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US2665261A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of articles of high impact strength

Assignee: Honeywell International Inc
•
Filing: 1950-05-12
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Granted: 1954-01-05
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Expires: 1970-05-12
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Abstract

No abstract record available.

Inventors

  • 👤 Theodore C Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:43
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)

US1173337A Cited
US1930069A Cited
US2037740A Cited
US2512195A Cited
US2288695A Cited
US2384115A Cited
US2312688A Cited
US2327738A Cited

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

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