US2844547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous textile printing extenders comprising a galactomannan, a water soluble ferrous salt, method of preparing and textile fabric treated therewith
Assignee: Sherwin Williams Co
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Filing: 1956-04-04
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Granted: 1958-07-22
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Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Frank A Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:57
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; Y; Y10; Y10T; Y10T442/00; Y10T442/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A COMPOSITION OF MATTER COMPRISING AN AQUEOUS DISPERSION OF A WATER DISPERSIBLE GALACTOMANNAN PRODUCED FROM SEED ENDOSPERMS OF THE PLANT FAMILY LEGUMINOSAE, SAID AQUEOUS DISPERSION CONTAINING FROM ABOUT 2% TO ABOUT 8% BY WEIGHT OF SAID GALACTOMANNAN, AND ALSO CONTAINING FROM ABOUT 0.4% TO ABOUT 10% BY WEIGHT OF THE DRY GALACTOMANNAN OF A WATER-SOLUBLE FERROUS SALT.
Claim 2
Dependent Claim
57 words
A COMPOSITION OF MATTER COMPRISING AN AQUEOUS DISPERSION OF A WATER DISPERSIBLE GALACTOMANNAN PRODUCED FROM SEED ENDOSPERMS OF THE PLANT FAMILY LEGUMINOSAE, SAID AQUEOUS DISPERSION CONTAINING FROM ABOUT 2% TO ABOUT 8% BY WEIGHT OF SAID GALACTOMANNAN, AND ALSO CONTAINING FROM ABOUT 0.4% TO ABOUT 10% BY WEIGHT OF THE DRY GALACTOMANNAN OF A WATER-SOLUBLE FERROUS SALT.
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |