US2755260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire retardant coating composition
Assignee: Dow Chemical Co
•
Filing: 1953-05-13
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Granted: 1956-07-17
•
Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Elmer K Stilbert
- 👤 James P Talley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:12
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/58; D06M11/66; C; C09; C09D; C09D5/00; C09D5/18; C09D5/185; D06M11/32; D06M11/36; D06M11/48; D06M11/51; D06M11/55; D06M11/56; D06M11/68; D06M11/70; D06M11/71; D06M11/80; D06M11/82; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31931; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN INTUMESCENT COATING COMPOSITION COMPRISING A 40 TO 60 PER CENT AQUEOUS DISPERSION OF A MIXTURE CONSISTING OF 70 TO 85 PER CENT OF NON-FILM-FORMING INTUMESCENT SOLIDS AND ENOUGH OF AN AQUEOUS FILM FORMING LATEX OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF THE POLYMER OF VINYL CHLORIDE COPOLYMERS OF VINYL CHLORIDE AND OTHER VINYL ESTERS COPOLYMERS OF VINYLIDENE CHLORIDE AND VINYL CHLORIDE COPOLYMERS OF VINYLIDENE CHLORIDE AND ACRYLONITRILE, AND COPOLYMERS OF STYRENE AND BUTADIENE TO PROVIDE CORRESPONDINGLY FROM 30 TO 45 PER CENT OF THE POLYMER SOLIDS BASED ON THE TOTAL WEIGHT OF SOLIDS PRESENT: SAID INXXXXXX SOLIDS CONSISTING ESSENTIALLY OF (1) A FOAM FORMING INGREDIENT SELECTED FROM THE GROUP CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOS-
Claim 2
Dependent Claim
118 words
AN INTUMESCENT COATING COMPOSITION COMPRISING A 40 TO 60 PER CENT AQUEOUS DISPERSION OF A MIXTURE CONSISTING OF 70 TO 85 PER CENT OF NON-FILM-FORMING INTUMESCENT SOLIDS AND ENOUGH OF AN AQUEOUS FILM FORMING LATEX OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF THE POLYMER OF VINYL CHLORIDE COPOLYMERS OF VINYL CHLORIDE AND OTHER VINYL ESTERS COPOLYMERS OF VINYLIDENE CHLORIDE AND VINYL CHLORIDE COPOLYMERS OF VINYLIDENE CHLORIDE AND ACRYLONITRILE, AND COPOLYMERS OF STYRENE AND BUTADIENE TO PROVIDE CORRESPONDINGLY FROM 30 TO 45 PER CENT OF THE POLYMER SOLIDS BASED ON THE TOTAL WEIGHT OF SOLIDS PRESENT: SAID INXXXXXX SOLIDS CONSISTING ESSENTIALLY OF (1) A FOAM FORMING INGREDIENT SELECTED FROM THE GROUP CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOS-
References Cited (Backward Citations)
US2452055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |