US3332794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxy-free polymeric composition containing ammonium zirconyl carbonate
Assignee: Magnesium Elektron Inc
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Filing: 1966-04-12
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Granted: 1967-07-25
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Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Robert T Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
C; C08; C08B; C08B31/00; C08B11/00; C08B11/20; C08B37/00; C08K; C08K3/00; C08K3/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
A COMPOSITION OF MATTER COMPRISING A STABLE AQUEOUS SOLUTION OF A WATER-SOLUBLE, HIGH MOLECULAR WEIGHT, POLYMERIC ORGANIC ADHESIVE FREE OF CARBOXYLIC ACID GROUPS AND SELECTED FROM AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF HYDROXYETHYL ETHERS OF CELLULOSE, LIME-WATER EXTRACTS OF CORN KERNEL HULLS, POLYSACCHARIDES, ACETYLATED POLYSACCHARIDES, IRISH MOSS, MALEIC ANHYDRIDE COPOLYMERS, POLYACRYLAMIDE, METHYLOLATED POLYACRYLAMIDE, POLYVINYL ALCOHOL, AND POLYVINYL PYRROLIDONE, HAVING A PH WITHIN THE RANGE FROM ABOUT 5 TO 10 AND CONTAINING AMMONIUM ZIRCONYL CARBONATE IN AN AMOUNT SUFFICIENT TO RENDER THE ADHESIVE MATERIAL SUBSTANTIALLY INSOLUBLE IN WATER UPON DRYING.
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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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |