US2665261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of articles of high impact strength
Assignee: Honeywell International Inc
•
Filing: 1950-05-12
•
Granted: 1954-01-05
•
Expires: 1970-05-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:18
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A MOLDING COMPOSITION COMPRISING (A), AS A FILLER, CELLULOSE FIBERS AND (B), AS A BINDER IMPREGNATING THE FILLER, A POLAR THERMOSETTING MATERIAL OF THE CLASS CONSISTING OF PHENOL-FORMALDEHYDE REACTION PRODUCTS, UNSATURATED POLYHYDRIC ALCOHOL-POLYCARBOXYLIC ACID POLYESTERS, AND REACTION PRODUCTS OF FORMALDEHYDE WITH A COMPOUND WHOSE MOLECULE HAS A PLURALITY OF NH2 GROUPS EACH CONNECTED TO A CARBON ATOM WHICH IN TURN IS CONNECTED BY A DOUBLE BOND TO AN ATOM HAVING AN ATOMIC WEIGHT FROM 14 TO 16, IN PROPORTIONS OF 0.5 TO 2.0 MOLS OF FORMALDEHYDE PER NH2 GROUP; THE CELLULOSE FIBERS HAVING BONDED THERETO FROM 2 TO 10 PER CENT OF THEIR WEIGHT OF OCTADECYLOXYMETHYL PYRIDINIUM CHLORIDE FOR REDUCING THE STRENGTH OF THE BOND BETWEEN THE POLAR THERMOSETTING MATERIAL AND THE CELLULOSE FIBERS, AND THE WEIGHT RATIO OF COATED CELLULOSE FIBERS TO (B) BEING FROM 1:1 TO 1:19.
Claim 2
Dependent Claim
139 words
A MOLDING COMPOSITION COMPRISING (A), AS A FILLER, CELLULOSE FIBERS AND (B), AS A BINDER IMPREGNATING THE FILLER, A POLAR THERMOSETTING MATERIAL OF THE CLASS CONSISTING OF PHENOL-FORMALDEHYDE REACTION PRODUCTS, UNSATURATED POLYHYDRIC ALCOHOL-POLYCARBOXYLIC ACID POLYESTERS, AND REACTION PRODUCTS OF FORMALDEHYDE WITH A COMPOUND WHOSE MOLECULE HAS A PLURALITY OF NH2 GROUPS EACH CONNECTED TO A CARBON ATOM WHICH IN TURN IS CONNECTED BY A DOUBLE BOND TO AN ATOM HAVING AN ATOMIC WEIGHT FROM 14 TO 16, IN PROPORTIONS OF 0.5 TO 2.0 MOLS OF FORMALDEHYDE PER NH2 GROUP; THE CELLULOSE FIBERS HAVING BONDED THERETO FROM 2 TO 10 PER CENT OF THEIR WEIGHT OF OCTADECYLOXYMETHYL PYRIDINIUM CHLORIDE FOR REDUCING THE STRENGTH OF THE BOND BETWEEN THE POLAR THERMOSETTING MATERIAL AND THE CELLULOSE FIBERS, AND THE WEIGHT RATIO OF COATED CELLULOSE FIBERS TO (B) BEING FROM 1:1 TO 1:19.
References Cited (Backward Citations)
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US2512195A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |