Patent US3197326A successfully refreshed from Google Patents.
US3197326A
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US
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Pressure sensitive adhesive tape
Assignee: Saint Gobain Abrasives Inc
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Filing: 1964-10-26
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Granted: 1965-07-27
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles S Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/50; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2843; Y10T428/2852; Y10T428/2857; Y10T428/2878; Y10T428/2883; Y10T428/2887
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
66 words
IN A PRESSURE SENSITIVE TAPE CONSTRUCTION WHEREIN THE TAPE BACKING IS FORMED FROM A POLYETHYLENE TEREPHTHALATE FILM AND THE PRESSURE SENSITIVE ADHESIVE IS OF THE RUBBER-RESIN TYPE, THE IMPROVEMENT COMPRISING INTERPOSING THEREBETWEEN A PRIMER ADHESIVE COMPRISING A MIXTURE OF A BUTADIENE-ACRYLONITRILE ELASTOMER, A VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMER, A CHLOROPRENE POLYMER, A TACKIFYING RESIN AND A HALOGENATED FATTY ACID, THE RATIO OF COMPONENTS RANGING FROM 6:6:3:10:1 TO 6:6:12:0:12.
Claim 2
Dependent Claim
66 words
IN A PRESSURE SENSITIVE TAPE CONSTRUCTION WHEREIN THE TAPE BACKING IS FORMED FROM A POLYETHYLENE TEREPHTHALATE FILM AND THE PRESSURE SENSITIVE ADHESIVE IS OF THE RUBBER-RESIN TYPE, THE IMPROVEMENT COMPRISING INTERPOSING THEREBETWEEN A PRIMER ADHESIVE COMPRISING A MIXTURE OF A BUTADIENE-ACRYLONITRILE ELASTOMER, A VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMER, A CHLOROPRENE POLYMER, A TACKIFYING RESIN AND A HALOGENATED FATTY ACID, THE RATIO OF COMPONENTS RANGING FROM 6:6:3:10:1 TO 6:6:12:0:12.
Claim 3
Dependent Claim
143 words
IN A PRESSURE SENSITIVE TAPE CONSTRUCTION WHEREIN THE TAPE BACKING IS FORMED FROM A POLYETHYLENE TEREPHTHALATE FILM AND THE PRESSURE SENSITIVE ADHESIVE IS OF THE RUBBER RESIN TYPE, THE IMPROVEMENT COMPRISING INTERPOSING THEREBETWEEN A FIRST LAYER OF PRIMER ADHESIVE IN CONTACT WITH SAID FILM COMPRISING A MIXTURE OF A BUTADIENEACRYLONITRILE ELEASTOMER, A VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMER AND A HALOGENATED FATTY ACID, THE RATIO OF ELASTOMER TO COPOLYMER RANGING FROM 1:1 TO 1:4 AND THE HALOGENATED FATTY ACID BEING PRESENT IN FROM 5 TO 15 PARTS BY WEIGHT PER 600 PARTS OF THE ELASTOMER-COPOLYMER, AND A SECOND LAYER OF PRIME ADHESIVE IN CONTACT WITH SAID FIRST LAYER OF PRIME ADHESIVE AND WITH SAID PRESSURE SENSITIVE ADHESIVE COMPRISING A BUTADIENE-ACRYLONITRILE ELASTOMER AND A RUBBER COMPATIBLE WITH THE RUBBER USED IN THE SAID PRESSURE SENSITIVE ADHESIVE, THE RATIO OF ELASTOMER TO RUBBER RANGING FROM 1:2 TO 2:1.
Claim 4
Dependent Claim
143 words
IN A PRESSURE SENSITIVE TAPE CONSTRUCTION WHEREIN THE TAPE BACKING IS FORMED FROM A POLYETHYLENE TEREPHTHALATE FILM AND THE PRESSURE SENSITIVE ADHESIVE IS OF THE RUBBER RESIN TYPE, THE IMPROVEMENT COMPRISING INTERPOSING THEREBETWEEN A FIRST LAYER OF PRIMER ADHESIVE IN CONTACT WITH SAID FILM COMPRISING A MIXTURE OF A BUTADIENEACRYLONITRILE ELEASTOMER, A VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMER AND A HALOGENATED FATTY ACID, THE RATIO OF ELASTOMER TO COPOLYMER RANGING FROM 1:1 TO 1:4 AND THE HALOGENATED FATTY ACID BEING PRESENT IN FROM 5 TO 15 PARTS BY WEIGHT PER 600 PARTS OF THE ELASTOMER-COPOLYMER, AND A SECOND LAYER OF PRIME ADHESIVE IN CONTACT WITH SAID FIRST LAYER OF PRIME ADHESIVE AND WITH SAID PRESSURE SENSITIVE ADHESIVE COMPRISING A BUTADIENE-ACRYLONITRILE ELASTOMER AND A RUBBER COMPATIBLE WITH THE RUBBER USED IN THE SAID PRESSURE SENSITIVE ADHESIVE, THE RATIO OF ELASTOMER TO RUBBER RANGING FROM 1:2 TO 2:1.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |