Patent US4088611A successfully refreshed from Google Patents.
US4088611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Builder for detergent
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1975-10-17
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Granted: 1978-05-09
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Expires: 1995-10-17
Abstract
Abstract Builder for detergent containing imidobissulfates.
Inventors
- 👤 Hiroshi Suzuki
- 👤 Yukio Ito
- 👤 Yosiro Yasumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:17
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A detergent composition consisting essentially of a synthetic detergent and, as a builder for the detergent, an imidobissulfate having the formula (NaSO 3 ) 2 N · Na, said builder being present in an amount of from 20 to 500 parts by weight per 100 parts of the detergent.
Claim 2
Dependent Claim
49 words
A detergent composition consisting essentially of a synthetic detergent and, as a builder for the detergent, an imidobissulfate having the formula (NaSO 3 ) 2 N · Na, said builder being present in an amount of from 20 to 500 parts by weight per 100 parts of the detergent.
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) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |