US3246023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ester of an alpha-sulfocarboxylic acid and a polyalkyleneoxide glycol ether
Assignee: Baker Petrolite LLC
•
Filing: 1962-05-03
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Granted: 1966-04-12
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Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Shen Kwan-Ting
- 👤 Patrick M Quinlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:20
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/17; A; A01; A01N; A01N25/00; A01N25/30; C09; C09K; C09K8/00; C09K8/60; C09K8/602; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/163; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/065; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A CARBOXYLIC ESTER OF (1) AN A-SULFOCARBOXYLIC ACID AND (2) A POLYALKYLENE OXIDE GLYCOL MONOETHER WHERE THE A-SULFO CARBOXYLIC ACID IS
Claim 2
Dependent Claim
21 words
A CARBOXYLIC ESTER OF (1) AN A-SULFOCARBOXYLIC ACID AND (2) A POLYALKYLENE OXIDE GLYCOL MONOETHER WHERE THE A-SULFO CARBOXYLIC ACID IS
References Cited (Backward Citations)
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Cited
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Cited
US2800500A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |