US3053785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous alkaline solution comprising vinyl acetate copolymer, a chromate and water-soluble volatile base
Assignee: Individual
•
Filing: 1958-02-18
•
Granted: 1962-09-11
•
Expires: 1978-02-18
Abstract
No abstract record available.
Inventors
- 👤 Rosenbloom Devorah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:04
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C09D133/00; C09D133/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN AQUEOUS ALKALINE SOLUTION CONSISTING ESSENTIALLY OF AN ALKALI SOLUBLE, ACIDIC COPOLYMER OF VINYL ACETATE AND AN ALIPHATIC ALPHA ETHYLENICALLY UNSATURATED ORGANIC ACID, A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CHROMATE AND AMMONIUM COMPLEX OF ZINC CHROMATE IN A RANGE FROM ABOUT 0.5 TO 1.0% BY WEIGHT OF THE FINAL SOLUTION MEASURED AS AMMONIUM CHROMATE, WATER AND A WATER-SOLUBLE VOLATIVE BASE SUFFICIENT TO DISSOLVE THE SOLID COMPONENTS IN THE WATER.
Claim 2
Dependent Claim
72 words
AN AQUEOUS ALKALINE SOLUTION CONSISTING ESSENTIALLY OF AN ALKALI SOLUBLE, ACIDIC COPOLYMER OF VINYL ACETATE AND AN ALIPHATIC ALPHA ETHYLENICALLY UNSATURATED ORGANIC ACID, A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CHROMATE AND AMMONIUM COMPLEX OF ZINC CHROMATE IN A RANGE FROM ABOUT 0.5 TO 1.0% BY WEIGHT OF THE FINAL SOLUTION MEASURED AS AMMONIUM CHROMATE, WATER AND A WATER-SOLUBLE VOLATIVE BASE SUFFICIENT TO DISSOLVE THE SOLID COMPONENTS IN THE WATER.
References Cited (Backward Citations)
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Cited
US2356879A
Cited
US2612481A
Cited
US2902459A
Cited
US2871213A
Cited
US2902390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |