Patent US5154938A successfully refreshed from Google Patents.
US5154938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gum composition having dispersed porous beads containing plasticizers
Assignee: WM Wrigley Jr Co
•
Filing: 1990-12-20
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Granted: 1992-10-13
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Expires: 2010-12-20
Abstract
Abstract A gum having extended softness during the chew that contains water-insoluble porous polymeric beads having microporous passages impregnated with plasticizer.
Inventors
- 👤 Kevin B. Broderick
- 👤 David W. Record
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:00
CPC Classifications
A; A23; A23G; A23G4/00; A23G4/06; A23G4/08; A23G4/18; A23G4/20
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
18 words
A chewing gum having dispersed therein water-insoluble porous polymeric beads having microporous passages impregnated with a plasticizing agent.
Claim 2
Dependent Claim
18 words
A chewing gum having dispersed therein water-insoluble porous polymeric beads having microporous passages impregnated with a plasticizing agent.
Claim 3
Dependent Claim
22 words
The chewing gum of claim 1 wherein said chewing gum includes a water-soluble bulk portion and a water-insoluble chewable gum base portion.
Claim 4
Dependent Claim
14 words
The chewing gum of claim 2 wherein said water-soluble bulk portion includes a sweetener.
Claim 5
Dependent Claim
15 words
The chewing gum of claim 3 wherein said water-soluble portion further includes a flavoring agent.
Claim 6
Dependent Claim
38 words
The chewing gum of claim 1 wherein said porous polymeric beads are coated with one or more of zein, modified and unmodified cellulosics, carbohydrates, water-insoluble polymers, silica, gum arabic, fats, food-grade shellac, wax, fatty acids, or mixtures thereof.
Claim 7
Dependent Claim
38 words
The chewing gum of claim 1 wherein said polymeric beads comprise a copolymer of monomer pairs selected from the group consisting of styrene and divinylbenzene, limonene and divinylbenzene, carvone and divinylbenzene, eugenol and divinylbenzene, and ocimene and divinylbenzene.
Claim 8
Dependent Claim
15 words
The chewing gum of claim 1 wherein said plasticizing agent is liquid at chewing temperature.
Claim 9
Independent Claim
45 words
A method of producing a chewing gum with a controlled release plasticizer for extended softness of the gum during the chew, comprising: providing a chewing gum base; and dispersing within said base a plurality of water-insoluble porous polymeric beads having microporous passages impregnated with plasticizer.
Claim 10
Independent Claim
45 words
A method of producing a chewing gum with a controlled release plasticizer for extended softness of the gum during the chew, comprising: providing a chewing gum base; and dispersing within said base a plurality of water-insoluble porous polymeric beads having microporous passages impregnated with plasticizer.
Claim 11
Dependent Claim
38 words
The method of claim 8 wherein said porous polymeric beads are first coated with one or more of zein, modified and unmodified cellulosics, carbohydrates, water-insoluble polymers, silica, gum arabic, fats, food-grade shellac, wax, fatty acids, or mixtures thereof.
Claim 12
Dependent Claim
37 words
The method of claim 8 wherein said polymeric beads comprise a copolymer of monomer pairs selected from the group consisting of styrene and divinylbenzene, limonene and divinylbenzene, carvone and divinylbenzene, eugenol and divinylbenzene, and ocimene and dinvinylbenzene.
References Cited (Backward Citations)
US2973273A
Cited
US3390050A
Cited
US3886084A
Cited
US3962463A
Cited
US3985298A
Cited
US3912817A
Cited
US4000321A
Cited
US3989649A
Cited
US4324683A
Cited
US4322311A
Cited
US4259355A
Cited
US4233319A
Cited
US4407957A
Cited
US4464271A
Cited
US4444699A
Cited
US4496592A
Cited
US4673577A
Cited
US4497832A
Cited
US4485118A
Cited
US4568560A
Cited
US4588592A
Cited
US4590075A
Cited
US4744991A
Cited
US4690825A
Cited
US4711784A
Cited
WO1990007882A1
Cited
US4963369A
Cited
US4978537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-10-13 | 1996-04-13 | 1996-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-13 | 2000-04-13 | 2000-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-13 | 2004-04-13 | 2004-10-13 | $7700.00 | Window Closed / Lapsed |