| Patent Number |
Title Of Patent |
Date Issued |
| 7556822 |
Biomedical compositions |
July 7, 2009 |
| A method of preparing intraocular lenses in situ is disclosed. The method involves the injection of an unsaturated macromonomer of Formula I: ##STR00001## The macromonomer is then polymerized to give a polymer suitable for use in an intraocular lens. |
| 7553880 |
Extended wear ophthalmic lens |
June 30, 2009 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 7538146 |
Extended wear ophthalmic lens |
May 26, 2009 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 7468398 |
Extended wear ophthalmic lens |
December 23, 2008 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 7348022 |
Biomedical composition |
March 25, 2008 |
| A method of preparing intraocular lenses in situ is disclosed. The method involves the injection of an unsaturated macromonomer of the formula ##STR00001## The macromonomer is then polymerized to give a polymer having an E modulus in the range 0.5-5 kPa. |
| 7138471 |
Hydrophilic biomedical compositions |
November 21, 2006 |
| A hydrophilic ethylenically unsaturated macromonomer is disclosed that is prepared by the addition polymerization of addition polymerizable monomers that include monomers that have hydroxyl or amino functional groups, some of which may be subsequently reacted to provide (meth)acryl e |
| 7026423 |
Silicon-based polycarbonates |
April 11, 2006 |
| A silicon-based polycarbonate of formula (I): ##STR00001## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.8 and R.sub.9 are the same or different and selected from hydrogen or an optionally substituted straight chain, branched or cyclic, saturated or unsaturated |
| 6951894 |
Extended wear ophthalmic lens |
October 4, 2005 |
| An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 6774197 |
Hydrophilic biomedical composition |
August 10, 2004 |
| A hydrophilic ethylenically unsaturated macromonomer is disclosed that is prepared by the addition polymerization of addition polymerizable monomers that include monomers that have hydroxyl or amino functional groups, some of which may be subsequently reacted to provide (meth)acryl ethyl |
| 6663668 |
Hydratable siloxane comprising porous polymers |
December 16, 2003 |
| An hydratable porous polymer comprising a polymerized polyorganosiloxane macromonomer of formula Iwherein c is in the range of from 0 to 5, preferably in the range of from 0 to 3; M may be the same or different and is a difunctional block of molecular weight in the range of from 100 t |
| 6627724 |
Polysiloxane-containing polyurethane elastomeric compositions |
September 30, 2003 |
| The present invention relates to a material having improved mechanical properties, clarity, processability and/or degradation resistance comprising a polyurethane elastomeric composition which includes a soft segment derived from at least one polysiloxane macrodiol and at least one p |
| 6503958 |
Biomaterials |
January 7, 2003 |
| The present invention relates to porous polymers incorporating dihydroperfluoroalkyl acrylates and methacrylates and the like and their production. The invention also relates to the use of polymers derived from dihydroperfluoroalkyl acrylates and methacrylates and like compounds, in |
| 6420452 |
Silicon-containing chain extenders |
July 16, 2002 |
| A polyurethane composition comprising a chain extender including a silicon-containing diol of the formula (I): ##STR1##wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are the same or different and selected from an optionally substituted straight chain, branched or |
| 6313254 |
Polysiloxane-containing polyurethane elastomeric compositions |
November 6, 2001 |
| The present invention relates to a material having improved mechanical properties, clarity, processability and/or degradation resistance comprising a polyurethane elastomeric composition which includes a soft segment derived from at least one polysiloxane macrodiol and at least one p |
| 6225367 |
Polymers |
May 1, 2001 |
| The present invention relates to polymers comprising one or more perfluoroalkylpolyether units and one or more different charged units, to a process for producing such polymers in non-porous or particularly in porous form and to mouldings composed thereof.The novel polymers have an impro |
| 6160030 |
High water content porous polymer |
December 12, 2000 |
| The present invention relates to porous polymers comprising a perfluoropolyether unit, to a process for producing such porous polymers, in particular to a process for polymerising or copolymerising monomers incorporating perfluoropolyethers to form porous polymers, to articles made o |
| 6060530 |
Process for manufacture of a porous polymer by use of a porogen |
May 9, 2000 |
| The invention is directed to a process for producing a porous polymer comprising the steps of: (1) dispersing a porogen in a continuous monomer component phase wherein said continuous monomer component phase comprises at least one monomer having at least one perfluoropolyether unit and |
| 6034263 |
Control of molecular weight and end group functionality in polymers using unsaturated peroxy com |
March 7, 2000 |
| A process for the production of lower molecular weight polymers by free radical polymerization, characterized in that there is added to the polymerization system a compound of the general formula I ##STR1## wherein R.sup.1 is hydrogen, chlorine, an alkyl group, or a group capable |
| 6015609 |
Process for manufacture of a porous polymer from a mixture |
January 18, 2000 |
| The present invention is directed to a process for the production of a porous polymer comprising the steps of: i) forming a mixture comprising a polymerizable component and an organic solvent wherein the polymerizable component comprises at least one macromonomer having at least one |
| 5981615 |
Polymerizable siloxane macromonomers |
November 9, 1999 |
| A macromonomer of the formula I is described:wherein n is zero or at least 1.0;Q is a polymerizable group;B may be the same or different and is a difunctional block of molecular weight in the range of from 100 to 8000 and wherein at least one B is a residue from a difunctional polymer or cop |
| 5849811 |
Extended wear ophthalmic lens |
December 15, 1998 |
| An ophthalmic lens suited for extended-wear for periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 5760100 |
Extended wear ophthalmic lens |
June 2, 1998 |
| An ophthalmic lens suited for extended-wear for periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water |
| 5739228 |
Polymerization using thionoester compounds as chain transfer agents |
April 14, 1998 |
| A process for the production of low molecular weight polymers by free radical polymerization of one or more monomers in the presence of a chain transfer agent, wherein the chain transfer agent comprises one or more compounds of the general formula I ##STR1## wherein R.sup.1 is a |
| 5698648 |
Control of Molecular weight and end group functionality in polymers using unsaturated peroxy com |
December 16, 1997 |
| A process for the production of lower molecular weight polymers by free radical polymerization, characterized in that there is added to the polymerization system a compound of the general formula I ##STR1## wherein R.sup.1 is hydrogen, chlorine, an alkyl group, or a group capable |
