Patent US4940047A successfully refreshed from Google Patents.
US4940047A
Expired / Lapsed
US
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Textile sheet-like structure with reactive resin
Assignee: Bayer AG
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Filing: 1988-06-17
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Granted: 1990-07-10
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Expires: 2008-06-17
Abstract
Abstract Textile sheet-like structure impregnated or coated with water-hardening synthetic resin, said textile comprising organic fibers with an elasticity modulus of 200 to 2500 daN/mm2 and having an extensibility in the longitudinal direction of at least 10% before hardening of said resin is useful in preparing orthopaedic support dressings, containers, filters, pipes, reinforcing material, stiffening material, filler or sealer material for hollow spaces or joints, insulating material, in preparing decorative and artistic articles.
Inventors
- 👤 Roland Richter
- 👤 Wolfram Mayer
- 👤 Gunter Langen
- 👤 Willy Leyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:10
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D06M15/568; D06M15/572; D06M23/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/237; Y10T428/31504; Y10T428/31551; Y10T428/31562; Y10T428/31565; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277; Y10T442/2861; Y10T442/2893
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
58 words
Textile sheet-like structure impregnated or coated with water-hardening synthetic resin wherein said impregnated or coated structure is sealed in a film which is impermeable to water, said textile comprising organic fibers with an elasticity modulus of 200 to 2500 daN/mm 2 and having an extensibility in the longitudinal direction of at least 10% before hardening of said resin.
Claim 2
Dependent Claim
58 words
Textile sheet-like structure impregnated or coated with water-hardening synthetic resin wherein said impregnated or coated structure is sealed in a film which is impermeable to water, said textile comprising organic fibers with an elasticity modulus of 200 to 2500 daN/mm 2 and having an extensibility in the longitudinal direction of at least 10% before hardening of said resin.
Claim 3
Dependent Claim
27 words
Textile sheet-like structures sealed in a film according to claim 1 comprising fibers with an elasticity modulus in the range from 400 to 2000 daN/mm 2 .
Claim 4
Dependent Claim
27 words
Textile sheet-like structures sealed in a film according to claim 1 having an extensibility in the longitudinal direction of 15 to 200% before hardening of said resin.
Claim 5
Dependent Claim
22 words
Textile sheet-like structures sealed in a film according to claim 1 having an extensibility in the longitudinal direction of 15 to 80%.
Claim 6
Dependent Claim
22 words
Textile sheet-like structures sealed in a film according to claim 1 having an extensibility in the transverse direction of 20 to 300%.
Claim 7
Dependent Claim
22 words
Textile sheet-like structures sealed in a film according to claim 2 having a weight of 40 to 300 grams per square meter.
Claim 8
Dependent Claim
22 words
Textile sheet-like structures sealed in a film according to claim 1 which comprises polyester fibers, polyamide fibers, cotton fibers, or mixtures thereof.
Claim 9
Dependent Claim
18 words
Textile sheet-like structures sealed in a film according to claim 7 which comprise polyfilament polyester fiber textile material.
Claim 10
Dependent Claim
18 words
Textile sheet-like structures sealed in a film according to claim 7 which comprises polyfilament polyamide fiber textile material.
Claim 11
Dependent Claim
22 words
Textile sheet-like structures sealed in a film according to claim 1 wherein a polyurethane or polyvinyl resin is the water-hardening synthetic resin.
Claim 12
Dependent Claim
32 words
Textile sheet-like structures sealed in a film according to claim 10 wherein the resin is a prepolymer reaction product of polyphenyl-polymethylene-polyisocyanate obtained by phosgenation of an aniline/formaldehyde condensate and propoxylated triethanol amine.
Claim 13
Dependent Claim
28 words
Textile sheet-like structures sealed in a film according to claim 10 wherein the resin is a prepolymer reaction product of bis-(4-isocyanatophenyl)-methane containing carbodiimidized portions and propoxylated triethanol amine.
Claim 14
Dependent Claim
31 words
Textile sheet-like structures sealed in a film according to claim 10 wherein the resin is a prepolymer reaction product of bis-(4-isocyanatophenyl)-methane and a mixture of propoxylated propylene glycol and propoxylated glycerol.
Claim 15
Dependent Claim
27 words
Textile sheet-like structures sealed in a film according to claim 10 wherein the resin is polyphenyl-polymethylene-polyisocyanate obtained by phosgenation of an aniline/formaldehyde condensate and ethoxylated triethanol amine.
Claim 16
Dependent Claim
77 words
Process for the preparation of textile sheet-like structures sealed in a film containing a water-hardening reactive resin, which comprises impregnating or coating a textile material with a water-hardening synthetic resin wherein said textile material is prepared from organic fibers with an elasticity modulus in the range from 200 to 2,500 daN/mm 2 , with an extensibility in the longitudinal direction of more than 10% and sealing said impregnated material in a film which is impermeable to water.
Claim 17
Dependent Claim
77 words
Process for the preparation of textile sheet-like structures sealed in a film containing a water-hardening reactive resin, which comprises impregnating or coating a textile material with a water-hardening synthetic resin wherein said textile material is prepared from organic fibers with an elasticity modulus in the range from 200 to 2,500 daN/mm 2 , with an extensibility in the longitudinal direction of more than 10% and sealing said impregnated material in a film which is impermeable to water.
Claim 18
Dependent Claim
24 words
Process according to claim 15 wherein the extensibility of the textile in the longitudinal direction is established by heat shrinking, wet shrinking, or both.
Claim 19
Dependent Claim
19 words
Process according to claim 16 wherein shrinking is carried out in the temperature range from 80° to 250° C.
Claim 20
Dependent Claim
25 words
Process according to claim 16 wherein the shrinking is by wet shrinking carried out by dipping or impregnating the sheet-like structure in a liquid medium.
Claim 21
Dependent Claim
14 words
Orthopedic support dressing material prepared from the textile sheet-like structures according to claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-09 | 1994-01-08 | 1994-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-09 | 1998-01-08 | 1998-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-09 | 2002-01-08 | 2002-07-10 | $7700.00 | Window Closed / Lapsed |