EP0223380A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Reinforced casting material
Assignee: Johnson and Johnson Hospital Services Inc
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Filing: 1986-10-06
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Granted: —
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Expires: 2006-10-06
Abstract
Abstract A composition used to reinforce polyurethane casts is disclosed. The composition has controlled foaming activity and a viscosity between 100,000 and 1,000,000. The foaming activity and viscosity allow the formulation to be readily applied to the cast area that is to be reinforced.
Inventors
- 👤 Gene William Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 20:12
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/07; A61L15/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31554
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
98 words
A method of reinforcing a polyurethane cast comprising applying to the cast while the cast is wet with water a composition comprising an aromatic polyisocyanate and a polyol in an equivalent ratio of from 2.1 to 15.1,a catalyst in an amount of from 0.1 to 10% based on the weight of the composition, an antifoam agent in an amount of from 0.7 to 7.5% based on the weight of the formulation and a thickening agent in an amount of from 2 to 5% by weight of the formulation, said composition having a viscosity of between 100,000 and 1,000,000.
Claim 2
Independent Claim
98 words
A method of reinforcing a polyurethane cast comprising applying to the cast while the cast is wet with water a composition comprising an aromatic polyisocyanate and a polyol in an equivalent ratio of from 2.1 to 15.1,a catalyst in an amount of from 0.1 to 10% based on the weight of the composition, an antifoam agent in an amount of from 0.7 to 7.5% based on the weight of the formulation and a thickening agent in an amount of from 2 to 5% by weight of the formulation, said composition having a viscosity of between 100,000 and 1,000,000.
Claim 3
Dependent Claim
31 words
2 . The method of Claim 1 in which the composition is applied at a rate of from 1/2 to 1 gram per square inch of cast surface to be reinforced.
Claim 4
Dependent Claim
20 words
The method of Claim 1 or Claim 2 in which the composition has a viscosity of between 300,000 and 500,000.
Claim 5
Independent Claim
17 words
The method of any one of claims 1 to 3 in which the antifoam agent is polydimethylsiloxane.
Claim 6
Independent Claim
18 words
The method of any one of claims 1 to 4 in which the thickening agent is fumed silica.
Claim 7
Dependent Claim
119 words
A moisture impervious container having a volume of from 2 to 16 ounces and a sealable opening at one end filled with a composition comprising an aromatic polyisocyanate and a polyol in an equivalent ratio of from 2.1 to 15.1, a catalyst in an amount of from 0.1 to 10% based on the weight of the composition, an antifoam agent in an amount of from 0.7 to 7.5% based on the weight of the composition, a thickening agent in an amount of from 2 to 5% by weight of the composition, said composition having a viscosity of between 100,000 and 1,000,000 and said composition capable of foaming in a ratio of from 4 to 1 to 16 to 1.
Claim 8
Dependent Claim
119 words
A moisture impervious container having a volume of from 2 to 16 ounces and a sealable opening at one end filled with a composition comprising an aromatic polyisocyanate and a polyol in an equivalent ratio of from 2.1 to 15.1, a catalyst in an amount of from 0.1 to 10% based on the weight of the composition, an antifoam agent in an amount of from 0.7 to 7.5% based on the weight of the composition, a thickening agent in an amount of from 2 to 5% by weight of the composition, said composition having a viscosity of between 100,000 and 1,000,000 and said composition capable of foaming in a ratio of from 4 to 1 to 16 to 1.
Claim 9
Dependent Claim
17 words
The container of Claim 6 in which the viscosity of the composition is between 300,000 and 500,000.
Claim 10
Dependent Claim
15 words
The container of Claim 6 or Claim 7 in which the antifoam agent is polydimethylsiloxane.
Claim 11
Dependent Claim
18 words
The container of any one of claims 6 to 8 in which the thickening agent is fumed silica.
Claim 12
Dependent Claim
87 words
A composition, for use in reinforcing a polyurethane cast, comprising an aromatic polyisocyanate and a polyol in an equivalent ratio of from 2.1 to 15.1, a catalyst in an amount of from 0.1 to 10% based on the weight of the composition, an antifoam agent in an amount of from 0.7 to 7.5% based on the weight of the formulation and a thickening agent in an amount of from 2 to 5% by weight of the formulation, said composition having a viscosity of between 100,000 and 1,000,000.
Claim 13
Dependent Claim
87 words
A composition, for use in reinforcing a polyurethane cast, comprising an aromatic polyisocyanate and a polyol in an equivalent ratio of from 2.1 to 15.1, a catalyst in an amount of from 0.1 to 10% based on the weight of the composition, an antifoam agent in an amount of from 0.7 to 7.5% based on the weight of the formulation and a thickening agent in an amount of from 2 to 5% by weight of the formulation, said composition having a viscosity of between 100,000 and 1,000,000.
References Cited (Backward Citations)
WO1981000671A1
Cited
EP0086621A1
Cited
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