US3849395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degraded modified seaweed extractive and compositions containing same and their production
Assignee: Marine Colloids Inc
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Filing: 1971-08-25
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Granted: 1974-11-19
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Expires: 1991-08-25
Abstract
Abstract 1. A DEGRADED MODIFIED SULFATED HYDROCOLLOID SELECTED FROM THE GROUP CONSISTING OF KAPPA-CARRAGEENAN, FURCELLA RAN, AND IOTA-CARRAGEENAN WHICH CONSISTS ESSENTIALLY OF GLYCOOSIDICALLY LINKED HEXOSE GROUPS IN THE FORM OF 3,6ANHYDRO-D-GALACTOSE GROUPS AND D-GALACTOSE GROUPS CONTAINING SULFATE TO THE EXTENT OF 12% TO 35% BY WEIGHT OF SAID HYDROCOLLOID, SAID HYDROCOLLOID BEING CHARACTERIZED IN THAT THE RATIO OF 3,5-ANHYDRO-GALACTOSE GROUPS TO GALACTOSE GROUPS IS FROM 0.8:1 TO 1:1 AND IN THAT THE VISCOSITY IN A 1.5%% WATER SOLUTION IS BETWEEN 0.4 AND 4 CENTIPOISES AT 75*C.
Inventors
- 👤 A Moirano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:06
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0036; C08B37/0042; A; A23; A23L; A23L29/00; A23L29/20; A23L29/206; A23L29/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A DEGRADED MODIFIED SULFATED HYDROCOLLOID SELECTED FROM THE GROUP CONSISTING OF KAPPA-CARRAGEENAN, FURCELLA RAN, AND IOTA-CARRAGEENAN WHICH CONSISTS ESSENTIALLY OF GLYCOOSIDICALLY LINKED HEXOSE GROUPS IN THE FORM OF 3,6ANHYDRO-D-GALACTOSE GROUPS AND D-GALACTOSE GROUPS CONTAINING SULFATE TO THE EXTENT OF 12% TO 35% BY WEIGHT OF SAID HYDROCOLLOID, SAID HYDROCOLLOID BEING CHARACTERIZED IN THAT THE RATIO OF 3,5-ANHYDRO-GALACTOSE GROUPS TO GALACTOSE GROUPS IS FROM 0.8:1 TO 1:1 AND IN THAT THE VISCOSITY IN A 1.5%% WATER SOLUTION IS BETWEEN 0.4 AND 4 CENTIPOISES AT 75*C.
Claim 2
Dependent Claim
84 words
A DEGRADED MODIFIED SULFATED HYDROCOLLOID SELECTED FROM THE GROUP CONSISTING OF KAPPA-CARRAGEENAN, FURCELLA RAN, AND IOTA-CARRAGEENAN WHICH CONSISTS ESSENTIALLY OF GLYCOOSIDICALLY LINKED HEXOSE GROUPS IN THE FORM OF 3,6ANHYDRO-D-GALACTOSE GROUPS AND D-GALACTOSE GROUPS CONTAINING SULFATE TO THE EXTENT OF 12% TO 35% BY WEIGHT OF SAID HYDROCOLLOID, SAID HYDROCOLLOID BEING CHARACTERIZED IN THAT THE RATIO OF 3,5-ANHYDRO-GALACTOSE GROUPS TO GALACTOSE GROUPS IS FROM 0.8:1 TO 1:1 AND IN THAT THE VISCOSITY IN A 1.5%% WATER SOLUTION IS BETWEEN 0.4 AND 4 CENTIPOISES AT 75*C.
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |