US3035887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inhibiting bacterial activity in petroleum
Assignee: US Borax Inc
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Filing: 1960-03-08
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Granted: 1962-05-22
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Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 George W Willcockson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:12
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C10M; C10M1/00; C10M1/08; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
IN THE STORAGE OF PETROLEUM SUSCEPTIBLE TO MICROBIAL DEGRADATION, THE IMPROVEMENT WHICHCOMPRISES ADDING TO THE STORED PETROLEUM IN BACTERICAL AMOUNTS A LIQUID ALKALI METAL GLYCOL BORATE HAVING AN ALKYLENE GROUP OF 2 TO 6 CARBON ATOMS IN LENGTH AND CONTAINING A TOTAL OF 2 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
48 words
IN THE STORAGE OF PETROLEUM SUSCEPTIBLE TO MICROBIAL DEGRADATION, THE IMPROVEMENT WHICHCOMPRISES ADDING TO THE STORED PETROLEUM IN BACTERICAL AMOUNTS A LIQUID ALKALI METAL GLYCOL BORATE HAVING AN ALKYLENE GROUP OF 2 TO 6 CARBON ATOMS IN LENGTH AND CONTAINING A TOTAL OF 2 TO 20 CARBON ATOMS.
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |