US4552802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adhesive product, process for its manufacture and application as a dressing, packing sheet or fixing tape
Assignee: Individual
•
Filing: 1983-07-15
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Granted: 1985-11-12
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Expires: 2003-07-15
Abstract
Abstract The invention relates to a new self-adhesive product in the form of a sheet, band or tape. It comprises a cellular support coated with a layer of synthetic or natural elastomer previously treated by heating to a temperature between 70° and 160° C., followed by cooling. Application as dressing, packing sheet or fixing tape.
Inventors
- 👤 Jean-Claude Mechin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:39
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/58; A61F; A61F13/00; A61F13/00051; A61F13/00063; A61F13/02; A61F13/0203; A61F13/0206; A61F13/0246; A61F13/0253; A61F13/0276; C; C09; C09J; C09J7/00; C09J7/20; C09J7/22; C09J7/26; C09J7/30; C09J7/38; C09J7/381; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249983; Y10T428/249985; Y10T428/28; Y10T428/2852; Y10T428/2857; Y10T428/2878; Y10T428/2883; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/162
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
64 words
A self-adhesive product in the form of a sheet, band or tape comprising a support coated with at least one self-adhesive layer, which adheres to practically no product, including skin and hair, other than itself, which includes a cellular support coated with a layer of synthetic or natural elastomer previously treated by heating at a temperature between 70° and 160° C., followed by cooling.
Claim 2
Dependent Claim
64 words
A self-adhesive product in the form of a sheet, band or tape comprising a support coated with at least one self-adhesive layer, which adheres to practically no product, including skin and hair, other than itself, which includes a cellular support coated with a layer of synthetic or natural elastomer previously treated by heating at a temperature between 70° and 160° C., followed by cooling.
Claim 3
Dependent Claim
29 words
The self-adhesive product as claimed in claim 1, wherein the elastomer is a natural rubber or cis-1,4-polyisoprene, a butadiene-styrene copolymer, a cis-1,4-polybutadiene, a polyoxypropylene, a polyoxychoropropylene or a polyacrylate.
Claim 4
Dependent Claim
21 words
The self-adhesive product as claimed in either of claims 1 and 2, wherein the support consists of a band of gauze.
Claim 5
Dependent Claim
25 words
A packing sheet which consists of a self-adhesive product as claimed in any of claims 1, 2 or 3, in the form of a sheet.
Claim 6
Dependent Claim
33 words
A fixing tape of the type forming at least one loop, which consists of a self-adhesive product as claimed in any of claims 1, 2 or 3, in the form of a tape.
Claim 7
Dependent Claim
24 words
A dressing which consists of a self-adhesive product as claimed in any of claims 1, 2 or 3, in the form of a band.
Claim 8
Dependent Claim
19 words
The dressing as claimed in claim 6, wherein the layer of elastomer is impregnated with a medicinal active principle.
Claim 9
Dependent Claim
91 words
A process for the manufacture of a self-adhesive product in the form of a sheet, band or tape, comprising a cellular support coated with at least one self-adhesive layer, which adheres to practically no product, including skin and hair, other than itself, wherein a synthetic or natural elastomer is heated at a temperature between 70° and 160° C., is cooled to a temperature below 50° C., is immersed in a solvent which is left to stand and is then kneaded to obtain a doughy product which is coated on the support.
Claim 10
Dependent Claim
91 words
A process for the manufacture of a self-adhesive product in the form of a sheet, band or tape, comprising a cellular support coated with at least one self-adhesive layer, which adheres to practically no product, including skin and hair, other than itself, wherein a synthetic or natural elastomer is heated at a temperature between 70° and 160° C., is cooled to a temperature below 50° C., is immersed in a solvent which is left to stand and is then kneaded to obtain a doughy product which is coated on the support.
Claim 11
Dependent Claim
23 words
The process as claimed in claim 8, wherein the solvent is diethyl ether, dimethyl ether, phenol, naphthol, benzene, toluene, carbon tetrachloride or chloroform.
Claim 12
Dependent Claim
20 words
The process as claimed in claim 8, wherein 10 to 30 g of elastomer are employed per liter of solvent.
Claim 13
Dependent Claim
28 words
The process as claimed in claim 8, wherein the elastomer is a natural rubber or cis-1,4-polyisoprene, a butadiene-styrene copolymer, a cis-1,4-polybutadiene, a polyoxypropylene, a polyoxychloropropylene or a polyacrylate.
Claim 14
Dependent Claim
24 words
The process as claimed in either of claims 8 and 9, wherein the elastomer is heated at a temperature between 80° and 100° C.
Claim 15
Dependent Claim
19 words
A self-adhesive product in a form of a sheet, band or tape made by the process of claim 8.
Claim 16
Dependent Claim
96 words
A self-adhesive product in a form of a dressing or bandage for use in human or veterinary medicine which does not adhere to skin, hair or a wound, manufactured by a process comprising coating a cellular support with at least one self-adhesive layer, wherein a synthetic or natural elastomer is heated at a temperature between 70° and 160° C., is cooled to a temperature below 50° C., is immersed in a solvent which is left to stand and is then kneaded to obtain a doughy product which is coated on the support as said self-adhesive layer.
Claim 17
Dependent Claim
96 words
A self-adhesive product in a form of a dressing or bandage for use in human or veterinary medicine which does not adhere to skin, hair or a wound, manufactured by a process comprising coating a cellular support with at least one self-adhesive layer, wherein a synthetic or natural elastomer is heated at a temperature between 70° and 160° C., is cooled to a temperature below 50° C., is immersed in a solvent which is left to stand and is then kneaded to obtain a doughy product which is coated on the support as said self-adhesive layer.
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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) | 1988-11-11 | 1989-05-13 | 1989-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-11 | 1993-05-13 | 1993-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-11 | 1997-05-13 | 1997-11-12 | $7700.00 | Window Closed / Lapsed |