Patent US3830766A successfully refreshed from Google Patents.
US3830766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing moulding composition
Assignee: Chemische Fabrik Kalk GmbH
•
Filing: 1971-09-21
•
Granted: 1974-08-20
•
Expires: 1991-09-21
Abstract
Abstract FLAME-PROOFING ACRYLONITRILE-BUTADIENE-STYRENE (ABS) POLYMERS BY INCORPORATING THEREIN AN AROMATIC BROMINE COMPOUND, ANTIMONY TRIOXIDE OR ANTIMONY OXYCHLORIDE AND OPTIONALLY AN ORGANO CHLORINE COMPOUND.
Inventors
- 👤 H Praetzel
- 👤 H Jenkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:35
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02; C08L; C08L55/00; C08L55/02; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/2279; C08K5/00; C08K5/02; C08K5/03; C08K5/04; C08K5/06; C08L23/00; C08L23/26; C08L23/28; C08L23/286; C08L27/00; C08L27/22; C08L27/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |