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G&W Laboratories, Inc. Patents
G&W Laboratories, Inc.
South Plainfield, NJ
No. of patents:

Patent Number Title Of Patent Date Issued
4187286 Contraceptive suppository February 5, 1980
A suppository especially adapted for vaginal insertion to act as a contraceptive which comprises a mixture of polyethylene glycol, a spermicidally-active ingredient, a thickening agent, an effervescent agent and alginic acid, the action of the alginic acid reacting with the effervesc

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