Patent US3157964A successfully refreshed from Google Patents.
US3157964A
Expired / Lapsed
US
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Polymeric compositions and their use for supplying and maintaining plant moisture
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1962-01-29
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Granted: 1964-11-24
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Carl S Ferguson
- 👤 Roland D Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:01
CPC Classifications
A; A01; A01N; A01N3/00; Y; Y10; Y10S; Y10S47/00; Y10S47/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF SUPPLYING AND MAINTAINING A PLANT MOISTURE, WHICH COMPRISES COATING AT LEAST PART OF A PLANT WITH A NONTOXIC, AQUEOUS COMPOSITION COMPRISING WATER, A POLYHYDRIC ALCOHOL HUMECTANT AND A SALT OF AND ADDITION POLYMER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID, WHEREIN SAID ALPHA, BETAETHYYLENICALLY UNSATURATED CABOXYLIC ACID COMPRISES FROM ABOUT 5 TO 100 MOLE PERCENT OF THE MONOMERIC UNITS IN SAID ADDITION POLYMER AND WHEREIN SAID ADDITION POLYMER COMPRISES FROM ABOUT 5 TO 86 WEIGHT PERCENT OF THE COMBINED DRY WEIGHT OF HUMECTANT AND ADDITION POLMYER.
Claim 2
Independent Claim
89 words
THE METHOD OF SUPPLYING AND MAINTAINING A PLANT MOISTURE, WHICH COMPRISES COATING AT LEAST PART OF A PLANT WITH A NONTOXIC, AQUEOUS COMPOSITION COMPRISING WATER, A POLYHYDRIC ALCOHOL HUMECTANT AND A SALT OF AND ADDITION POLYMER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID, WHEREIN SAID ALPHA, BETAETHYYLENICALLY UNSATURATED CABOXYLIC ACID COMPRISES FROM ABOUT 5 TO 100 MOLE PERCENT OF THE MONOMERIC UNITS IN SAID ADDITION POLYMER AND WHEREIN SAID ADDITION POLYMER COMPRISES FROM ABOUT 5 TO 86 WEIGHT PERCENT OF THE COMBINED DRY WEIGHT OF HUMECTANT AND ADDITION POLMYER.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |