US3190901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear polymers of alkylene tin chlorides
Assignee: BASF SE
•
Filing: 1962-05-29
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Granted: 1965-06-22
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Polster Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:12
CPC Classifications
C; C08; C08G; C08G71/00; C07; C07F; C07F7/00; C07F7/22; C07F7/2208; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/24; C08G18/242; C08G79/00; C08G79/12; C08K; C08K5/00; C08K5/56; C08K5/57; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L85/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
18 words
LINEAR POLYMERS OF ALKYLENE TIN CHLORIDES WHICH CONSIST ESSENTIALLY OF TWO TO SIXTY RECURRING UNITS OF THE GROUPING
Claim 2
Dependent Claim
18 words
LINEAR POLYMERS OF ALKYLENE TIN CHLORIDES WHICH CONSIST ESSENTIALLY OF TWO TO SIXTY RECURRING UNITS OF THE GROUPING
Claim 3
Dependent Claim
30 words
A PROCESS FOR THE MANUFACTURE OF LINEAR POLYMERS OF ALKYLENE TIN CHLORIDES WHICH COMPRISES: HEATING AT TEMPERATURES OF BETWEEN 20* AND 250*C. CYCLIC ALKYLENE IN COMPOUNDS OF THE GENERAL FORMULA
Claim 4
Dependent Claim
30 words
A PROCESS FOR THE MANUFACTURE OF LINEAR POLYMERS OF ALKYLENE TIN CHLORIDES WHICH COMPRISES: HEATING AT TEMPERATURES OF BETWEEN 20* AND 250*C. CYCLIC ALKYLENE IN COMPOUNDS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2775563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |