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

Gradual release structures for chewing gum

Patent 4978537 Issued on December 18, 1990. Estimated Expiration Date: Icon_subject April 19, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3028308

3201353

3329574

3435110

3737521

3795744

3818107

3923939

3928633

Disintegrating agent for tablets
Patent #: 3951821
Issued on: 04/20/1976
Inventor: Davidson

More ...

Inventor

Assignee

Application

No. 340384 filed on 04/19/1989

US Classes:

426/5, Packaged, structurally defined, or coated426/96, Dry flake, dry granular, or dry particulate material426/97, Having mineral or inorganic substrate426/99, Triglyceridic material film former426/303, Plural distinct steps of coating426/307, By application of molten material426/310, Preserving426/548, Noncarbohydrate sweetener or composition containing same426/658Carbohydrate containing

Examiners

Primary: Hunter, Jeanette

Attorney, Agent or Firm

Foreign Patent References

  • 252374 EP. 01/12/1988
  • 0273009 EP. 06/12/1988
  • 0288909 EP. 11/12/1988
  • 1327761 GB. 08/12/1977

International Class

A23G 003/30

Abstract

Gradual release structures for the release of active agents in chewing gum and a process for making such structures are provided. The gradual release structures are formed by meltspinning techniques and comprise an active agent and a wall material.

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