Patent US3792007A successfully refreshed from Google Patents.
US3792007A
Expired / Lapsed
US
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Flame retardant latex
Assignee: BASF SE
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Filing: 1971-11-15
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Granted: 1974-02-12
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Expires: 1991-11-15
Abstract
Abstract A SELF-EXTINGUISHING POLYMER COMPOSITION IN LATEX FORM HAS BEEN PREPARED BY THE ADDING FROM 1 TO 10 PARTS BY WEIGHT OF TRIS(2,3-DIBROMOPROPYL) PHOSPHATE IN COMBINATION WITH A SYNERGISTIC AMOUNT (0.5 TO 3.0 PARTS BY WEIGHT) OF A SALT SELECTED FROM THE GROUP CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOSPHATE AND TRIAMMONIUM PHOSPHATE, TO A TERPOLYMER COMPRISING 2070 PARTS BY WEIGHT OF AN ARYL VINYL MONOMER AND 30-80 PARTS BY WEIGHT OF A CONJUGATED DIOLEFIN, AND 0.5-10 PARTS BY WEIGHT OF AN A,B-ETHYLENICALLY UNSATUARTED CARBOXYLIC ACID. IF DESIRED, A PORTION OF THE AMMONIUM SALT MAY BE ADDED TO THE LATEX DURING POLYMERIZATION AS WELL AS AFTER THE POLYMERIZATION.
Inventors
- 👤 E Gleason
- 👤 L Guziak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:36
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/30; C08F; C08F236/00; C08F236/02; C08F236/04; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 0
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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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |