US2803558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating adhesive gums
Assignee: Commonwealth Color and Chemical Co
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Filing: 1956-06-27
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Granted: 1957-08-20
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Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 George D Fronmuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:10
CPC Classifications
C; C09; C09J; C09J105/00; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0093; C08B37/0096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF TREATING ADHESIVE GUMS CONTAINING PRINCIPALLY MANNO-GALACTANS WHICH COMPRISES ADDING TO THE SUBSTANTIALLY DRY GUM PERACETIC ACID, HEATING THE MIXTURE SO OBTAINED TO A TEMPERATURE SUBSTANTIALLY ABOVE ROOMTEMPERATURE AND BELOW THE BOLIING POINT OF WATER, WHEREBY THE VISCOSITY OF SAID GUM IS REDUCED AND THE PRODUCT IS A SUBSTANTIALLY DRY MATERIAL, ADDING THERETO AN IN-TRALORGANIC NON-OXIDIZING, ALKALINE REACTING SALT FOR NEUTRAL IZING THE ACIDIITY OF SAID GUM, AND ADDING THERETO A SUBSTANCE TAKEN FROM THE CLASS CONSISTING OF GLYOXAL AND FORMALDEHYDE IN THE LIQUID STATE.
Claim 2
Independent Claim
87 words
A METHOD OF TREATING ADHESIVE GUMS CONTAINING PRINCIPALLY MANNO-GALACTANS WHICH COMPRISES ADDING TO THE SUBSTANTIALLY DRY GUM PERACETIC ACID, HEATING THE MIXTURE SO OBTAINED TO A TEMPERATURE SUBSTANTIALLY ABOVE ROOMTEMPERATURE AND BELOW THE BOLIING POINT OF WATER, WHEREBY THE VISCOSITY OF SAID GUM IS REDUCED AND THE PRODUCT IS A SUBSTANTIALLY DRY MATERIAL, ADDING THERETO AN IN-TRALORGANIC NON-OXIDIZING, ALKALINE REACTING SALT FOR NEUTRAL IZING THE ACIDIITY OF SAID GUM, AND ADDING THERETO A SUBSTANCE TAKEN FROM THE CLASS CONSISTING OF GLYOXAL AND FORMALDEHYDE IN THE LIQUID STATE.
References Cited (Backward Citations)
FR892531A
Cited
US2644764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |