US3845007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-resistant thermoplastic molding compositions and moldings made therefrom
Assignee: Bayer AG
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Filing: 1972-09-28
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Granted: 1974-10-29
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Expires: 1992-09-28
Abstract
Abstract 1. A HIGH IMPACT, FLAME-RESISTANT AROMATIC POLYCARBONATE CONTAINING BY WEIGHT: (A) 2-6 PERCENT GLASS FIBERS HAVING AN AVERAGE FIBER LENGHT OF 100 TO 600UM; AND (B) 0.01 TO 1 PERCENT OF AN ALKALI METAL SALT.
Inventors
- 👤 W Nouvertne
- 👤 H Vernaleken
- 👤 P Mueller
- 👤 G Peilstoecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0066; C08K7/00; C08K7/02; C08K7/04; C08K7/14; C08L; C08L69/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A HIGH IMPACT, FLAME-RESISTANT AROMATIC POLYCARBONATE CONTAINING BY WEIGHT: (A) 2-6 PERCENT GLASS FIBERS HAVING AN AVERAGE FIBER LENGHT OF 100 TO 600UM; AND (B) 0.01 TO 1 PERCENT OF AN ALKALI METAL SALT.
Claim 2
Dependent Claim
34 words
A HIGH IMPACT, FLAME-RESISTANT AROMATIC POLYCARBONATE CONTAINING BY WEIGHT: (A) 2-6 PERCENT GLASS FIBERS HAVING AN AVERAGE FIBER LENGHT OF 100 TO 600UM; AND (B) 0.01 TO 1 PERCENT OF AN ALKALI METAL SALT.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |