U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 424/466 - Effervescent


Subclass of Class 424 - Drug, bio-affecting and body treating compositions
Definition: Subject matter in which a tablet is claimed or disclosed
No. of patents: 370
Last issue date: 07/05/2011


                  10  
NumberTitleIssue Date
4289751Effervescent enteric-coated formulation of soluble form of erythromycin and therapeutic use thereof
Improved delivery and absorption of erythromycin in warm-blooded animals is achieved by administering thereto a non-toxic pharmaceutical effervescent enteric-coated tablet comprising: (a) an antibiotic effective amount of a non-toxic pharmaceutically acce...
09/15/1981
4265874Method of delivering drug with aid of effervescent activity generated in environment of use
A method is disclosed for delivering a drug substantially free of rapid precipitation from an osmotic device. The osmotic device comprises a semipermeable wall surrounding a compartment, housing (1) a drug that exhibits limited solubility under neutral an...
05/05/1981
4147768Enteric coated digoxin and therapeutic use thereof
Therapeutic and undegraded levels of digoxin in warm-blooded animals are achieved by orally admininstering thereto, a non-toxic pharmaceutical enteric-coated tablet comprising: (a) A cardiotonic effective amount of digoxin; (b) a non-toxic pharmaceutically acc...
04/03/1979
4127645Effervescent tablet and method
An effervescent tablet, preferably in the form of a pressed tablet, useful in inhibiting or reducing dental plaque is provided, the tablet including a core portion containing an effervescent couple, and an outer portion which coats or surrounds the core p...
11/28/1978
4070347Poly(orthoester) co- and homopolymers and poly(orthocarbonate) co- and homopolymers having carbonyloxy functionality
Poly(orthoester) co- and homopolymers and poly(orthocarbonate) co- and homopolymers comprising (1) a repeating dioxycarbon unit in the polymeric backbone having a plurality of organic groups pendant therefrom, and (2) a bridging moiety having at least one...
01/24/1978
4036228Osmotic dispenser with gas generating means
An osmotic device for delivering an active agent is disclosed. The device is comprised of a wall surrounding a compartment and has a passageway through the wall for dispensing the agent. The wall is formed of a material permeable to an external fluid and ...
07/19/1977
3976601Water soluble lubricant for tabletting compositions
An admixture of spray dried magnesium lauryl sulfate powder and micronized polyethylene glycol polymers has been found to be an excellent lubricant system in tabletting processes for making water-soluble, effervescent tablets such as tabletted denture cle...
08/24/1976
3962107Enzyme-containing denture cleanser tablet
A water-soluble effervescent, layered denture cleanser tablet containing one or more enzymes in one layer and one or more active oxygen compounds in the other layer and in which the enzyme layer is faster dissolving than the active oxygen layer and is sub...
06/08/1976
3961041Effervescent enteric coated L-dopa formulation and method of using the same
Therapeutic levels of L-DOPA are achieved by orally administering a pharmaceutical effervescent-enteric coated tablet comprising: A. a member selected from the group consisting of L-DOPA or a derivative thereof capable of enzymatically cleaving and reverting t...
06/01/1976
                  10  
 
Sign InRegister
Username  
Password   
forgot password?