US3099573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersion of periodate oxidized polysaccharide-amino triazine reaction product and process of preparing same
Assignee: Bayer Corp
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Filing: 1960-06-22
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Granted: 1963-07-30
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Peter J Borchert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:35
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/18; C08B31/185; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR PREPARING AN AQUEOUS DISPERSION OF A REACTION PRODUCT OF A PERIODATE OXIDIZED POLYSACCHARIDE WITH AN AMINO TRAIZINE WHICH COMPRISES MIXING A PERIODATE OXIDIZED POLYSACCHARIDE WITH AN AMINO TRAZINE IN AN AQUEOUS DISPERSION MEDIUM THEREFOR AT A HYDROGEN ION CONCENTRATION IN THE RANGE OF FROM ABUT PH 5.5 TO PH 7.0 AND AT A TEMPERATURE OF FROM ABOUT 60*C. TO 80* C. UNTIL COMPLETE DISPERSION OF THE REACTION PRODUCT THEREOF.
Claim 2
Dependent Claim
71 words
A PROCESS FOR IMPARTING ENHANCED WET STRENGTH CHARACTERISTICS TO PAPER WHICH COMPRISES TREATING PAPER WITH ABOUT A 1% TO 20% SOLIDS CONTAINING DISPERSION OF A PERIODATE OXIDIZED POLYSACCHARIDE-AMINO TRIAZINE RESIN PREPARED ACCORDING TO THE PROCESS OF CLAIM 3, ACIDIFYING WITH AN AQUEOUS SOLUTION OF AN ACIDIC CATALYST AND CURING AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 80*C. TO 100*C. FOR A PERIOD OF FROM ABOUT 10 TO 30 MINUTES.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |