Patent US2613156A successfully refreshed from Google Patents.
US2613156A
Expired / Lapsed
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Thermoplastic adhesive compositions
Assignee: NAT STARCH PRODUCTS Inc
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Filing: 1949-07-21
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Granted: 1952-10-07
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Expires: 1969-07-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Mcgaffin
- 👤 Alfred G Battaglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/30; C09J7/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
THE METHOD OF MAKING A THERMOPLASTIC ADHESIVE COMPOSITION FOR PRODUCTION OF DRIED ADHESIVE FILMS WHICH ARE NON-TACKY AT ROOM TEMPERATURES BUT WHICH ARE ACTIVATABLE TO A TACKY AND ADHESIVE CONDITION BY HEAT, WHICH CONSISTS IN COALESCING A THERMOPLASTIC POLYMERIC MATERIAL AND AN NORMALLY SOLID PLASTICIZER, AND IN THEN EMULSIFYING THE RESULTING COALESCED PRODUCT YIELDING AN EMULSION OF PARTICLES OF THE PLASTICIZED POLYMERIC MATERIAL, THE PLASTICIZER BEING PRESENT IN A PROPORTION GREATER THAN THAT WHICH IS COMPATIBLE AT ROOM TEMPERATURES WITH THE THERMOPLASTIC POLYMERIC MATERIAL TO PROVIDE TWO PLASTICIZER PARTS IN THE DRIED ADHESIVE FILM OF THE COMPOSITION, ONE PART, BEING COMPATIBLE WITH THE THERMOPLASTIC POLYMERIC MATERIAL, R EMAINING IN A STATE OF COALESCENCE WITH THE SAME AND PRODUCING PARTICLES OF PLASTICIZED THERMOPLASTIC POLYMERIC MATERIAL, AND THE OTHER PART, CONSTITUTING AN EXCESS INCOMPATIBLE WITH THE THERMOPLASTIC POLYMERIC MATERIAL, SEPARATING OUT FROM THE STATE OF COALESCENCE THEREWITH AND FORMING SOLID PLASTICIZER PARTICLES DISTRIBUTED IN THE THERMOPLASTIC OLYMERIC MATERIAL.
Claim 2
Independent Claim
156 words
THE METHOD OF MAKING A THERMOPLASTIC ADHESIVE COMPOSITION FOR PRODUCTION OF DRIED ADHESIVE FILMS WHICH ARE NON-TACKY AT ROOM TEMPERATURES BUT WHICH ARE ACTIVATABLE TO A TACKY AND ADHESIVE CONDITION BY HEAT, WHICH CONSISTS IN COALESCING A THERMOPLASTIC POLYMERIC MATERIAL AND AN NORMALLY SOLID PLASTICIZER, AND IN THEN EMULSIFYING THE RESULTING COALESCED PRODUCT YIELDING AN EMULSION OF PARTICLES OF THE PLASTICIZED POLYMERIC MATERIAL, THE PLASTICIZER BEING PRESENT IN A PROPORTION GREATER THAN THAT WHICH IS COMPATIBLE AT ROOM TEMPERATURES WITH THE THERMOPLASTIC POLYMERIC MATERIAL TO PROVIDE TWO PLASTICIZER PARTS IN THE DRIED ADHESIVE FILM OF THE COMPOSITION, ONE PART, BEING COMPATIBLE WITH THE THERMOPLASTIC POLYMERIC MATERIAL, R EMAINING IN A STATE OF COALESCENCE WITH THE SAME AND PRODUCING PARTICLES OF PLASTICIZED THERMOPLASTIC POLYMERIC MATERIAL, AND THE OTHER PART, CONSTITUTING AN EXCESS INCOMPATIBLE WITH THE THERMOPLASTIC POLYMERIC MATERIAL, SEPARATING OUT FROM THE STATE OF COALESCENCE THEREWITH AND FORMING SOLID PLASTICIZER PARTICLES DISTRIBUTED IN THE THERMOPLASTIC OLYMERIC MATERIAL.
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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |