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Helvoet Pharma N.V. Patents
Helvoet Pharma N.V.
Alken, BE
No. of patents:

Patent Number Title Of Patent Date Issued
5163919 Obturating means for container for pharmaceutical and medical preparation November 17, 1992
An obturating structure and a container provided with such an obturating structure and a syringe comprising a slidable obturating structure acting as a stopper; and a process for treating an obturating structure prepared at least from one elastomeric material and intended for a static or
4872572 Lyophilization stopper (case II) October 10, 1989
A lyophilization stopper made of a rubber elastic material is composed of a shank (1) and a circular disc shaped flange (2) made in one piece with the shank. The shank includes a cavity (4) which surrounds the longitudinal axis (A) of the shank and is open toward the free end face (3) of
4834099 Orthodontic feeding nipple May 30, 1989
The feeding nipple contains an annular connecting part the outer face of which defines a base plane and a central longitudinal axis perpendicular thereto, as well as a hemispherical shell and a hollow nozzle portion, integrally formed onto it via a narrowed neck part, having a suction

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