US2609402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin-ddt reaction products
Assignee: Uniroyal Inc
•
Filing: 1949-03-23
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Granted: 1952-09-02
•
Expires: 1969-03-23
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Ladd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:27
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03; C07; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275; C07C25/00; C07C25/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE PROCESS WHICH COMPRISES HEATING A MIXTURE OF 1,1,1-TRICHLORO-2,2,-BIS(P-CHLOROPHENYL) ETHANE AND A 1-ALKENE IN THE PRESENCE OF A FREE RADICAL REACTION INITIATOR, AND RECOVERING AN ADDUCT HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A NEW CHEMICAL HAVING THE FORMULA
References Cited (Backward Citations)
US2440800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |