Patent US2624690A successfully refreshed from Google Patents.
US2624690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive compositions comprising polymerized methyl methacrylate, an ester of salicylic acid and an organic solvent
Assignee: Portland Plastics Ltd
•
Filing: 1947-02-04
•
Granted: 1953-01-06
•
Expires: 1967-02-04
Abstract
No abstract record available.
Inventors
- 👤 Sidney Arthur Leader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:53
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/44; A61L15/58; A61L26/00; A61L26/0009; A61L26/0014; A61L26/0061; A61L26/0066; A61L2300/00; A61L2300/20; A61L2300/216; A61L2300/40; A61L2300/404; Y; Y10; Y10S; Y10S602/00; Y10S602/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A LIQUID OR PASTY COMPOSITION ADAPTED, WHEN APPLIED TO THE SKIN OR A WOUND SURFACE AND UPON EVAPORATION OF THE SOLVENT CONSISTITUENT THEREOF, TO FORM A STABLE, FLEXIBLE, ADHESIVE, WATERPROOF, GERMICIDAL FILM, SAID COMPOSITION CONSISTING ESSENTIALLY OF POLYMERIZED METHYL METHACRYLATE AND AN ESTER OF SALICYLIC ACID SELECTED FROM THE GROUP CONSISTING OF METHYL SALICYLATE AND PHENYL SALICYLATE DISSOLVED IN A VOLATILE ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ACETONE, METHYL ETHYL KETONE, CHLOROFORM, METHYLENE CHLORIDE AND ETHYL CHLORIDE, SAID ESTER OF SALICYLIC ACID BEING PRESENT IN A PROPORTION OF FROM 30 TO 120 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE POLYMERIZED METHACRYLATE.
Claim 2
Dependent Claim
106 words
A LIQUID OR PASTY COMPOSITION ADAPTED, WHEN APPLIED TO THE SKIN OR A WOUND SURFACE AND UPON EVAPORATION OF THE SOLVENT CONSISTITUENT THEREOF, TO FORM A STABLE, FLEXIBLE, ADHESIVE, WATERPROOF, GERMICIDAL FILM, SAID COMPOSITION CONSISTING ESSENTIALLY OF POLYMERIZED METHYL METHACRYLATE AND AN ESTER OF SALICYLIC ACID SELECTED FROM THE GROUP CONSISTING OF METHYL SALICYLATE AND PHENYL SALICYLATE DISSOLVED IN A VOLATILE ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ACETONE, METHYL ETHYL KETONE, CHLOROFORM, METHYLENE CHLORIDE AND ETHYL CHLORIDE, SAID ESTER OF SALICYLIC ACID BEING PRESENT IN A PROPORTION OF FROM 30 TO 120 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE POLYMERIZED METHACRYLATE.
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) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |