Patent US2544667A successfully refreshed from Google Patents.
US2544667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Werner-type chromium compounds as laminating and coating compositions
Assignee: EIDP Inc
•
Filing: 1946-04-27
•
Granted: 1951-03-13
•
Expires: 1966-04-27
Abstract
No abstract record available.
Inventors
- 👤 Max T Goebel
- 👤 Ralph K Iler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:47
CPC Classifications
C; C04; C04B; C04B12/00; C07; C07F; C07F11/00; C07F11/005; C09; C09C; C09C1/00; C09C1/34; C09J; C09J5/00; C09J5/02; C01; C01P; C01P2006/00; C01P2006/40; C09J2400/00; C09J2400/10; C09J2400/14; C09J2400/146; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A LAMINATED ARTICLE WITH LAMINAE OF GLASS BONDED WITH AN ALKYLOL-CONDENSATION POLYMER AND A COMPLEX COMPOUND OF THE WERNER TYPE CONSISTING OF A MONOCARBOXYLIC FUNCTIONAL ACIDO GROUP MADE UP OF A CARBOXYL RADICAL JOINED TO A GROUP OF THE CLASS CONSISTING OF PRIMARY ALCOHOL, PHENOL AND UREA GROUPS, THE ACIDO GROUP BEING COORDINATED, THROUGH THE CARBOXYL RADICAL, WITH A NUCLEAR TRIVALENT CHROMIUM ATOM, THE COMPLEX ALSO CONTAINING ADDITIONAL COORDINATED NUCLEAR TRIVALENT CHROMIUM, THE VALENCE AND COORDINATION POSITIONS OF ALL THE NUCLEAR CHROMIUM ATOMS, OTHER THAN THOSE POSITIONS OCCUPIED BY COORDINATED FUNCTIONAL ACIDO GROUPS, BEING OCCUPIED BY GROUPS SELECTED FROM THE CLASS CONSISTING OF AQUO GROUPS, HYDROXYL, AND MONOVALENT NEGATIVE GROUPS WHICH ARE ANIONS OF MONOBASIC ACIDS, AND THE TOTAL NUMBER OF NUCLEAR TRIVALENT CHROMIUM ATOMS WITHIN THE COMPLEX BEING FROM ONE TO TEN TIMES THE NUMBER OF COORDINATED FUNCTIONAL ACIDO GROUPS.
Claim 2
Dependent Claim
141 words
A LAMINATED ARTICLE WITH LAMINAE OF GLASS BONDED WITH AN ALKYLOL-CONDENSATION POLYMER AND A COMPLEX COMPOUND OF THE WERNER TYPE CONSISTING OF A MONOCARBOXYLIC FUNCTIONAL ACIDO GROUP MADE UP OF A CARBOXYL RADICAL JOINED TO A GROUP OF THE CLASS CONSISTING OF PRIMARY ALCOHOL, PHENOL AND UREA GROUPS, THE ACIDO GROUP BEING COORDINATED, THROUGH THE CARBOXYL RADICAL, WITH A NUCLEAR TRIVALENT CHROMIUM ATOM, THE COMPLEX ALSO CONTAINING ADDITIONAL COORDINATED NUCLEAR TRIVALENT CHROMIUM, THE VALENCE AND COORDINATION POSITIONS OF ALL THE NUCLEAR CHROMIUM ATOMS, OTHER THAN THOSE POSITIONS OCCUPIED BY COORDINATED FUNCTIONAL ACIDO GROUPS, BEING OCCUPIED BY GROUPS SELECTED FROM THE CLASS CONSISTING OF AQUO GROUPS, HYDROXYL, AND MONOVALENT NEGATIVE GROUPS WHICH ARE ANIONS OF MONOBASIC ACIDS, AND THE TOTAL NUMBER OF NUCLEAR TRIVALENT CHROMIUM ATOMS WITHIN THE COMPLEX BEING FROM ONE TO TEN TIMES THE NUMBER OF COORDINATED FUNCTIONAL ACIDO GROUPS.
References Cited (Backward Citations)
GB114189A
Cited
US1964696A
Cited
US1889383A
Cited
US2215429A
Cited
US2054489A
Cited
US2091683A
Cited
US2281752A
Cited
US2271228A
Cited
US2273040A
Cited
US2356161A
Cited
US2374657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |