Patent US3783018A successfully refreshed from Google Patents.
US3783018A
Expired / Lapsed
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Process for protecting a substrate with an n4-triazolylaminoarylsulfonamide intumescent agent
Assignee: Cities Service Co
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Filing: 1972-02-28
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Granted: 1974-01-01
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Expires: 1992-02-28
Abstract
Abstract 1. INTUMESCENT COMPOSITIONS OF THE INVENTION COMPRISE CERTAIN N4-TRIAZOLYLAMINOARYLSULFONAMIDES, SUCH AS THE N4TRIAZOLYLSULFANILAMIDES AND DERIVATIVES THEREOF. THE INTUMESCENT 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 IN ANY SUITABLE MANNER, SUCH AS BY ELECTRODEPOSITION, 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
2026-10-26 22:54
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
68 words
INTUMESCENT COMPOSITIONS OF THE INVENTION COMPRISE CERTAIN N4-TRIAZOLYLAMINOARYLSULFONAMIDES, SUCH AS THE N4TRIAZOLYLSULFANILAMIDES AND DERIVATIVES THEREOF. THE INTUMESCENT 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 IN ANY SUITABLE MANNER, SUCH AS BY ELECTRODEPOSITION, SPRAYING ONTO AN ADHESIVE SUBSTRATE, OR APPLICATION OF A COATING COMPOSITION COMPRISING THE INTUMESCENT AGENT.
Claim 2
Dependent Claim
68 words
INTUMESCENT COMPOSITIONS OF THE INVENTION COMPRISE CERTAIN N4-TRIAZOLYLAMINOARYLSULFONAMIDES, SUCH AS THE N4TRIAZOLYLSULFANILAMIDES AND DERIVATIVES THEREOF. THE INTUMESCENT 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 IN ANY SUITABLE MANNER, SUCH AS BY ELECTRODEPOSITION, 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 |