Patent US3006879A successfully refreshed from Google Patents.
US3006879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous resin solution catalyzed with two salts and process of impregnating fibers therewith
Assignee: Tootal Broadhurst Lee Co Ltd
•
Filing: 1958-08-12
•
Granted: 1961-10-31
•
Expires: 1978-08-12
Abstract
No abstract record available.
Inventors
- 👤 Ryan John James
- 👤 Taylor Peter John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:06
CPC Classifications
D; D06; D06Q; D06Q1/00; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08K; C08K3/00; C08K3/32; C08L; C08L61/00; C08L61/04; C08L61/06; C08L61/20; C08L61/22; C08L61/24; D06M; D06M11/00; D06M11/58; D06M11/64; D06M11/65; D06M11/68; D06M11/70; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D06M15/423; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31964; Y10T442/00; Y10T442/20; Y10T442/60; Y10T442/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN AQUEOUS SOLUTION OF THE INGREDIENTS OF AN ALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF UREAFORMALDEHYDE, MELAMINE-FORMALDEHYDE, AND PHENOLFORMALDEHYDE RESINS, WHOSE FORMATION IS CATALYZED BY ACID, CONTAINING IN SOLUTION AN ACID SALT OF A POLYBASIC ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC, PHOSPHOROUS, PYROPHOSPHORIC, MALONIC, MALIC, MALEIC, TARTARIC, AND SUCCINIC ACID HAVING A FIRST DISSOCIATION CONSTANT IN WATER OF AT LEAST 10-6, AND ALSO A SALT WITH AN ACID STRONGER THAN SAID POLYBASIC ACID OF A METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, BARIUM, CALCIUM, STRONTIUM, MAGNESIUM, ZINC, COPPER, FERROUS IRON, MANGANESE, CADMIUM AND COBALT OF WHICH A LESS ACID SALT WITH SAID POLYBASIS ACID WILL SEPARATE FROM THE SOLUTION BEFORE THE ACID SALT OF SAID METAL WITH SAID POLYBASIC ACID WHEN WATER IS REMOVED FROM SAID SOLUTION.
Claim 2
Dependent Claim
131 words
AN AQUEOUS SOLUTION OF THE INGREDIENTS OF AN ALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF UREAFORMALDEHYDE, MELAMINE-FORMALDEHYDE, AND PHENOLFORMALDEHYDE RESINS, WHOSE FORMATION IS CATALYZED BY ACID, CONTAINING IN SOLUTION AN ACID SALT OF A POLYBASIC ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC, PHOSPHOROUS, PYROPHOSPHORIC, MALONIC, MALIC, MALEIC, TARTARIC, AND SUCCINIC ACID HAVING A FIRST DISSOCIATION CONSTANT IN WATER OF AT LEAST 10-6, AND ALSO A SALT WITH AN ACID STRONGER THAN SAID POLYBASIC ACID OF A METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, BARIUM, CALCIUM, STRONTIUM, MAGNESIUM, ZINC, COPPER, FERROUS IRON, MANGANESE, CADMIUM AND COBALT OF WHICH A LESS ACID SALT WITH SAID POLYBASIS ACID WILL SEPARATE FROM THE SOLUTION BEFORE THE ACID SALT OF SAID METAL WITH SAID POLYBASIC ACID WHEN WATER IS REMOVED FROM SAID SOLUTION.
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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |