The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 1991
Filed:
Dec. 22, 1988
David B Hough, Irby, GB;
Kevin Hammond, Irby, GB;
Christine Morris, Upton by Chester, GB;
Rober C Hammond, Radwell, GB;
Unilever Patent Holdings B.V., Rotterdam, NL;
Abstract
A porous polymeric support for biological cells is prepared having a total pore volume of at least 75% formed by a plurality of voids having an average diameter within a range of from 1 and 150 .mu.m interconnected by holes. The support is prepared by forming an emulsion containing monomers and/or prepolymers in a continuous phase and having an internal phase that forms the voids of the support, and polymerizing the monomers and/or prepolymers in the continuous phase. The emulsion may be a water-in-oil emulsion with the monomers and/or prepolymers in the oil. Biological cells are introduced into at least the voids of the support. Preferably, the voids have an average size 3 to 15 times the cell size and the holes have an average size 1 to 8 times the cell size. A compound may be produced by passing reactants into the voids via the interconnecting holes to contact the cells in the voids to cause the cells to produce the compound.