Patent library
Intellectual property rights represent an essential competitive advantage for companies in the pharmaceutical and medical device sector. Today, more than 100 international patents list Chempilots staff as inventors or contributors on patents owned by our customers.
Chempilots has a long and broad experience in generating patentable techniques and applications. In particular, we are able to develop and engineer inventions and describing these appropriately. As a result, we have filed patents in conjunction with the majority of our customers.
We also have experience in analyzing and challenging prior art to assist in the evaluation of patentability, freedom to operate, and possible infringement
The following patent list covers the main patents that include significant contributions from Chempilots:
Public. No. | Title | Pub. date | Client |
US20060036052 | Low polydispersity poly-hema compositions | 16-02-2006 | Johnson & Johnson Vision Care, Inc., |
WO05077547 | A method for dispensing viscous materials | 25-08-2005 | Johnson & Johnson Vision Care, Inc., |
US6846892 | Low polydispersity poly-HEMA compositions | 25-01-2005 | Johnson & Johnson Vision Care, Inc |
US2005004345 | Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers | 06-01-2005 | Johnson & Johnson Vision Care, Inc., |
US2004189981 | Inspection of ophthalmic lenses using absorption | 30-09-2004 | Johnson & Johnson Vision Care, Inc., |
US2004141150 | Hybrid multifocal contact lenses | 22-07-2004 | Johnson & Johnson Vision Care, Inc., |
US6765083 | Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers | 20-07-2004 | Johnson & Johnson Vision Care, Inc |
US2004119174 | Method for forming ophthalmic lenses using reusable molds | 24-06-2004 | Johnson & Johnson Vision Care, Inc., |
US6610220 | Process of manufacturing contact lenses with measured exposure to oxygen | 26-08-2003 | Johnson & Johnson Vision Care, Inc., |
WO03018641 | Temperature controlled process for preparation of homogeneous polymers | 06-03-2003 | Contura S.A. |
US6511617 | Consolidated contact lens molding | 28-01-2003 | Johnson & Johnson Vision Care, Inc., |
US2003000028 | Colorants for use in tinted contact lenses and methods for their production | 02-01-2003 | Johnson & Johnson Vision Care, Inc., |
USRE037558 | Packaging arrangement for contact lenses | 26-02-2002 | Johnson & Johnson Vision Care, Inc., |
WO0216453A1 | Polyacrylamide hydrogel and its use as an endoprosthesis | 26-02-2002 | Contura S.A. |
USRE037432 | Automated apparatus and method for preparing contact lenses for inspection and packaging | 06-11-2001 | Johnson & Johnson Vision Care, Inc., |
US6241918 | Process of manufacturing contact lenses in ambient environment | 05-06-2001 | Johnson & Johnson Vision Care, Inc., |
US6220845 | Mold clamping and precure of a polymerizable hydrogel | 24-04-2001 | Johnson & Johnson Vision Care, Inc., |
US6207086 | Method and apparatus for washing or hydration of ophthalmic devices | 27-03-2001 | Johnson & Johnson Vision Care, Inc |
US6071112 | Automated method and apparatus for single sided hydration of soft contact lenses in package carriers | 06-06-2000 | Johnson & Johnson Vision Care, Inc., |
US6071440 | Contact lens production line pallet system | 06-06-2000 | Johnson & Johnson Vision Care, Inc., |
US6039899 | Consolidated contact lens molding | 21-03-2000 | Johnson & Johnson Vision Care, Inc., |
USRE036302 | Chamber for hydrating contact lenses | 14-09-1999 | Johnson & Johnson Vision Products, Inc |
US5935492 | Method and apparatus for demolding ophthalmic contact lenses | 10-08-1999 | Johnson & Johnson Vision Products, Inc |
US5914074 | Mold clamping and precure of a polymerizable hydrogel | 22-06-1999 | Johnson & Johnson Vision Products, Inc |
US5849209 | Mold material made with additives | 15-12-1998 | Johnson & Johnson Vision Products, Inc |
US5850107 | Mold separation method and apparatus | 15-12-1998 | Johnson & Johnson Vision Products, Inc |
US5836323 | Automated method and apparatus for hydrating soft contact lenses | 17-11-1998 | Johnson & Johnson Vision Products, Inc |
US5837314 | Method and apparatus for applying a surfactant to mold surfaces | 17-11-1998 | Johnson & Johnson Vision Products, Inc |
US5804107 | Consolidated contact lens molding | 08-09-1998 | Johnson & Johnson Vision Products, Inc |
US5762081 | Automated apparatus for hydrating soft contact lenses | 09-06-1998 | Johnson & Johnson Vision Products, Inc |
US5756144 | Medical instrument with a hydrophilic, low-friction coating and method of preparation | 26-05-1998 | Meadox Medicals, Inc., Oakland, NJ |
US5753150 | Low oxygen molding of soft contact lenses | 19-05-1998 | Johnson & Johnson Vision Products, Inc |
US5706634 | Contact lens transfer device | 13-01-1998 | Johnson & Johnson Vision Products, Inc |
US5690866 | Automated method for hydrating soft contact lenses | 25-11-1997 | Johnson & Johnson Vision Products, Inc |
US5690865 | Mold material with additives | 25-11-1997 | Johnson & Johnson Vision Products, Inc |
US5675962 | Automated apparatus and method for preparing contact lenses for inspection and packaging | 14-10-1997 | Johnson & Johnson Vision Products, Inc |
US5658602 | Method and apparatus for contact lens mold filling and assembly | 19-08-1997 | Johnson & Johnson Vision Products, Inc |
US5656208 | Method and apparatus for contact lens mold filling and assembly | 12-08-1997 | Johnson & Johnson Vision Products, Inc |
US5649410 | Post-hydration method and apparatus for transporting, inspecting and packaging contact lenses | 22-07-1997 | Johnson & Johnson Vision Products, Inc |
US5639510 | Method for applying a surfactant to mold surfaces | 17-06-1997 | Johnson & Johnson Vision Products, Inc |
WO9720876 | Rapid-foaming foam for prefabricared system building | 12-06-1997 | Rathor AG |
US5620087 | Printed label structure for packaging arrangements | 15-04-1997 | Johnson & Johnson Vision Products, Inc |
US5618560 | Controlled release erodible composition | 08-04-1997 | BM Research A/S |
US5597519 | Ultraviolet cycling oven for polymerization of contact lenses | 28-01-1997 | Johnson & Johnson Vision Products, Inc |
US5578331 | Automated apparatus for preparing contact lenses for inspection and packaging | 26-11-1996 | Johnson & Johnson Vision Products, Inc |
US5558847 | Process for recovering aluminium and fluorine from fluorine containing waste materials | 24-09-1996 |
|
US5542978 | Apparatus for applying a surfactant to mold surfaces | 06-08-1996 | Johnson & Johnson Vision Products, Inc |
US5540410 | Mold halves and molding assembly for making contact lenses | 30-07-1996 | Johnson & Johnson Vision Products, Inc |
US5476111 | Apparatus for hydrating soft contact lenses | 19-12-1995 | Johnson & Johnson Vision Products, Inc |
US5416131 | Article with a coating having friction-reducing properties in wet condition as well as a method for the production of such a coated article | 16-05-1995 | Uno Plast A/S |
USD0358025 | Contact lens package | 09-05-1995 | Johnson & Johnson Vision Products, Inc |
WO9506405 | Fishing equipment | 09-03-1995 | Carlsen Net A/S |
US5226935 | Air humidification apparatus | 13-07-1993 | Skandinavisk Miljo System A/S |
US5108690: | Mat for supporting a person in an upright position and process for obtaining a resilient article having a static module which is stable over a long period | 28-04-1993 | Cellastic A/S |
US5114240 | Method and a device for preparing a mixture of a solid and a liquid component | 19-05-1992 | Wolff & Kaaber A/S |
US5080839 | Process for hydrating soft contact lenses | 14-01-1992 | Johnson & Johnson Vision Products, Inc |
US5039459 | Method of forming shaped hydrogel articles including contact lenses | 13-08-1991 | Johnson & Johnson Vision Products, Inc |
WO9013355A1 | Method and device for preparing a mixture of a solid and a liquid component | 15-11-1990 | Wolff & Kaaber A/S |
WO9005162A1: | Article having a low-friction surface coating, Method and composition for preparimg said article, | 17-05-1990 | UNOPLAST A/S |
WO9003193A1 | Bone cement | 05-04-1990 | Wolff & Kaaber A/S |
US4910259: | Bone cement | 20-02-1990 | Wolff & Kaaber A/S |
US4889664 | Method of forming shaped hydrogel articles including contact lenses | 26-12-1989 | Johnson & Johnson Vision Products, Inc |
WO8909066A1 | Controlled release composition | 05-10-1989 | Bukh Meditec A/S |
US3440219 | Polymerisation process | 22-04-1989 | Johns Manville Corp |
US5888258 | Grinding aid material, method of producing it, use of it, and abrasive material containing it | 30-03-1989 | Wolff & Kaaber A/S |
US4680336 | Method of forming shaped hydrogel articles | 14-07-1987 | Johnson & Johnson Vision Products, Inc |
US4680336 | Method of forming shaped hydrogel articles | 14-07-1987 | Vistakon, Inc., |
EP0064381B1 | Soft contact lenses and manufacture thereof | 16-02-1987 | Mia-Lens Production A/S |
US4640489: | Mold for making contact lenses, either the male or female mold sections being relatively more flexible | 03-02-1987 | Mia-Lens Production A/S |
USD281505 | Molding frame for lenses | 08-04-1986 | Mia Lens Production A/S |
US4565348: | Mold for making contact lenses, the male mold member being more flexible than the female mold member | 21-01-1986 | Mia-Lens Production A/S |
USD0281505 | Molding frame for lenses | 26-11-1985 |
|
US4495313: | Preparation of hydrogel for soft contact lens with water displaceable boric acid ester | 22-01-1985 | Mia Lens Production A/S |
US4376867 | Chemical process | 15-03-1983 | None |
US4291088 | Foam products from furfuryl alcohol-amino-formaldehyde | 12-09-1981 | Koninklijke Emballage Industrie Van Leer B.V. |
US4273887 | Process for preparation of foams by condensation reactions | 16-06-1981 | Koninklijke Emballage Industrie Van Leer B.V., |
US4258705 | Magnetic system for use in sealing body openings | 31-03-1981 | Coloplast A/S |
US4231369 | Sealing material for ostomy devices | 04-11-1980 | Coloplast International A/S |
US4132683 | Process of preparing polyfuran foams | 02-01-1979 | Koninklijke Emballage Industrie Van Leer BV |
US4118188 | Process for improving the bulkiness or texturation of synthetic multifilament textile materials | 02-10-1978 | Ultrasona AG, Zurich, Switzerland |
US4016111 | Non-burning, class 1 rating, foams and a method of producing same | 05-04-1977 | Koninklijke Emballage Industrie Van Leer B.V., |
US3975318 | Polyfuran foams and a method of preparing same | 17-08-1976 | Wolff & Kaaber |
US3975319 | Polyfuran foams and a method of preparing same | 17-04-1976 | Wolff & Kaaber, |
US3919127 | Polyfuran foams and a method of preparing same | 11-11-1975 | Wolff & Kaaber |
US3637540: | Polyurethanes from fatty acids and their production | 25-02-1972 | H.C. Andersen, Zürich |
US3637539 | Polyurethanes prepared from glyceride reaction products | 25-01-1972 | H.C. Andersen, Zürich |
US3496123 | Method for the production of highly porous or finely cellular polystyrene | 22-04-1969 | Johns Manville Corp |
EP0072095A1 | Production of sodium salicylate | 16-02-1983 | Jansen, Gert |