US3212967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biocidally-active mixed phosphorothioate ester-containing and mixed phosphoramidate ester-containing polymeric materials
Assignee: Dow Chemical Co
•
Filing: 1962-11-05
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Granted: 1965-10-19
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Russell T Mcfadden
- 👤 Ralph R Langner
- 👤 Lisby L Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
BIOCIDALLY-ACTIVE, WATER-INSOLUBLE, ORGANIC, POLYMERIC MATERIAL COMPOSED ESSENTIALLY OF AN ADMIXTURE OF FROM ABOUT 1.0 TO ABOUT 75 WEIGHT PERCENT OF (A) A BIOCIDALLYACTIVE COMPOUND CHARACTERIZED BY THE FORMULA:
Claim 2
Dependent Claim
28 words
BIOCIDALLY-ACTIVE, WATER-INSOLUBLE, ORGANIC, POLYMERIC MATERIAL COMPOSED ESSENTIALLY OF AN ADMIXTURE OF FROM ABOUT 1.0 TO ABOUT 75 WEIGHT PERCENT OF (A) A BIOCIDALLYACTIVE COMPOUND CHARACTERIZED BY THE FORMULA:
References Cited (Backward Citations)
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US2750323A
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US2873263A
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US2919200A
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US2929762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |