US2630436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotin phosphates
Assignee: Primerica Inc
•
Filing: 1949-05-21
•
Granted: 1953-03-03
•
Expires: 1969-05-21
Abstract
No abstract record available.
Inventors
- 👤 James M Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:45
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F7/00; C07F7/22; C07F7/2224; C08; C08K; C08K5/00; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A NEUTRAL ORGANOTIN PHOSPHATE CONSISTING OF AT LEAST ONE ORGANOTIN GROUP AND AT LEAST ONE PHOSPHATE GROUP, THE ORGANOTIN MOIETY BEING CONNECTED TO THE PHOSPHATE MOIETY THROUGH TIN, EACH SAID PHOSPHATE GROUP HAVING ONE TO FOUR PHOSPHORUS ATOMS, EVERY ACIDIC VALENCE OF THE PHOSPHATE MOIETY BEING SATISFIED BY AN ORGANOTIN GROUP, AND EACH SAID ORGANOTIN GROUP CONSISTING OF TWO TO THREE ORGANIC RADICALS CONNECTED TO TIN, AND EACH SAID ORGANIC RADICAL BEING ONE SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARALKYL, ARYL, AND HETEROCYCLIC RADICALS.
Claim 2
Dependent Claim
85 words
A NEUTRAL ORGANOTIN PHOSPHATE CONSISTING OF AT LEAST ONE ORGANOTIN GROUP AND AT LEAST ONE PHOSPHATE GROUP, THE ORGANOTIN MOIETY BEING CONNECTED TO THE PHOSPHATE MOIETY THROUGH TIN, EACH SAID PHOSPHATE GROUP HAVING ONE TO FOUR PHOSPHORUS ATOMS, EVERY ACIDIC VALENCE OF THE PHOSPHATE MOIETY BEING SATISFIED BY AN ORGANOTIN GROUP, AND EACH SAID ORGANOTIN GROUP CONSISTING OF TWO TO THREE ORGANIC RADICALS CONNECTED TO TIN, AND EACH SAID ORGANIC RADICAL BEING ONE SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARALKYL, ARYL, AND HETEROCYCLIC RADICALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |