US4808535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acinetobacter species and its use in removing organic sulfur compounds
Assignee: Atlantic Research Corp
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Filing: 1986-08-05
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Granted: 1989-02-28
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Expires: 2006-08-05
Abstract
Abstract A novel mutant microorganism Acinetobacter species CB2 having a registry number ATCC #53515 has been produced by chemical mutagenesis and is effective in removing organic sulfur compounds from carbonaceous materials such as fossil fuels e.g., coal, petroleum and petroleum products.
Inventors
- 👤 Jenefir D. Isbister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
C; C10; C10G; C10G32/00; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12R; C12R2001/00; C12R2001/01
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
15 words
A biologically pure microorganism having all the identifying characteristics of Acinetobacter species CBS ATCC #53515.
Claim 2
Dependent Claim
15 words
A biologically pure microorganism having all the identifying characteristics of Acinetobacter species CBS ATCC #53515.
Claim 3
Dependent Claim
15 words
A biologically pure culture of mutant Acinetobacter species CB2 ATCC #53515, mutants or variants thereof.
Claim 4
Dependent Claim
15 words
A biologically pure culture of mutant Acinetobacter species CB2 ATCC #53515, mutants or variants thereof.
Claim 5
Dependent Claim
24 words
A process for removing organic sulfur compounds from a carbonaceous substrate comprising treating said substrate with a culture of Acinetobacter species CB2 ATCC #53515.
Claim 6
Dependent Claim
24 words
A process for removing organic sulfur compounds from a carbonaceous substrate comprising treating said substrate with a culture of Acinetobacter species CB2 ATCC #53515.
Claim 7
Dependent Claim
11 words
The process of claim 3 in which the substrate is coal.
Claim 8
Dependent Claim
14 words
The process of claim 3 in which the substrate is petroleum and/or products thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |