US3274012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric composition comprising hexose sugar and alkali metal salts
Assignee: Dow Chemical Co
•
Filing: 1964-12-04
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Granted: 1966-09-20
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Ronald H Cooper
- 👤 Robert D Goodenough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:30
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; C; C08; C08B; C08B37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COMPOSITION FOR THE PREPARATION OF A NON-HYGROSCOPIC THERMOSETTING POLYMER WHICH COMPRISES; A MIXTURE OF FROM ABOUT 55 TO ABOUT 65 PARTS BY WEIGHT OF A HEXOSE SACCHARIDE SUGAR AND FROM ABOUT 45 TO ABOUT 35 PARTS BY WEIGHT OF AN ACIDIC SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYDROGEN SULFATES AND MONO-SUBSITUTED ALKALI METAL ORTHOPHOSPHATES, AND WATER FROM ABOUT 20 TO ABOUT 40 WEIGHT PERCENT AS BASED ON THE TOTAL COMPOSITION WEIGHT.
Claim 2
Dependent Claim
75 words
A COMPOSITION FOR THE PREPARATION OF A NON-HYGROSCOPIC THERMOSETTING POLYMER WHICH COMPRISES; A MIXTURE OF FROM ABOUT 55 TO ABOUT 65 PARTS BY WEIGHT OF A HEXOSE SACCHARIDE SUGAR AND FROM ABOUT 45 TO ABOUT 35 PARTS BY WEIGHT OF AN ACIDIC SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL HYDROGEN SULFATES AND MONO-SUBSITUTED ALKALI METAL ORTHOPHOSPHATES, AND WATER FROM ABOUT 20 TO ABOUT 40 WEIGHT PERCENT AS BASED ON THE TOTAL COMPOSITION WEIGHT.
References Cited (Backward Citations)
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |