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US Patent 4978537 - Gradual release structures for chewing gum

US Patent Issued on December 18, 1990
Estimated Patent Expiration Date: Icon_subject April 19, 2009Estimated 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.
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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.

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

Field of Search

426/96, Dry flake, dry granular, or dry particulate material426/97, Having mineral or inorganic substrate426/99, Triglyceridic material film former426/3, NORMALLY NONINGESTIBLE CHEWABLE MATERIAL OR PROCESS OF PREPARATION426/4, Low-adhesive type426/5, Packaged, structurally defined, or coated426/6, Containing addition type polymer426/548, Noncarbohydrate sweetener or composition containing same426/658, Carbohydrate containing426/303, Plural distinct steps of coating426/307, By application of molten material426/310Preserving

Examiners

Primary: Hunter, Jeanette

Attorney, Agent or Firm

US Patent References

3028308, 3201353, 3329574, 3435110, 3737521, 3795744, 3818107, 3923939, 3928633, 3951821, Disintegrating agent for tablets
Issued on: 04/20/1976
Inventor: Davidson
4122195, Fixation of APM in chewing gum
Issued on: 10/24/1978
Inventor: Bahoshy ,   et al.
4125519, Polypeptides containing 3,4-dihydroxyphenylalanine
Issued on: 11/14/1978
Inventor: Goodman ,   et al.
4139639, Fixation of APM in chewing gum
Issued on: 02/13/1979
Inventor: Bahoshy ,   et al.
4206301, Sustained flavor release composition
Issued on: 06/03/1980
Inventor: Yolles
4230687, Encapsulation of active agents as microdispersions in homogeneous natural polymeric matrices
Issued on: 10/28/1980
Inventor: Sair ,   et al.
4374858, Aspartame sweetened chewing gum of improved sweetness stability
Issued on: 02/22/1983
Inventor: Glass ,   et al.
4384004, Encapsulated APM and method of preparation
Issued on: 05/17/1983
Inventor: Cea ,   et al.
4384005, Non-friable, readily-soluble, compressed tablets and process for preparing same
Issued on: 05/17/1983
Inventor: McSweeney
4386106, Process for preparing a time delayed release flavorant and an improved flavored chewing gum composition
Issued on: 05/31/1983
Inventor: Merritt ,   et al.
4388328, Sorbitol containing mixture encapsulated flavor
Issued on: 06/14/1983
Inventor: Glass
4447475, Process for composite polymer beads
Issued on: 05/08/1984
Inventor: Lubbock ,   et al.
4485118, Gum composition with plural time releasing flavors and method of preparation
Issued on: 11/27/1984
Inventor: Carroll ,   et al.
4496592, Process for producing chewing gum in the form of composite fibers
Issued on: 01/29/1985
Inventor: Kuwahara ,   et al.
4515769, Encapsulated flavorant material, method for its preparation, and food and other compositions incorporating same
Issued on: 05/07/1985
Inventor: Merritt ,   et al.
4568560, Encapsulated fragrances and flavors and process therefor
Issued on: 02/04/1986
Inventor: Schobel
4590075, Elastomer encapsulation of flavors and sweeteners, long lasting flavored chewing gum compositions based thereon and process of preparation
Issued on: 05/20/1986
Inventor: Wei ,   et al.
4606940, Small particle formation and encapsulation
Issued on: 08/19/1986
Inventor: Frank ,   et al.
4634593, Composition and method for providing controlled release of sweetener in confections
Issued on: 01/06/1987
Inventor: Stroz ,   et al.
4673565, Pharmaceutical compositions containing hollow fine tubular drug delivery systems
Issued on: 06/16/1987
Inventor: Di Luccio ,   et al.
4673577, Shellac encapsulant for high-potency sweeteners in chewing gum
Issued on: 06/16/1987
Inventor: Patel
4690825, Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen
Issued on: 09/01/1987
Inventor: Won
4695463, Delivery system for active ingredients and preparation thereof
Issued on: 09/22/1987
Inventor: Yang ,   et al.
4711784, Encapsulation composition for use with chewing gum and edible products
Issued on: 12/08/1987
Inventor: Yang
4720384, Manufacture of hollow fine tubular drug delivery systems
Issued on: 01/19/1988
Inventor: Di Luccio ,   et al.
4722845, Stable cinnamon-flavored chewing gum composition
Issued on: 02/02/1988
Inventor: Cherukuri ,   et al.
4726953, Sweet flavorful soft flexible sugarless chewing gum
Issued on: 02/23/1988
Inventor: Carroll ,   et al.
4740376, Encapsulation composition for use with chewing gum and edible products
Issued on: 04/26/1988
Inventor: Yang
4752485, Novel sweetener delivery systems
Issued on: 06/21/1988
Inventor: Sharma ,   et al.
4766036Process for producing porous fibers from orientable olefin polymers having cation-containing, pendent reactive side-groups and the resultant product
Issued on: 08/23/1988
Inventor: Vaughn ,   et al.

Foreign Patent References

  • 252374 EP. 01/22/1988
  • 0273009 EP. 06/22/1988
  • 0288909 EP. 11/22/1988
  • 1327761 GB. 08/22/1977

International Class

A23G 003/30

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