US2666759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of acids and salts from gums
Assignee: Harris Corp
•
Filing: 1948-06-19
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Granted: 1954-01-19
•
Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 William H Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:42
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS OF MAKING PRODUCTS FROM GUMS, COMPRISING DISSOLVING A NATURALLY OCCURRING EXUDATE GUM IN WATER, SEPARATING ANY FOREIGN PARTICLES, AND REACTING THE DISSOLVED GUM WITH A CATION EXCHANGE COMPLEX SELECTED FROM THE GROUP CONSISTING OF SULPHURIC ACID-TREATED CARBONACEOUS MATERIALS, ACID-TREATED ZEOLITES AND PHENOLFORMALDEHYDE-SULPHONIC ACID RESINS SO AS TO DECOMPOSE THE GUM AND SPLIT THE ACID ORGANIC MOLECULAR PORTION FROM THE COMBINED BASES AND PREVENT DEGRADATION BREAKDOWN OF THE ORGANIC PORTION AND ELIMINATE MATERIALS WHICH SUPPORT BACTERIAL AND MOLD GROWTH TO FORM A DECOMPOSITION-RESISTING PRODUCT.
Claim 2
Dependent Claim
85 words
A PROCESS OF MAKING PRODUCTS FROM GUMS, COMPRISING DISSOLVING A NATURALLY OCCURRING EXUDATE GUM IN WATER, SEPARATING ANY FOREIGN PARTICLES, AND REACTING THE DISSOLVED GUM WITH A CATION EXCHANGE COMPLEX SELECTED FROM THE GROUP CONSISTING OF SULPHURIC ACID-TREATED CARBONACEOUS MATERIALS, ACID-TREATED ZEOLITES AND PHENOLFORMALDEHYDE-SULPHONIC ACID RESINS SO AS TO DECOMPOSE THE GUM AND SPLIT THE ACID ORGANIC MOLECULAR PORTION FROM THE COMBINED BASES AND PREVENT DEGRADATION BREAKDOWN OF THE ORGANIC PORTION AND ELIMINATE MATERIALS WHICH SUPPORT BACTERIAL AND MOLD GROWTH TO FORM A DECOMPOSITION-RESISTING PRODUCT.
References Cited (Backward Citations)
US637090A
Cited
US2323483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |