Schiffer; Michael C. - US Patent Attorneys and Agents

Attorney: Schiffer; Michael C.

Number of patents: 31
Last date: May 06, 2008

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Number	Title	Issue Date
7368082	Formulation of spotting solution to achieve uniform spot size and morphology and for nondestructive quality control of assay articles This invention relates to spotting solutions for the production of assay articles with uniform spot size and morphology for the detection of biopolymers, comprising N-lauroyl sarcosine in a buffered solution. Optionally the spotting solution may further comprise a f...	05/06/2008
7358094	Sensor system for saccharides An analytical system for detecting a saccharide is provided. The analytical system includes a saccharide sensor attached to a solid substrate and having the formula: Where Z is selected from the group consisting of hydrogen...	04/15/2008
6716004	Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap A blood processing system comprises a processing chamber to process blood and a fluid flow cassette that communicates with the processing chamber. The cassette comprises a body, a pump chamber formed in the body, and a flexible diaphragm on the pump chamber responsi...	04/06/2004
5104407	Selectively flexible annuloplasty ring An annuloplasty ring prosthesis which is formed from a selectively flexible body element having at least one defined length about its circumference which is substantially rigid. The remainder of the body element gradually increases in flexibility. The bod...	04/14/1992
5061277	Flexible cardiac valvular support prosthesis A support for a natural heart valve is disclosed. The support is generally ring shaped and has a size and shape to fit against the natural heart valve annulus. First length of the support is flexible, and a second length of the support is less flexible th...	10/29/1991
5041130	Flexible annuloplasty ring and holder An assembly for holding a substantially flexible lenticular shaped annuloplasty ring in a substantially taut position for suturing about a valve annulus. The assembly includes a portion which is formed with a surface against which the annuloplasty ring is...	08/20/1991
5035709	Mechanical heart valve with compliant sewing ring A mechanical heart valve having one or more leaflets pivotally fitted in a substantially cylindrical shaped valve body formed from a resiliently deformable material. A stiffening member formed from substantially nonresilient material fit about the valve b...	07/30/1991
5024671	Microporous vascular graft A vascular graft at least partially formed from porous hollow fibers, with at least some of the porous hollow fibers being located adjacent an inner surface of the vascular graft. The vascular grafts of the invention have a relatively small pore size for ...	06/18/1991
5002566	Calcification mitigation of bioprosthetic implants Calcification resistant bioprosthetic implants are made from tanned biological materials, such as porcine heart valves, bovine pericardium, human dura mater or the like, which has been impregnated with a calcification-mitigating effective amount of a ferr...	03/26/1991
4978453	Platelet collection process The present invention concerns a novel process for collecting and storing platelets. The process enables the platelets to be removed from a patient prior to surgery, stored in a quiescent environment, and returned to the patient at the end of the surgery....	12/18/1990
4954055	Variable roller pump tubing A variable diameter tube for use with a roller pump which is formed with a central large diameter section that is positioned in the roller pump raceway. This tube is formed with two end portions of substantially similar internal diameter with the diameter...	09/04/1990
4917698	Multi-segmented annuloplasty ring prosthesis A ring prosthesis which provides different flexibilities at various points about the circumference of an associated heart valve. Specifically, the annuloplasty ring prosthesis of the invention includes a segmented body formed by two or more segments. The ...	04/17/1990
4885005	Surfactant treatment of implantable biological tissue to inhibit calcification A process for the preparation of implantable biological tissue, and in particular bioprosthetic heart valves, which are prone to calcification after implantation. The process includes the treatment of tissue with an effective amount of a surfactant to red...	12/05/1989
4882113	Heterogeneous elastomeric compositions containing a fluoroelastomer and PTFE and methods for manufacturing said compositions A composition comprising a homogenous mixture of unsintered porous fluoropolymer particles and fluoroelastomers, processes for manufacturing the composition, and devices made from the composition....	11/21/1989
4876066	Integrated membrane oxygenator, heat exchanger and reservoir A membrane oxygenator includes an upper nested arrangement of a hard shell venous reservoir, a bowl-like defoamer within the reservoir and a heat exchanger coil vertically supported within the defoamer, and includes a membrane oxygenator unit mounted on t...	10/24/1989
4874581	O₂ /CO₂ control in blood oxygenators A blood oxygenator which independently controls the rate of oxygen and carbon dioxide exchange between an oxygen enriched gas and the blood. The oxygenator of the invention includes a gas inlet mechanism for diverting oxygen enriched gas between two diffe...	10/17/1989
4808648	Enhanced oil recovery composition A stable latex composition possessing a viscosity of less than about 50 cp. comprised of an ethylacrylane/methylacrylic acid/acrylic acid polymer and a nonylphenol polyethylene oxide ether sulfate useful for increasing the viscosity of water that is injec...	02/28/1989
4701274	Trisubstituted-borate compounds A lubricating composition having extreme pressure anti-wear properties comprises a lubricating oil and a trisubstituted-borate prepared by sulfurizing the reaction product of a boron compound, a phenol compound, and either a mono-functional compound or di...	10/20/1987
4657686	Lubricating compositions A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic comp...	04/14/1987
4654061	Geothermal steam separator A device for separating liquid droplets and solids out of a geothermally produced vapor stream traveling under pressure through a pipeline comprising a first means for inducing a force in the vapor stream to induce the droplets and solids to migrate to th...	03/31/1987
4647288	Hydrocarbon fuel composition containing orthoester and cyclic aldehyde polymer Hydrocarbon fuels, especially diesel fuel compositions, contain cyclic aldehyde polymers and orthoesters to reduce particulate emissions therefrom when combusted in an internal combustion engine....	03/03/1987
4647292	Gasoline composition containing acid anhydrides A fuel composition containing an acid anhydride as an anti-knock additive....	03/03/1987
4629580	Boron-containing heterocyclic compounds and lubricating oil containing same A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic comp...	12/16/1986
4629579	Boron derivatives The present invention relates to reaction products derived from boric acid, primary amines, alkene oxides or epoxides and first row transition metals or Group IVA metals, their manufacture and use. These products are used as extreme pressure, anti-wear an...	12/16/1986
4627930	Boron-containing heterocyclic compounds and lubricating oil containing same A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic comp...	12/09/1986
4602919	Gasoline compositions containing malonates A fuel composition containing a malonate as an anti-knock additive....	07/29/1986
4595514	Boron-containing heterocyclic compound and lubricating compositions containing same A boron-containing heterocyclic compound prepared by reacting a primary amine or ammonia with an alkylene oxide or epoxide and then reacting concurrently or subsequently this reaction intermediate with a boric acid. This boron-containing heterocyclic comp...	06/17/1986
4587305	Composition for use in preparing nylon block copolymer Composition for use in preparing a nylon-6 block copolymer in which a solution comprising an acyl-lactam, epsilon-caprolactam and magnesium chloride is brought into reactive admixture with a solution of magnesium dilactam in epsilon-caprolactam. The acyl-...	05/06/1986
4581419	Acyllactam functional materials A composition containing acyllactam functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, Q is ##STR2## with Y=C3 -C11 alkylene; a ...	04/08/1986
4532117	Method for reconditioning bacteria-contaminated hydrogen sulfide removal systems A method, applicable to hydrogen sulfide removal systems which employ a regenerable aqueous washing solution capable of absorbing hydrogen sulfide and converting that hydrogen sulfide to elemental sulfur, is provided for reconditioning such systems after ...	07/30/1985
4518728	Carbon black filled nylons modified for improved toughness A molding composition comprising: (1) a polyamide resin; (2) a maximum of 10 percent by weight of the composition of carbon black; and (3) a maximum of less than about 20 percent by weight of the carbon black of a copper phthalocyanine pigment....	05/21/1985

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Attorney: Schiffer; Michael C.