Patent US2729610A successfully refreshed from Google Patents.
US2729610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymerising monomeric aromatic vinyl compounds
Assignee: Bayer AG
•
Filing: 1951-08-01
•
Granted: 1956-01-03
•
Expires: 1971-08-01
Abstract
No abstract record available.
Inventors
- 👤 Ehring Heinz
- 👤 Raichle Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:44
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; B01J19/0053; B01J19/0066; B01J19/18; B01J19/1868; C08F242/00; C08F283/00; C08F283/01; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00164
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
THE METHOD OF CLAIM 1 IN WHICH THE ESTER IS AN ALKYD RESIN.
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) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |