US3072579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing epoxy, silicone and melamine coatings
Assignee: Individual
•
Filing: 1959-10-28
•
Granted: 1963-01-08
•
Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:53
CPC Classifications
C; C09; C09D; C09D9/00; C09D9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD FOR REMOVING COATINGS COMPRISING A MEMBER OF THE GROUP CONSISTING OF EPOXY, SILICONE AND MELAMINE RESINS, COMPRISING CONTACTING SAID COATINGS WITH A COMPOSITION SUBSTANTIALLY FREE FROM ALIPHATIC ALCOHOLS AND CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 25 PERCENT TRICHLOROACETIC ACID; FROM ABOUT 10 TO ABOUT 25 PERCENT ORTHOCRESOL; FROM 0.1 TO ABOUT 20 PERCENT WATER; AND NOT LESS THAN ABOUT 20 PERCENT OF A CHLORINATED ORGANIC SOLVENT RELATIVELY UNREACTIVE CHEMICALLY WITH TRICHLOROACETIC ACID AND ORTHOCRESOL, THE AMOUNT OF SAID SOLVENT EMPLOYED BEING SUFFICIENT TO BRING THE TOTAL COMPOSITION UP TO 100% BY WEIGHT.
Claim 2
Independent Claim
96 words
A METHOD FOR REMOVING COATINGS COMPRISING A MEMBER OF THE GROUP CONSISTING OF EPOXY, SILICONE AND MELAMINE RESINS, COMPRISING CONTACTING SAID COATINGS WITH A COMPOSITION SUBSTANTIALLY FREE FROM ALIPHATIC ALCOHOLS AND CONSISTING ESSENTIALLY OF FROM ABOUT 5 TO ABOUT 25 PERCENT TRICHLOROACETIC ACID; FROM ABOUT 10 TO ABOUT 25 PERCENT ORTHOCRESOL; FROM 0.1 TO ABOUT 20 PERCENT WATER; AND NOT LESS THAN ABOUT 20 PERCENT OF A CHLORINATED ORGANIC SOLVENT RELATIVELY UNREACTIVE CHEMICALLY WITH TRICHLOROACETIC ACID AND ORTHOCRESOL, THE AMOUNT OF SAID SOLVENT EMPLOYED BEING SUFFICIENT TO BRING THE TOTAL COMPOSITION UP TO 100% BY WEIGHT.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |