 5 years Issuances)