US3783017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for protecting a substrate with an arylsulfonamidotriazole intumescent agent
Assignee: Cities Service Co
•
Filing: 1972-02-22
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Granted: 1974-01-01
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Expires: 1992-02-22
Abstract
Abstract 1. INTUMESCENT COMPOSITIONS OF THE INVENTION COMPRISE CERTAIN ARYLSULFONAMIDOTRIAZOLES, SUCH AS THE SULFANILAMIDOTRIAZOLES AND DERIVATIVES THEREOF. THE INSTUMESCENT AGENTS MAY BE EMPLOYED IN CONJUNCTION WITH ADDITIVES CONVENTIONALLY USED IN INTUMESCENT COMPOSITIONS. FOR USE IN PROTECTING SUBSTRATES FROM HEAT AND FIRE, THE INTUMESCENT COMPOSITIONS MAY BE APPLIED TO THE SUBSTRATES IN ANY SUITABLE MANNER, SUCH AS BY ELECTRODEPOSITON, SPRAYING ONTO AN ADHESIVE SUBSTRATE, OR APPLICATION OF A COATING COMPOSITION COMPRISING THE INTUMESCENT AGENT.
Inventors
- 👤 S Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:27
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C09D5/185; Y; Y10; Y10S; Y10S428/00; Y10S428/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
INTUMESCENT COMPOSITIONS OF THE INVENTION COMPRISE CERTAIN ARYLSULFONAMIDOTRIAZOLES, SUCH AS THE SULFANILAMIDOTRIAZOLES AND DERIVATIVES THEREOF. THE INSTUMESCENT AGENTS MAY BE EMPLOYED IN CONJUNCTION WITH ADDITIVES CONVENTIONALLY USED IN INTUMESCENT COMPOSITIONS. FOR USE IN PROTECTING SUBSTRATES FROM HEAT AND FIRE, THE INTUMESCENT COMPOSITIONS MAY BE APPLIED TO THE SUBSTRATES IN ANY SUITABLE MANNER, SUCH AS BY ELECTRODEPOSITON, SPRAYING ONTO AN ADHESIVE SUBSTRATE, OR APPLICATION OF A COATING COMPOSITION COMPRISING THE INTUMESCENT AGENT.
Claim 2
Dependent Claim
71 words
INTUMESCENT COMPOSITIONS OF THE INVENTION COMPRISE CERTAIN ARYLSULFONAMIDOTRIAZOLES, SUCH AS THE SULFANILAMIDOTRIAZOLES AND DERIVATIVES THEREOF. THE INSTUMESCENT AGENTS MAY BE EMPLOYED IN CONJUNCTION WITH ADDITIVES CONVENTIONALLY USED IN INTUMESCENT COMPOSITIONS. FOR USE IN PROTECTING SUBSTRATES FROM HEAT AND FIRE, THE INTUMESCENT COMPOSITIONS MAY BE APPLIED TO THE SUBSTRATES IN ANY SUITABLE MANNER, SUCH AS BY ELECTRODEPOSITON, SPRAYING ONTO AN ADHESIVE SUBSTRATE, OR APPLICATION OF A COATING COMPOSITION COMPRISING THE INTUMESCENT AGENT.
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |