Composition inhibiting the expansion of fire, suppressing existing fire, and methods of manufacture and use thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A62D-001/00
A62C-002/00
A62C-002/06
A63C-003/00
C09K-021/14
C09K-021/00
출원번호
US-0584706
(2006-10-23)
등록번호
US-7476346
(2009-01-13)
발명자
/ 주소
Hagquist,James Alroy E.
Hume, III,Robert M.
Lund,Terrance L.
Lund,Roderick I.
출원인 / 주소
Fire Jell, Inc.
대리인 / 주소
Randall,Tipton L.
인용정보
피인용 횟수 :
14인용 특허 :
45
초록▼
The invention relates to compositions that prevent expansion of a fire, suppress existing fire, as well as methods of preparing and using such compositions. The composition is comprised of water, pseudo-plastic high yield suspending agent and starch. Compositions may contain additional functional ag
The invention relates to compositions that prevent expansion of a fire, suppress existing fire, as well as methods of preparing and using such compositions. The composition is comprised of water, pseudo-plastic high yield suspending agent and starch. Compositions may contain additional functional agents, such as rheological, wetting, foaming, coloring, chelating, antimicrobial and stabilizing agents. In the description of the present invention, all composition modifications are referred to as compositions. The composition, an augmentation of water, exhibits the characteristics of a sag resistant aqueous gel in the tank, but has shear thinning capacity, allowing the composition to be pumped or sprayed as easily as water. At the point of impact, when the sprayed composition is again at rest, it instantly reverts to a sag resistant aqueous gel. The composition also forms an intumescent, surface char layer upon contacting a fire. Foaming of the augmented composition on impact can be incorporated, which is advantageous for fighting petroleum fires.
대표청구항▼
We claim: 1. A method of extinguishing or suppressing a fire comprising; providing a thixotropic, fire fighting composition having shear thinning properties comprising at least about 99% water, a pseudo-plastic, high yield, suspending agent, and starch, the composition adjusted to a pH in the range
We claim: 1. A method of extinguishing or suppressing a fire comprising; providing a thixotropic, fire fighting composition having shear thinning properties comprising at least about 99% water, a pseudo-plastic, high yield, suspending agent, and starch, the composition adjusted to a pH in the range of about 5.0-8.0; and applying the composition comprising at least about 99% water to an area where extinguishment or suppression of the fire is desired, whereby the composition comprising least about 99% water clings to a surface positioned in any orientation, and forms an exterior intuniescent char coating upon fire contact, while retaining an interior aqueous gel composition, thereby extinguishing a fire and preventing rekindling thereof. 2. The method of claim 1, wherein the composition comprising at least about 99% water includes a foaming agent, thereby enabling the composition to float on a hydrocarbon liquid and extinguish a petroleum fire. 3. A method of extinguishing or suppressing a fire comprising; providing a thixotropic, fire fighting composition having shear thinning properties comprising water, a pseudo-plastic, high yield, suspending agent comprising a mixture of an acrylic acid copolymer cross linked with a polyalkenyl polyether and a synthetic smectite clay, and starch the composition adjusted to a pH in the range of about 5.0-8.0; and applying the composition to an area where extinguishment or suppression of the fire is desired, whereby the composition clings to a surface positioned in any orientation, and forms an exterior inturnescent char coating upon fire contact, while retaining art interior aqueous gel composition, thereby extinguishing a fire and preventing rekindling thereof. 4. The method of claim 3, wherein the composition includes a foaming agent, thereby enabling the composition to float on a hydrocarbon liquid and extinguish a petroleum fire.
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이 특허에 인용된 특허 (45)
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Smith Derek A. (110 Frognal London ; NW3 GB2) Grayson Stephen J. (8 Bennett Park ; Blackheath London SE3 9RB GB2) Hume John (46 Boleyn Rd. ; Forest Gate London E7 9QE GB2), Smoke and toxic gas suppressant system.
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