US2497927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous fungicidal compositions
Assignee: Rohm and Haas Co
•
Filing: 1948-01-16
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Granted: 1950-02-21
•
Expires: 1968-01-16
Abstract
No abstract record available.
Inventors
- 👤 Herman A Bruson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:09
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/04; A; A01; A01N; A01N31/00; A01N31/08; A01N31/10; A01N31/14; B; B27; B27K; B27K3/00; B27K3/02; B27K3/15; Y; Y10; Y10S; Y10S260/00; Y10S260/28; Y10S260/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A RESINOUS FUNGICIDAL AGENT COMPRISING THE PRODUCT OF COPOLYMERIZING SUBSTANTIALLY EQUIMOLAR AMOUNTS OF AN ANHYDRIDE FROM THE CLASS CONSISTING OF MALEIC AND CHLOROMALEIC ANDHYDRIDES AND AN ETHER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
31 words
A RESINOUS FUNGICIDAL AGENT COMPRISING THE PRODUCT OF COPOLYMERIZING SUBSTANTIALLY EQUIMOLAR AMOUNTS OF AN ANHYDRIDE FROM THE CLASS CONSISTING OF MALEIC AND CHLOROMALEIC ANDHYDRIDES AND AN ETHER HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2047398A
Cited
US2415400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |