US4733774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glue patterned substrate for pouched particulate fabric softener laundry product
Assignee: Procter and Gamble Co
•
Filing: 1987-01-16
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Granted: 1988-03-29
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Expires: 2007-01-16
Abstract
Abstract Disclosed is a through-the-wash and dryer laundry product which comprises: (a) a water-permeable, water-insoluble substrate: (b) a particulate fabric softener for release in the dryer, said softener enclosed within a pouch made of the substrate; wherein (c) the substrate has on its surface a water-insoluble spaced-apart glue pattern adapted to reduce fabric softener staining when the product is used in the dryer. a
Inventors
- 👤 Vernon S. Ping, III
- 👤 Eric E. Beard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:54
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/041; C11D17/047; C11D3/00; C11D3/0005; C11D3/001
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
88 words
A through-the-wash and dryer laundry product comprising: (a) a water-permeable, water-insoluble substrate; (b) a particulate fabric softener adapted for release in the dryer upon melting at dryer operating temperatures, said softener enclosed within a pouch made of the substrate; wherein (c) the substrate has on its surface a water-insoluble, spaced-apart glue pattern adapted to reduce fabric softener staining when the product is used in the dryer wherein said glue maintains its integrity through the laudering process and has a solubility in 49° C. water of less than 10%.
Claim 2
Dependent Claim
88 words
A through-the-wash and dryer laundry product comprising: (a) a water-permeable, water-insoluble substrate; (b) a particulate fabric softener adapted for release in the dryer upon melting at dryer operating temperatures, said softener enclosed within a pouch made of the substrate; wherein (c) the substrate has on its surface a water-insoluble, spaced-apart glue pattern adapted to reduce fabric softener staining when the product is used in the dryer wherein said glue maintains its integrity through the laudering process and has a solubility in 49° C. water of less than 10%.
Claim 3
Dependent Claim
42 words
The laundry product of claim 1 wherein the spaced-apart glue pattern covers from about 1% to about 70% of said substrate surface and is present at a level of about 3 grams to about 150 grams per square meter of said substrate.
Claim 4
Dependent Claim
33 words
The laundry product of claim 2 wherein the spaced-apart glue pattern covers from about 5% to about 30% of said substrate surface and said level is 10-50 grams per square meter of substrate.
Claim 5
Dependent Claim
15 words
The laundry product of claim 1 wherein said glue pattern is a herringbone spaced-apart pattern.
Claim 6
Dependent Claim
25 words
The laundry product of claim 1 wherein said product contains laundering materials selected from antistats, soil release agents, detergents, bleaches, brighteners, enzymes, and combinations thereof.
Claim 7
Dependent Claim
25 words
The laundry product of claim 1 wherein said substrate is a fibrous substrate selected from the group consisting of polyesters, polyolefins, cellulose and mixtures thereof.
Claim 8
Dependent Claim
31 words
The laundry product of claim 1 wherein said pouch comprises a two-ply laminate made with one ply of a polyester material and a second ply of a cellulosic paper tissue material.
Claim 9
Dependent Claim
20 words
The laundry product of claim 1 wherein said glue is selected from the group consisting of polyolefins, polyesters and polyamides.
Claim 10
Dependent Claim
34 words
The laundry product of claim 1 wherein said pouch comprises two plies of a nonpilling polyethylene/polyester substrate with said spaced-apart glue pattern on an inside surface of at least one of said two plies.
Claim 11
Dependent Claim
24 words
The laundry product of claim 1 wherein said spaced-apart glue pattern is on an inside surface of at least one of said two plies.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-29 | 1991-09-28 | 1992-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-29 | 1995-09-28 | 1996-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-29 | 1999-09-28 | 2000-03-29 | $7700.00 | Window Closed / Lapsed |