US2558688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing chlorinated derivatives of resols
Assignee: BATA NARODNI PODNIK
•
Filing: 1947-04-02
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Granted: 1951-06-26
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Expires: 1967-04-02
Abstract
No abstract record available.
Inventors
- 👤 Landa Miloslay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:46
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A CHLORINATED, SYNTHETIC RESIN SOLUBLE IN VEGETABLE DRYING OIL WITHOUT SUBSTANTIALLY IMPARIING THE DRYING QUALITIES OF THE SAME, CONSISTING OF A CONDENSATION POLYMER OF FORMALDEHYDE WITH A MEMBER OF THE GROUP CONSISTING OF PHENOL AND CRESOL, SAID MEMBER HAVING AS THE SOLE SUBSTITUENT A 4 CARBON ATOM, MONO-OLEFINIC SIDE CHAIN BEARING A CHLORINE RADICAL ON ONE UNSATURATED CARBON ATOM.
References Cited (Backward Citations)
US2006043A
Cited
US2399735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |