US2608542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-energizable adhesives and coated products and process of making same
Assignee: Warren SD Co
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Filing: 1950-09-26
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Granted: 1952-08-26
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Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Robert L Smith
- 👤 Charles M Wiswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:55
CPC Classifications
C; C09; C09J; C09J157/00; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/35; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/28; C08L2666/54; C09J2301/00; C09J2301/30; C09J2301/304; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2883; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
SHEET MATERIAL HAVING ONE SIDE A HEAT ACTIVATABLE ADHESIVE COATING WHICH COMPRISES A SUBSTANTIALLY UNIFORM MIXTURE OF FINELY DIVIDED, INDIVIDUALLY DISTINCT, PARTICLES OF TWO DIFFERENT SOLID HEAT-ACTIVATABLE ADHESIVE SUBSANCES, EACH INDIVIDUAL PARTICLE OF ONE OF SAID ADHESIVE SUBSTANCES COMPRISING A HOMOGENEOUS FUSION OF A RESINOUS MATERIAL WITH GREATER QUANTITY OF A SOLID PLASTICIZER AND EACH PARTICLE OF THE SECOND OF SAID TWO ADHESIVE SUBSTANCES PREPONDERANTLY RESINOUS AND BEING A MEMBER OF THE GROP CONSISTING OF RESINS AND FUSIONS OF RESINS WITH SOLID PLASTICIZERS, THE INDIVIDUAL PARTICLES OF THE ADHESIVE SUBSTANCES BEING CAPABLE OF THE COATING IS HEATED TO THE FUSING TEMPERATURE, OF COALESCING TO FORM A BLEND WHICH THEREAFTER POSSESSES A SOFTENING TEMPERATURE LOWER THAN THAT OF EITHER, OF SAID TWO PARTICULATE COMPONENTS OF THE ORIGINAL COATING.
Claim 2
Dependent Claim
127 words
SHEET MATERIAL HAVING ONE SIDE A HEAT ACTIVATABLE ADHESIVE COATING WHICH COMPRISES A SUBSTANTIALLY UNIFORM MIXTURE OF FINELY DIVIDED, INDIVIDUALLY DISTINCT, PARTICLES OF TWO DIFFERENT SOLID HEAT-ACTIVATABLE ADHESIVE SUBSANCES, EACH INDIVIDUAL PARTICLE OF ONE OF SAID ADHESIVE SUBSTANCES COMPRISING A HOMOGENEOUS FUSION OF A RESINOUS MATERIAL WITH GREATER QUANTITY OF A SOLID PLASTICIZER AND EACH PARTICLE OF THE SECOND OF SAID TWO ADHESIVE SUBSTANCES PREPONDERANTLY RESINOUS AND BEING A MEMBER OF THE GROP CONSISTING OF RESINS AND FUSIONS OF RESINS WITH SOLID PLASTICIZERS, THE INDIVIDUAL PARTICLES OF THE ADHESIVE SUBSTANCES BEING CAPABLE OF THE COATING IS HEATED TO THE FUSING TEMPERATURE, OF COALESCING TO FORM A BLEND WHICH THEREAFTER POSSESSES A SOFTENING TEMPERATURE LOWER THAN THAT OF EITHER, OF SAID TWO PARTICULATE COMPONENTS OF THE ORIGINAL COATING.
References Cited (Backward Citations)
US2462029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |