Patent US3308161A successfully refreshed from Google Patents.
US3308161A
Expired / Lapsed
US
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Alkali metal-dimethyl dodecyl amine salts of oxyacids of phosphorous and sulfur
Assignee: Baker Petrolite LLC
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Filing: 1962-05-21
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Granted: 1967-03-07
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:50
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/26; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE INORGANIC AMINE SALT CONSISTING OF THE REACTION PRODUCT FORMED BY REACTING (1) AN ALKALI METAL SALT OF PHOSPHOROUS ACID, PHOSPHORIC ACID, SULFUROUS ACID OR SULFURIC ACID AND (2) DIMETHYL DODECYL AMINE.
Claim 2
Dependent Claim
32 words
THE INORGANIC AMINE SALT CONSISTING OF THE REACTION PRODUCT FORMED BY REACTING (1) AN ALKALI METAL SALT OF PHOSPHOROUS ACID, PHOSPHORIC ACID, SULFUROUS ACID OR SULFURIC ACID AND (2) DIMETHYL DODECYL AMINE.
References Cited (Backward Citations)
US1701265A
Cited
US1860560A
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US1836047A
Cited
US2118674A
Cited
US3068288A
Cited
US3160657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |