US3028259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive tapes having a primer coating of a half ester of a copolymer of styrene and maleic acid and a terpolymer of butadiene, styrene, vinyl pyridine
Assignee: Saint Gobain Abrasives Inc
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Filing: 1960-03-31
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Granted: 1962-04-03
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Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Charles S Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
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
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING A NON-FIBROUS FILM, A PRIMER COAT AND A RUBBER BASED PRESSURE SENSITIVE ADHESIVE OVERLYING SAID PRIMER COAT, SAID PRIMER COAT INCLUDING (1) AT LEAST 20% TOTAL SOLIDS CONTENT OF A HALF ESTER WITH A SIMPLE LOW MOLECULAR WEIGHT ALCOHOL OF A COPOLYMER OF STYRENE AND MALERIC ACID, AND (2) AT LEAST 15% TOTAL SOLID CONTENT OF A TERPOLYMER OF BUTADIENE, STYRENE, AND A COMPOUND SELECTED FROM THE GROUP COONSISTING OF 2-VINYL PYRIDINE, 4-VINYL PYRIDINE AND LOWER ALKYL DERIVATES THEREOF.
Claim 2
Dependent Claim
85 words
A PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING A NON-FIBROUS FILM, A PRIMER COAT AND A RUBBER BASED PRESSURE SENSITIVE ADHESIVE OVERLYING SAID PRIMER COAT, SAID PRIMER COAT INCLUDING (1) AT LEAST 20% TOTAL SOLIDS CONTENT OF A HALF ESTER WITH A SIMPLE LOW MOLECULAR WEIGHT ALCOHOL OF A COPOLYMER OF STYRENE AND MALERIC ACID, AND (2) AT LEAST 15% TOTAL SOLID CONTENT OF A TERPOLYMER OF BUTADIENE, STYRENE, AND A COMPOUND SELECTED FROM THE GROUP COONSISTING OF 2-VINYL PYRIDINE, 4-VINYL PYRIDINE AND LOWER ALKYL DERIVATES THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |