U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 427/2.3 - Fluid barrier or fluid transporting product, other than merely absorbing (e.g., surgical glove, condom, lined diaper, membrane filter, IV tubing, cannula, dialysis membrane, urinary catheter)


Subclass of Class 427 - Coating processes
Definition: Processes in which the product contains a component which
No. of patents: 459
Last issue date: 05/01/2012


              9        
NumberTitleIssue Date
5591140Radiofrequency plasma treated polymeric surfaces having immobilized anti-thrombogenic agents
Polymeric surfaces of medical devices or components of medical devices are provided that have enhanced biocompatibility properties. The polymeric surface presents an anti-thrombogenic, fibrinolytic or thrombolytic interface with body fluids such as blood ...
01/07/1997
5558900One-step thromboresistant, lubricious coating
A method of making articles having lubricious polymeric coatings are disclosed. The coatings are comprised of a substantially homogeneous composite of poly(ethylene oxide) and polyisocyanate applied in a single step operation as a mixture in an inert solv...
09/24/1996
5549924Method of forming a membrane, especially a latex or polymer membrane, including a deactivating barrier and indicating layer
Single and multiple layer membranes such as gloves and condoms include one or more deactivating barrier layers and/or indicating layers to indicate to a user membrane breach or the presence of a harmful substance in blood or body fluids. A membrane may in...
08/27/1996
5547701Method of forming a paper applicator containing a water insoluble coating
An applicator is disclosed for inserting a substance into a body cavity. The applicator is especially useful for inserting a catamenial tampon into a woman's vagina. The applicator includes a tubular member formed from at least one layer of paper which ha...
08/20/1996
5543465Process for the production of hydrophilic membranes
A process for the production of hydrophilic membranes using at least one hydrophobic polymer and polyvinyl pyrrolidone as a hydrophilic polymer, membrane-forming shaping of the polymers and immobilization of the polyvinyl pyrrolidone is characterized in t...
08/06/1996
5537729Method of making ultra thin walled wire reinforced endotracheal tubing
An ultra thin walled wire reinforced endotracheal tubing includes a thin walled tubing comprising a polymeric material having a spring material incorporated therewith. Utilization of the spring wire material in combination with polymeric material results ...
07/23/1996
5514409Methods for coating invasive devices with inhibitors of thrombin
This invention relates to coating invasive devies with novel biologically active molecules which bind to and inhibit thrombin. These molecules comprise a catalytic site directed moiety (CSDM) of the formula: ##STR1## wherein X is hydrogen or is chara...
05/07/1996
5513654Slip-resistant contraceptive male condom
The disclosed sheath-like contraceptive condom, even in a rolled-up condition suitable for packaging or use, has a high coefficient of friction on the surface that comes into contact with penile skin, particularly the portion of this surface contacting th...
05/07/1996
5508060Method of polymer impregnation
Methods of impregnating various polymer substrates with an impregnation additive, by simultaneously contacting the polymer substrate with an impregnation additive, carrier liquid, and supercritical fluid are provided. The impregnation additive is substant...
04/16/1996
5498416Process for the protection of prostheses and of temporarily or permanently implantable material against bacterial colonization and infection
A method for protecting prostheses and temporarily or permanently implantable materials from bacterial colonization and infection, wherein the material is successively impregnated with: (a) a biguanide solution having the general formula (I) ##STR1##...
03/12/1996
5496581Polymeric coating
A process for coating a surface comprising applying a solution containing a polymer obtained by polymerizing a phospholipid of the following formula (I): ##STR1##...
03/05/1996
5486357Radiofrequency plasma biocompatibility treatment of inside surfaces
Internal polymeric surfaces of medical devices are provided that have enhanced biocompatibility properties. The internal polymeric surface presents an anti-thrombogenic, fibrinolytic or thrombolytic interface with body fluids such as blood flowing through...
01/23/1996
5484565Method for making a medical catheter
A polymeric article and method for making a polymeric article, such as a catheter, are disclosed wherein the article is contacted with a swelling agent, such as a solvent, and a plasticizer to make the polymeric material softer and/or more pliable or flex...
01/16/1996
5482740Sustained release bactericidal cannula
Methods of making sustained release bactericidal cannulas or catheters through which aqueous biological fluids can pass. The bactericidal cannula for catheter including a tube having an inner surface, defining and interior lumen, and an outer surface. The...
01/09/1996
5474797Bactericidal coatings for implants
Polymeric implants provided with coatings of bactericidal compounds in the form of ionized atoms by a vapor process. The polymeric implants include products designed to penetrate or enter the body, such as catheters, shunts connectors and the like. Coatin...
12/12/1995
5464650Intravascular stent and method
A method for making an intravascular stent by applying to the body of a stent a solution which includes a solvent, a polymer dissolved in the solvent and a therapeutic substance dispersed in the solvent and then evaporating the solvent. The inclusion of a...
11/07/1995
5454881Method for marking thin walled tubes
A method for marking thin walled tubes, using a laser. To prevent warping and to maintain the structural integrity of the tube, coolant is injected into the tube while it is being marked. To further prevent warping and to maintain the structural integrity...
10/03/1995
5451424Anti-infective and antithrombogenic medical articles and method for their preparation
An anti-infective medical article has chlorhexidine bulk distributed throughout a polyurethane base layer and may have a coating layer on the base layer. The coating layer may be chlorhexidine permeated into the surface or it may be an antibiotic, antithr...
09/19/1995
5441759Method to stabilize TDMAC heparin coating
A medical device is coated with a solution of TDMAC heparin and then allowed to air dry. Thereafter, the coated medical device is exposed to gamma ray radiation. The gamma radiation strengthens the bond of the TDMAC to the material of the medical device. ...
08/15/1995
5416131Article with a coating having friction-reducing properties in wet condition as well as a method for the production of such a coated article
A method of producing an article with a coating having friction-reducing properties in wet condition, the coating including a binder (a), a hydrophilic polymer (b), as well as an osmolality-increasing compound (c), where the osmolality-increasing compound...
05/16/1995
5409696Radiofrequency plasma treated polymeric surfaces having immobilized anti-thrombogenic agents
Polymeric surfaces of medical devices or components of medical devices are provided that have enhanced biocompatibility properties. The polymeric surface presents an anti-thrombogenic, fibrinolytic or thrombolytic interface with body fluids such as blood ...
04/25/1995
5380904Process for rendering a surface biocompatible, and articles containing the same
A compound of formula: ##STR1## in which X1 is a reactive group that can react to form a covalent bond with a reactive group on the surface of a material to be rendered biocompatible, X2 is a group --O.crclbar. or a ...
01/10/1995
5376400Combined plasma and gamma radiation polymerization method for modifying surfaces
A method for modifying the surface of a material by: a. exposing the surface to a glow discharge plasma to activate the surface; b. exposing the surface to an ethylenically unsaturated monomer or mixture of monomers; and c. irradiating the activated surface with ga...
12/27/1994
5370900Thin-fingered medical glove
A process for making medical gloves whose fingers have thinner walls than the rest of the gloves involves first depositing onto a hand-shaped glove form a layer of coagulant that comprises an ionic metal salt, then depositing an elastomeric layer. Part of...
12/06/1994
5370899Catheter having lubricated outer sleeve and method for making same
An elongated catheter having an interior and an exterior surface, wherein the interior surface defines a lumen passing through the catheter. The catheter further including an enclosed cavity between the interior and exterior surfaces which encircles of th...
12/06/1994
5340614Methods of polymer impregnation
Methods of impregnating various polymer substrates with an impregnation additive, by simultaneously contacting the polymer substrate with an impregnation additive, carrier liquid, and supercritical fluid are provided. The impregnation additive is substant...
08/23/1994
5338312Article having multi-layered lubricant and method therefor
An article having surfaces in sliding contact is lubricated at the interface with a multi component system. A first crosslinked basement lubricant is coated onto a surface, such as a syringe barrel. A second lubricant is coated over the crosslinked lubric...
08/16/1994
5338565Method of forming a membrane, especially a latex membrane, having a biocide barrier
Methods of forming a chemical barrier against the transmission of disease-causing microbes and other harmful agents through a membrane such as latex. In the principal method, a mold or former is coded with a coagulant, which is dried, and then the former ...
08/16/1994
5308641Biocompatibility of solid surfaces
An improved spacer material for improving the biocompatibility of a biomaterial and a method for making it in which a polyalkylimine is covalently attached to an aminated substrate and combined with a crosslinking agent which is at least difunctional in a...
05/03/1994
5295978Biocompatible hydrophilic complexes and process for preparation and use
Biocompatible polymeric complexes having utility in many fields including medical applications, as well as personal and health care, are provided and can be affixed to a variety of substrate materials which themselves may or may not also be biocompatible....
03/22/1994
5290585Lubricious hydrogel coatings
A flexible, lubricious organic coating is formed by applying a mixture of an isocyanate, a polyol, polyvinylpyrrolidone (PVP), and carrier liquid to a surface to be coated. The carrier liquid is removed and the mixture reacted to form a lubricious, flexib...
03/01/1994
5275838Immobilized polyethylene oxide star molecules for bioapplications
A method for immobilizing polyethylene oxide (PEO) star molecules in the form of hydrogel layers and a product thereof are disclosed. The PEO star molecules are biocompatible and demonstrate non-thrombogenic properties. As such, the PEO star molecule laye...
01/04/1994
5272012Medical apparatus having protective, lubricious coating
A method for providing a medical apparatus with a protective, lubricious coating is described. The method comprises providing a coating solution which contains a protective compound such as a urethane, a slip additive such as a siloxane, and optionally, a...
12/21/1993
5258041Method of biomolecule attachment to hydrophobic surfaces
A method for attaching a biomolecule to a support having a hydrophobic surface, involving the use of a long chain chemical spacer having a hydrophobic guiding group capable of becoming embedded in the surface, and the biomolecule being covalently bound to...
11/02/1993
5244654Radiofrequency plasma biocompatibility treatment of inside surfaces of medical tubing and the like
Internal polymeric surfaces of medical devices are provided that have enhanced biocompatibility properties. The internal polymeric surface presents an anti-thrombogenic, fibrinolytic or thrombolytic interface with body fluids such as blood flowing through...
09/14/1993
5217743Biomaterials of enhanced biocompatibility
The present invention provides a process for enhancing biomaterial biocompatibility. A biocompatibility-enhancing coating is covalently attached to a biomaterial surface through spacer arm-providing molecules previously covalently bonded to the functional...
06/08/1993
5217492Biomolecule attachment to hydrophobic surfaces
A long chain chemical spacer useful for attaching a biomolecule to a support having a hydrophobic surface, the spacer having a hydrophobic guiding group capable of becoming embedded in the surface, and optionally including a stopping group and/or an attac...
06/08/1993
5212000Method for providing an inner-skinned functionalized coating on the lumen-defining surface of a hollow tube
This invention provides a method for providing a functionalized inner skin on the lumen-defining surface of a hollow tube using either a Newtonian coating fluid used in combination with a relatively non-Newtonian plug fluid, or a non-Newtonian coating flu...
05/18/1993
5186972Method for lubricating articles
In a method for lubricating articles, a liquid composition including a gelling agent dissolved in a lubricant is applied to the surface of an article and caused to gel on the article. Gelling may be induced by applying the liquid composition to an article...
02/16/1993
5180605Gloves, their manufacture and use
Antimicrobial gloves such as those made of natural rubber latex may be manufactured by incorporating an antimicrobially effective amount of a non-ionic, sparingly water soluble antimicrobial agent, such as 2,4,4'-tricloro-2'-hydroxyphenyl ether, into the ...
01/19/1993
              9        
 
Sign InRegister
Username  
Password   
forgot password?