US3046272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysaccharide-sultone reaction products
Assignee: Scholtens Chemische Fabrieken NV
•
Filing: 1959-11-23
•
Granted: 1962-07-24
•
Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Strating Jan
- 👤 Moes Geert
- 👤 Vogel Willem Freerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:47
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/08; C08B31/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A MEMBER OF THE GROUP CONSISTING OF POLYSACCHARIDE ETHER SULFONIC ACID AND THE ALKALI METAL SALTS THEREOF, SAID POLYSACCHARIDE ETHER SULFONIC ACID CONSISTING FROM THE OF THE REACTION PRODUCT OF A SULTONR, BUTANE AULTONE, GROUP CONSISTING OF PROPANE SULTONE, BUTANE, SULTONE, BENZYL SULTONE AND TOTYL SULTONE, AND A POLYSACCHARIDE SELECTED FROM THE GROUP CONSISTING OF STARCH AND NATURAL PLANT HYDRO-COLLOIDS.
Claim 2
Dependent Claim
60 words
A MEMBER OF THE GROUP CONSISTING OF POLYSACCHARIDE ETHER SULFONIC ACID AND THE ALKALI METAL SALTS THEREOF, SAID POLYSACCHARIDE ETHER SULFONIC ACID CONSISTING FROM THE OF THE REACTION PRODUCT OF A SULTONR, BUTANE AULTONE, GROUP CONSISTING OF PROPANE SULTONE, BUTANE, SULTONE, BENZYL SULTONE AND TOTYL SULTONE, AND A POLYSACCHARIDE SELECTED FROM THE GROUP CONSISTING OF STARCH AND NATURAL PLANT HYDRO-COLLOIDS.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |