Description
Class C10C : WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID
Subclass 1/08: Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of aromatic fractions
C10C 1/08
Sub-Class
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 2 Total Patent Owners
- 19 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9102884 | Hydroprocessed product | Aug 31, 12 | Aug 11, 15 | EXXONMOBIL CHEMICAL PATENTS INC. |
| 7722758 | Process for separating colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture | Oct 10, 05 | May 25, 10 | SHELL OIL COMPANY |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 32 Months (last 2 years Issuances)
- 32 Months (last 5 years Issuances)