US4393203B2
Expired / Lapsed
US
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Process of preparing alkylpolysaccharides
Assignee: Procter and Gamble Co
•
Filing: 1982-04-26
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Granted: 1997-07-01
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Expires: 2002-04-26
Abstract
No abstract record available.
Inventors
- 👤 Mark H K Mao
- 👤 Larry E Miller
- 👤 John M Weeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:47
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/04; C08; C08B; C08B37/00; C11; C11D; C11D1/00; C11D1/66; C11D1/662; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-06-30 | 2000-12-30 | 2001-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-06-30 | 2004-12-30 | 2005-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-06-30 | 2008-12-30 | 2009-07-01 | $7700.00 | Window Closed / Lapsed |