Description
WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID (compositions of bituminous materials C08L 95/00; carbon filaments by decomposition of organic filaments D01F 9/14)
C10C
Technology
Stats
- 362 US PATENTS IN FORCE
- 120 US APPLICATIONS PENDING
- 349 Total Patent Owners
- 1,762 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Working-up tar (obtaining hydrocarbon oils C10G ) |
| 1/02 | Working-up tar (obtaining hydrocarbon oils C10G ) Removal of water (by distillation C10C 1/06) |
| 1/04 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation |
| 1/06 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Removal of water |
| 1/08 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of aromatic fractions |
| 1/10 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of aromatic fractions benzene fraction |
| 1/12 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of aromatic fractions naphthalene fraction |
| 1/14 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of tar oils from tar |
| 1/16 | Working-up tar (obtaining hydrocarbon oils C10G ) by distillation Winning of pitch |
| 1/18 | Working-up tar (obtaining hydrocarbon oils C10G ) by extraction with selective solvents |
| 1/19 | Working-up tar (obtaining hydrocarbon oils C10G ) by thermal treatment not involving distillation |
| 1/20 | Working-up tar (obtaining hydrocarbon oils C10G ) Refining by chemical means |
| 3/00 | Working-up pitch, asphalt, bitumen |
| 3/02 | Working-up pitch, asphalt, bitumen by chemical means |
| 3/04 | Working-up pitch, asphalt, bitumen by chemical means by blowing or oxidising |
| 3/06 | Working-up pitch, asphalt, bitumen by distillation |
| 3/08 | Working-up pitch, asphalt, bitumen by selective extraction |
| 3/10 | Working-up pitch, asphalt, bitumen Melting |
| 3/12 | Working-up pitch, asphalt, bitumen Melting Devices therefor |
| 3/14 | Working-up pitch, asphalt, bitumen Solidifying; Disintegrating, e.g. granulating |
Recent Patents
Not Available
Recent Publications
Not Available
Top Owners in This Class
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Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)