US3015580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of protecting a metal surface with a coating of primary-n-octa-decylamine andarticle produced thereby
Assignee: Individual
•
Filing: 1948-08-30
•
Granted: 1962-01-02
•
Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 William A Zisman
- 👤 Pickett Lamar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:31
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
PROCESS FOR PROTECTING METAL SURFACES BY PROVIDING ON THE SURFACE A DRY, INVISIBLE OLEOPOBIC AND HYDROPHOBIC MONOMOLECULAR FILM CONSISTING OF CLOSELY PACKED AND ALIGNED MOLECULES OF PRIMARY -N-OCTADECYLAMINE, THE METHYL GROUP OF THE PRIMARY -N-OCTADECYLAMINE STANDING AWAY FROM THE SURFACE OF THE AMINO GROUP THEREOF BEING ORINTED AND ADSORBED TO THE SURFACE, WHICH COMPRISES DIPPING THE SURFACE IN CLEAN, SMOOTH CONDITION INTO A SOLUTION CONSISTING OF PRIMARY -N-OCTADECYLAMINE IN A HIGHER BOILING LIQUID HYDROCARBON WHICH DOSES NOT WET THE PRIMARY -N-OCTADECYLAMINE WHEN THE LATTER IS ADSORBED TO THE SURFACE, ALLOWINMG ADSORPTION OF THE PRIMARY -N-OCTADECYLAMINE FROM THE SOLUTION TO THE SURFACE TO TAKE PLACE AT A TEMPERATURE BELOW THAT AT WHICH THE SURFACE BECOMES
Claim 2
Dependent Claim
114 words
PROCESS FOR PROTECTING METAL SURFACES BY PROVIDING ON THE SURFACE A DRY, INVISIBLE OLEOPOBIC AND HYDROPHOBIC MONOMOLECULAR FILM CONSISTING OF CLOSELY PACKED AND ALIGNED MOLECULES OF PRIMARY -N-OCTADECYLAMINE, THE METHYL GROUP OF THE PRIMARY -N-OCTADECYLAMINE STANDING AWAY FROM THE SURFACE OF THE AMINO GROUP THEREOF BEING ORINTED AND ADSORBED TO THE SURFACE, WHICH COMPRISES DIPPING THE SURFACE IN CLEAN, SMOOTH CONDITION INTO A SOLUTION CONSISTING OF PRIMARY -N-OCTADECYLAMINE IN A HIGHER BOILING LIQUID HYDROCARBON WHICH DOSES NOT WET THE PRIMARY -N-OCTADECYLAMINE WHEN THE LATTER IS ADSORBED TO THE SURFACE, ALLOWINMG ADSORPTION OF THE PRIMARY -N-OCTADECYLAMINE FROM THE SOLUTION TO THE SURFACE TO TAKE PLACE AT A TEMPERATURE BELOW THAT AT WHICH THE SURFACE BECOMES
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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |