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EP0140854A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Bacteria repellent surfaces

Assignee: Alfa Laval Agri International AB
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Filing: 1984-10-01
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Granted: —
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Expires: 2004-10-01
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Abstract

Abstract The present invention relates to the use of hydrophilic surfaces in order to restrict the adhesion of bacteria on objects coming into contact with bacteria, such as objects within the food stuff industry, and within health care. The hydrophilic surface can be neutral or charged for electrostatic repulsion of bacteria present and/or proteins.

Inventors

  • 👤 Vilhelm Einar Stellan Hjerten
  • 👤 Torkel Mikael Wadström

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 13:27
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/28; A61L27/34; A01; A01N; A01N25/00; A01N25/34; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/30; A61L17/00; A61L17/04; A61L27/50; A61L29/00; A61L29/08; A61L29/085; A61L33/00; A61L33/0005

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 22 words
The use of hydrophilic surfaces on articles made of polymers, glass, rubber,'and metal in order to obtain repulsion of bacteria and/or protein.
Claim 2
Dependent Claim 22 words
The use of hydrophilic surfaces on articles made of polymers, glass, rubber,'and metal in order to obtain repulsion of bacteria and/or protein.
Claim 3
Dependent Claim 25 words
The use according to claim 1, whereby the articles consist of industrial means for food production or primary production such as of meat and milk.
Claim 4
Dependent Claim 16 words
The use according to claim 1, whereby the articles consist of objects used within health care.
Claim 5
Dependent Claim 18 words
The use according to claim 1, whereby the articles consist of objects being in contact with marine 'millieu.
Claim 6
Dependent Claim 40 words
The use according to claim 1 or 2, whereby the articles consist of means arranged to come into contact with milk products during handling, inclusive of processing the milk on its way from a milk producing animal to a consumer.
Claim 7
Dependent Claim 16 words
The use according to claim 5, whwereby the articles consist of part/parts in equipment for milking.
Claim 8
Dependent Claim 18 words
The use according to claim 5, whereby the articles consist of part/parts in equipment for a dairy plant.
Claim 9
Dependent Claim 20 words
The use according to claim 1 and 3, whereby the articles consist of products for parenteral, and enteral, respectively, therapy.
Claim 10
Dependent Claim 13 words
The use according to claim 8, whereby the article consists of a catheter.
Claim 11
Dependent Claim 17 words
The use according to claim 8, whereby the article consists of the extracorporeal part of the catheter.
Claim 12
Dependent Claim 17 words
The use according to claims 1 and 3, whereby the articles consist of objects for peritoneal dialysis.
Claim 13
Dependent Claim 15 words
The use according to claims 1 and 3, whereby the articles consist of implantable materials.
Claim 14
Dependent Claim 12 words
The use according to claim 12, whereby the article consists of suture.
Claim 15
Dependent Claim 24 words
The use according to one or more of the preceeding claims, whereby the hydrophilic surface is a polyurethane having been modified using hydroxyethyl methacrylate.
Claim 16
Dependent Claim 26 words
The use according to one or more of claims 1 to 13, whereby the hydrophilic surface is a polyvinylidene fluoride having been modified using acrylic acid.
Claim 17
Dependent Claim 26 words
The use according to one or more of claims 1 to 13, whwereby the hydrophilic surface is polyethylene and/or polypropylene having been modified using acrylic amide.
Claim 18
Dependent Claim 57 words
The use according to one or more of the preceeding claims, whereby the hydrophilic surface has an ability of repelling bacteria that the surface after having been incubated for one hour using a bacterial suspension containing 10 8 bacteria per ml of a strongly hydrophobic bacterial strain does not contain more than 50.10 bacteria per cm .

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