US5486390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recyclable blister package
Assignee: Mobil Oil AS
•
Filing: 1994-04-25
•
Granted: 1996-01-23
•
Expires: 2014-04-25
Abstract
Abstract The invention relates to a blister package comprising: A) a first sheet selected from the group consisting of polyethylene terephthalate (PET), polyvinyl chloride (PVC), and polyvinyl chloride (PVC) coated with polyvinylidene chloride (PVDC) having a blister which forms a compartment; B) a second sheet releasably adhered to said first sheet, said second sheet comprising an oriented polypropylene (OPP) peel seal film having its side proximal to said first sheet coated with a first adhesive having controlled adhesion of 300-1200 grams per inch; and C) a third sheet of card or paper stock which is adhered to said second sheet at at least fiber tear adhesion levels with a second adhesive.
Inventors
- 👤 Donald J. Burns
- 👤 A. Michael Nahmias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:42
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/10; B32B27/30; B32B27/304; B32B27/32; B32B27/36; B32B7/00; B32B7/04; B32B7/12; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/36; B65D75/366; B32B2323/00; B32B2323/10; B32B2327/00; B32B2327/06; B32B2367/00; B32B2439/00; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1424; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
109 words
A reusable or recyclable blister package comprising: A) a first sheet selected from the group consisting of polyethylene terephthalate (PET), polyvinyl chloride (PVC), and polyvinyl chloride (PVC) coated with polyvinylidene chloride (PVDC) having a blister which forms a compartment; B) a second sheet releasably adhered to said first sheet, said second sheet comprising an oriented polypropylene (OPP) peel seal film having its side proximal to said first sheet coated with a first adhesive having controlled adhesion of 300-1200 grams per inch; and C) a third sheet of card or paper stock which is adhered to said second sheet at at least fiber tear adhesion levels with a second adhesive.
Claim 2
Dependent Claim
109 words
A reusable or recyclable blister package comprising: A) a first sheet selected from the group consisting of polyethylene terephthalate (PET), polyvinyl chloride (PVC), and polyvinyl chloride (PVC) coated with polyvinylidene chloride (PVDC) having a blister which forms a compartment; B) a second sheet releasably adhered to said first sheet, said second sheet comprising an oriented polypropylene (OPP) peel seal film having its side proximal to said first sheet coated with a first adhesive having controlled adhesion of 300-1200 grams per inch; and C) a third sheet of card or paper stock which is adhered to said second sheet at at least fiber tear adhesion levels with a second adhesive.
Claim 3
Dependent Claim
36 words
The blister package of claim 1 wherein said second sheet is peelable from said first sheet upon opening of said blister package with at least a portion of said first adhesive adhering to said first sheet.
Claim 4
Dependent Claim
49 words
The blister package of claim 1 wherein said first adhesive is selected from the group consisting of acrylic and polyvinylidene chloride sealants having a controlled adhesion of 400 to 800 grams per inch and said second adhesive is selected from the group consisting of urethane, acrylic, polyester, and polyvinylchloride.
Claim 5
Dependent Claim
43 words
The blister package of claim 1 wherein said second sheet comprising an oriented polypropylene (OPP) peel seal film has a sealable skin on its side proximal to said first sheet and an adhesion promoting skin on its side proximal to said third sheet.
Claim 6
Dependent Claim
23 words
The blister package of claim 1 wherein said first adhesive is present in amounts less than 15 wt % of said first sheet.
Claim 7
Dependent Claim
23 words
The blister package of claim 1 wherein said second adhesive is present in amounts less than 30 wt % of said first sheet.
Claim 8
Dependent Claim
20 words
The blister package of claim 1 wherein said first sheet comprises polyethylene terephthalate (PET) and said first adhesive is acrylic.
Claim 9
Dependent Claim
20 words
The blister package of claim 1 wherein said first sheet comprises polyvinyl chloride (PVC) and said first adhesive is acrylic.
Claim 10
Dependent Claim
35 words
The blister package of claim 1 wherein said first adhesive adheres to said first sheet and separates from said second sheet upon opening of the package by separating said first sheet from said second sheet.
Claim 11
Dependent Claim
109 words
A reusable or recyclable blister package comprising: A) a first sheet selected from the group consisting of polyethylene terephthalate (PET), polyvinyl chloride (PVC), and polyvinyl chloride (PVC) coated with polyvinylidene chloride (PVDC) having a blister which forms a compartment, said first sheet being coated with a first adhesive having controlled adhesion of 300-600 grams per inch; B) a second sheet releasably adhered to said first sheet by said first adhesive, said second sheet comprising an oriented polypropylene (OPP) peel seal film; and C) a third sheet of card or paper stock which is adhered to said second sheet at at least fiber tear adhesion levels with a second adhesive.
Claim 12
Dependent Claim
109 words
A reusable or recyclable blister package comprising: A) a first sheet selected from the group consisting of polyethylene terephthalate (PET), polyvinyl chloride (PVC), and polyvinyl chloride (PVC) coated with polyvinylidene chloride (PVDC) having a blister which forms a compartment, said first sheet being coated with a first adhesive having controlled adhesion of 300-600 grams per inch; B) a second sheet releasably adhered to said first sheet by said first adhesive, said second sheet comprising an oriented polypropylene (OPP) peel seal film; and C) a third sheet of card or paper stock which is adhered to said second sheet at at least fiber tear adhesion levels with a second adhesive.
Claim 13
Dependent Claim
48 words
The blister package of claim 10 wherein said first adhesive is selected from the group consisting of acrylic and polyvinylidene chloride sealants having a controlled adhesion of 400 to 800 grams per inch and said second adhesive is selected from the group consisting of urethane, acrylic, and polyethylene.
Claim 14
Dependent Claim
43 words
The blister package of claim 10 wherein said second sheet comprising an oriented polypropylene (OPP) peel seal film has a wettable skin on its side proximal to said first sheet and an adhesion promoting skin on its side proximal to said third sheet.
Claim 15
Dependent Claim
20 words
The blister package of claim 1 wherein said first adhesive comprises less than 15 wt % of said first sheet.
Claim 16
Dependent Claim
20 words
The blister package of claim 1 wherein said first adhesive comprises less than 30 wt % of said first sheet.
Claim 17
Dependent Claim
20 words
The blister package of claim 1 wherein said first sheet comprises polyethylene terephthalate (PET) and said first adhesive is acrylic.
Claim 18
Dependent Claim
20 words
The blister package of claim 1 wherein said first sheet comprises polyvinyl chloride (PVC) and said first adhesive is acrylic.
References Cited (Backward Citations)
US3734798A
Cited
US3899080A
Cited
US4469258A
Cited
US5229164A
Cited
US4784885A
Cited
EP0284648A2
Cited
US5236749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-22 | 1999-07-24 | 2000-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-22 | 2003-07-24 | 2004-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-22 | 2007-07-24 | 2008-01-23 | $7700.00 | Window Closed / Lapsed |