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Details for Patent: 5,690,958

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Patent 5,690,958 protects CHLORAPREP ONE-STEP, CHLORAPREP ONE-STEP FREPP, CHLORAPREP WITH TINT, and CHLORAPREP ONE-STEP SEPP, and is included in two NDAs.

This patent has fourteen patent family members in twelve countries.

Summary for Patent: 5,690,958

Title: Unit dose chlorhexadine gluconate(CHG) applicator having extended CHG shelf life
Abstract:A unit dose chlorhexadine gluconate (CHG) applicator is disclosed wherein a unit dose of the CHG is contained in a hermetically sealed manually crushable glass ampule that has an internal volume not significantly greater than the unit dose volume of the CHG. The CHG in the ampule has an effective shelf life of at least 24 months. The glass ampule of the applicator is preferably protected by a flexible cover to protect the user's hand during manual crushing of the ampule to release the CHG therefrom. In one embodiment of the invention, a cylindrical glass ampule is housed within a tubular, flexible synthetic resin cover which has a porous applicator swab at one end thereof. Upon crushing of the glass ampule, the CHG released therefrom impregnates the swab allowing the user to spread the CHG across an area to be sanitized. In a second embodiment of the invention, a cylindrical glass ampule is received within a semi-cylindrical, open-sided body cover having a flange portion that mounts a sponge-like swab communicating with the interior of the body cover. Opposed integral wing-like gripping members on the ampule permit the user to crush the ampule by squeezing the members toward one another whereupon the CHG is released from the ampule and impregnates the sponge swab. The swab soaked with the CHG antiseptic may be rubbed across an area to be sanitized.
Inventor(s): McGrath; Patrick D. (Lenexa, KS)
Assignee: Medi-Flex Hospital Products, Inc. (Overland Park, KS)
Application Number:08/723,686
Patent Claim Types:
see list of patent claims
Delivery; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 14th percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Becton Dickinson Co
CHLORAPREP ONE-STEP
chlorhexidine gluconate; isopropyl alcohol
SPONGE;TOPICAL020832-001Jul 14, 2000OTCYes5,690,958► subscribeY
Becton Dickinson Co
CHLORAPREP ONE-STEP
chlorhexidine gluconate; isopropyl alcohol
SPONGE;TOPICAL020832-004Aug 20, 2003OTCYes5,690,958► subscribeY
Becton Dickinson Co
CHLORAPREP ONE-STEP
chlorhexidine gluconate; isopropyl alcohol
SPONGE;TOPICAL020832-006Nov 21, 2006OTCYes5,690,958► subscribeY
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International Patent Family for Patent: 5,690,958

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria262323► subscribe
Australia3664697► subscribe
Australia713957► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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