US2613191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic adhesives
Assignee: NAT STARCH PRODUCTS Inc
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Filing: 1949-06-04
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Granted: 1952-10-07
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Expires: 1969-06-04
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 22:04
CPC Classifications
C; C09; C09J; C09J157/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
THE METHOD OF MAKING A THERMOPLASTIC ADHESIVE COMPOSITION SUITABLE FOR THE PRODUCTION OF THIN, DRIED ADHESIVE COATINGS WHICH ARE ACTIVATABLE AT ROOM TEMPERATURES BUT WHICH ARE ACTIVATABLE TO A TACKY AND ADHESIVE CONDITION BY HEAT WHICH CONSISTS, IN MELTING A SOLID PLASTICIZER, IN MIXING THE MELTED PLASTICIZER WITH AN EMULSIFYING AGENT IN AN AQUEOUS MEDIUM AND PRODUCING AN EMULSION OF THE PLASTICIZER PARTICLES IN WHICH THE PLASTICIZER PARTICLES ARE COATED WITH THE EMULSIFYING AGENT, AND THEN MIXING THE EMULSION WITH A THERMOPLASTIC POLYMERIC MATERIAL AND PRODUCING THE THERMOPLASTIC ADHESIVE COMPOSITION, THE RESOLIDIFIED PLASTICIZER PARTICLES BEING DISPERSED IN THE COMPOSITION AND BEING PHYSICALLY SEPARATED IN THE FORM OF DISCRETE PARTICLES FROM THE THERMOPLASTIC POLYMERIC MATERIAL THEREOF, THE SAID COATED PLASTICIZER PARTICLES BEING INACTIVE TOWARDS THE THERMOPLASTIC POLYMERIC MATERIAL AT ROOM TEMPERATURE BUT BEING FUSIBLE AND RENDERED ACTIVATED AS A PLASTICIZER FOR SAID THERMOPLASTIC POLYMERIC MATERIAL TO RENDER COATINGS THEREOF TACKY AND ADHESIVE UNDER HEAT APPLIED TO SUCH COATINGS.
Claim 2
Independent Claim
157 words
THE METHOD OF MAKING A THERMOPLASTIC ADHESIVE COMPOSITION SUITABLE FOR THE PRODUCTION OF THIN, DRIED ADHESIVE COATINGS WHICH ARE ACTIVATABLE AT ROOM TEMPERATURES BUT WHICH ARE ACTIVATABLE TO A TACKY AND ADHESIVE CONDITION BY HEAT WHICH CONSISTS, IN MELTING A SOLID PLASTICIZER, IN MIXING THE MELTED PLASTICIZER WITH AN EMULSIFYING AGENT IN AN AQUEOUS MEDIUM AND PRODUCING AN EMULSION OF THE PLASTICIZER PARTICLES IN WHICH THE PLASTICIZER PARTICLES ARE COATED WITH THE EMULSIFYING AGENT, AND THEN MIXING THE EMULSION WITH A THERMOPLASTIC POLYMERIC MATERIAL AND PRODUCING THE THERMOPLASTIC ADHESIVE COMPOSITION, THE RESOLIDIFIED PLASTICIZER PARTICLES BEING DISPERSED IN THE COMPOSITION AND BEING PHYSICALLY SEPARATED IN THE FORM OF DISCRETE PARTICLES FROM THE THERMOPLASTIC POLYMERIC MATERIAL THEREOF, THE SAID COATED PLASTICIZER PARTICLES BEING INACTIVE TOWARDS THE THERMOPLASTIC POLYMERIC MATERIAL AT ROOM TEMPERATURE BUT BEING FUSIBLE AND RENDERED ACTIVATED AS A PLASTICIZER FOR SAID THERMOPLASTIC POLYMERIC MATERIAL TO RENDER COATINGS THEREOF TACKY AND ADHESIVE UNDER HEAT APPLIED TO SUCH COATINGS.
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 |