US3361847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-curable fire-retardant moulding compositions and fire-retardants thereof
Assignee: Hoechst AG Werk Kalle Albert
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Filing: 1965-07-13
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Granted: 1968-01-02
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Expires: 1985-07-13
Abstract
No abstract record available.
Inventors
- 👤 Zimmermann Rolf
- 👤 Busch Wolfram Ernst
- 👤 Reiners Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:24
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; C; C08; C08F; C08F26/00; C08F26/06; C08F28/00; C08F283/00; C08F283/01; C08K; C08K5/00; C08K5/02; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/36; C08K5/41; C08L; C08L59/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A HEAT-CURABLE FIRE-RETARDANT MOULDING COMPOSITION COMPRISIING (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN UNSATURATED POLYESTER, AND AN UNSATURATED POLYETHER ACETAL AND A MIXTURE THEREOF, (II) A VINYL MONOMER COPOLYMERISABLE THEREWITH, (III) A POLYMERISATION CATALYST ACTIVE AT ELEVATED TEMPERATURES, (IV) A FILLER AND (V) A FIRE-RETARDANT ADDITIVE, SAID FIRE-RETARDANT ADDITIVE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF AT LEAST 2% BY WEIGHT OF (A) 1,3,5-S-STRIS-(DIHALOPROPIONYL)HEXAHYDROTRIAZINE, (B) A MIXTURE THEREOF WITH PERCHLOROPENTACYCLO-(5,2,1,02,6,03,9,05,8)-DECANE IN WHICH MIXTURE THE TRIAZINE COMPOUND IS PRESENT IN AN AMOUNT OF AT LEAST 10% BY WEIGHT OF THE ADDITIVE MIXTURE AND (C) AT LEAST 0.2% BY WEIGHT OF A HEXAHYDROTRIAZINE DERIVATIVE OF THE FORMULA
Claim 2
Dependent Claim
110 words
A HEAT-CURABLE FIRE-RETARDANT MOULDING COMPOSITION COMPRISIING (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN UNSATURATED POLYESTER, AND AN UNSATURATED POLYETHER ACETAL AND A MIXTURE THEREOF, (II) A VINYL MONOMER COPOLYMERISABLE THEREWITH, (III) A POLYMERISATION CATALYST ACTIVE AT ELEVATED TEMPERATURES, (IV) A FILLER AND (V) A FIRE-RETARDANT ADDITIVE, SAID FIRE-RETARDANT ADDITIVE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF AT LEAST 2% BY WEIGHT OF (A) 1,3,5-S-STRIS-(DIHALOPROPIONYL)HEXAHYDROTRIAZINE, (B) A MIXTURE THEREOF WITH PERCHLOROPENTACYCLO-(5,2,1,02,6,03,9,05,8)-DECANE IN WHICH MIXTURE THE TRIAZINE COMPOUND IS PRESENT IN AN AMOUNT OF AT LEAST 10% BY WEIGHT OF THE ADDITIVE MIXTURE AND (C) AT LEAST 0.2% BY WEIGHT OF A HEXAHYDROTRIAZINE DERIVATIVE OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |