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US3203169A Expired / Lapsed US ⏱️ 0.0 years remaining

Irradiated polymers and propulsion process

Assignee: Dal Mon Research Co
•
Filing: 1958-04-24
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Granted: 1965-08-31
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Expires: 1978-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Alelio Gaetano F D

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:11
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0008; C06B21/0025; C06B45/00; C06B45/04; C06B45/06; C06B45/10

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 369 words
A SOLID PROPELLANT FUEL CONSISTING ESSENTIALLY OF AN IRRADIATED PARAFFIN MASS CONTAINING ABOUT 0.1-50 PERCENT BY WEIGHT OF A A POLYUNSATURATED CROSSLINKING MODIFIER, BASED UPON THE COMBINED WEIGHT OF SAID PARAFFIN AND SAID MODIFIER, AND HAVING A TUBULAR SHAPE WITH SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT ITS LENGTH, SAID MASS HAVING BEEN EXPOSED TO AT LEAST TWO AND NO MORE THAN 100 MERGAREPS OF HIGH-ENERGY, IONIZING RADIATION DERIVED FROM AN ENERGY SOURCE EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS, SAID POLYUNSATURATED CROSSLINKING MODIFIER BEING SELECTED FROM THE CLASS CONSISTING OF POLYUNSATURATED COMPOUNDS HAVING ONE OF THE FOLLOWING FORMULAS: (A) R2C=CR-Z-CR=CR2 (B) RC*C-Z-CR=CR2 (C) RC*C-Z-C*CR (D) R2C=CR-K-CO-X-Z-X-CO-K-CR=CR2 (E) R2C=CR-K-CO-X-Z-CO-X-K-CR=CR2 (F) R2C=CR-K-CO-X-Z-X-K-CR=CR2 (G) R2C=CR-K-X-CO-Z-CO-X-K-CR=CR2 (H) R2C=CR-K-X-CO-Z-X-K-CR=CR2 (I) R2C=CR-K-X-Z-X-K-CR=CR2 (J) R2C=CR-K''-CO-X-K''-CR=CR2 (K) R2C=CR-K"-X-K"-CR=CR2 (L) R2C=CR-K''-CR=CR2 (M) R2C=CR-K"-CO-X-K''-CR=CR2 (N) R2C-CR-K''-X-K''-CR=CR2 WHEREIN Z IS A DIVALENT GROUP HAVING AT LEAST TWO CARBON ATOMS BETWEEN SAID VALENCIES AND BEING SELECTED FROM THE CLASS CONSISTING OF DIVALENT HYDROCARBON, DIVALENT PYRIDINE, DIVALENT PIPERIDINE, DIVALENT MORPHOLINE, DIVALENT FURANE, DIVALENT PYRIMIDINE, AND DIVALENT PIPERAZINE GROUPS, AND THE HYDROCARBON, CHLORO, FLUORO, ALKOXY, CYCLOALKOXY, ALKARYLOXY, ARALOXY, ACYLOXY, CYANO, -COOR" AND -CH2COOR" DERIVATIVE THEREOF; K REPRESENTS A SYMBOL SELECTED FROM THE CLASS CONSISTING OF Z AND A SINGLE BOND CONNECTING THE TWO ATOMS OF THE FORMULA ADJACENT TO AND CONNECTED TO K; X IS SELECTED FROM THE CLASS CONSISTING OF OXYGEN AND NR2"; K'' AND K" ARE THE SAME AS DEFINED ABOVE FOR K, EXCEPT THAT IN FORMULA (G) THE SUM OF HTE CARBON ATOMS BETWEEN THE VALENCIES IN THE TWO K" IS AT LEAST TWO, IN TE FORMULA (K) THE SUM OF THE CARBON ATOMS BETWEEN THE VALENCIES IN THE TWO K"''S IS AT LEAST THREE, IN FORMULAS (L), (M) AND (N) WHEN K'' AND K" REPRESENT A DIVALENT RADICAL, THEN BOTH VALENCIES ARE ATTACHED TO THE SAME CARBON ATOM IN SAID RADICAL, AND IN FORMULA (M) ONLY ONE OF THE SYMBOLS SELECTED FROM THE CLASS CONSISTING OF K" AND K'' CAN REPRESENT A DIVALENT RADICAL; R" REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON GROUPS; AND R REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HYDROCARBON GROUPS AND THE CHLORO, FLUORO, ALOXY, ARYLOXY, CYCLOALKOXY, ALKARYLOXY, ARALKOXY, ACYLOXY, CYANO, -COOR" AND CH2COOR" DERIVATIVE OF HYDROCARBON GROUPS.
Claim 2
Dependent Claim 369 words
A SOLID PROPELLANT FUEL CONSISTING ESSENTIALLY OF AN IRRADIATED PARAFFIN MASS CONTAINING ABOUT 0.1-50 PERCENT BY WEIGHT OF A A POLYUNSATURATED CROSSLINKING MODIFIER, BASED UPON THE COMBINED WEIGHT OF SAID PARAFFIN AND SAID MODIFIER, AND HAVING A TUBULAR SHAPE WITH SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT ITS LENGTH, SAID MASS HAVING BEEN EXPOSED TO AT LEAST TWO AND NO MORE THAN 100 MERGAREPS OF HIGH-ENERGY, IONIZING RADIATION DERIVED FROM AN ENERGY SOURCE EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS, SAID POLYUNSATURATED CROSSLINKING MODIFIER BEING SELECTED FROM THE CLASS CONSISTING OF POLYUNSATURATED COMPOUNDS HAVING ONE OF THE FOLLOWING FORMULAS: (A) R2C=CR-Z-CR=CR2 (B) RC*C-Z-CR=CR2 (C) RC*C-Z-C*CR (D) R2C=CR-K-CO-X-Z-X-CO-K-CR=CR2 (E) R2C=CR-K-CO-X-Z-CO-X-K-CR=CR2 (F) R2C=CR-K-CO-X-Z-X-K-CR=CR2 (G) R2C=CR-K-X-CO-Z-CO-X-K-CR=CR2 (H) R2C=CR-K-X-CO-Z-X-K-CR=CR2 (I) R2C=CR-K-X-Z-X-K-CR=CR2 (J) R2C=CR-K''-CO-X-K''-CR=CR2 (K) R2C=CR-K"-X-K"-CR=CR2 (L) R2C=CR-K''-CR=CR2 (M) R2C=CR-K"-CO-X-K''-CR=CR2 (N) R2C-CR-K''-X-K''-CR=CR2 WHEREIN Z IS A DIVALENT GROUP HAVING AT LEAST TWO CARBON ATOMS BETWEEN SAID VALENCIES AND BEING SELECTED FROM THE CLASS CONSISTING OF DIVALENT HYDROCARBON, DIVALENT PYRIDINE, DIVALENT PIPERIDINE, DIVALENT MORPHOLINE, DIVALENT FURANE, DIVALENT PYRIMIDINE, AND DIVALENT PIPERAZINE GROUPS, AND THE HYDROCARBON, CHLORO, FLUORO, ALKOXY, CYCLOALKOXY, ALKARYLOXY, ARALOXY, ACYLOXY, CYANO, -COOR" AND -CH2COOR" DERIVATIVE THEREOF; K REPRESENTS A SYMBOL SELECTED FROM THE CLASS CONSISTING OF Z AND A SINGLE BOND CONNECTING THE TWO ATOMS OF THE FORMULA ADJACENT TO AND CONNECTED TO K; X IS SELECTED FROM THE CLASS CONSISTING OF OXYGEN AND NR2"; K'' AND K" ARE THE SAME AS DEFINED ABOVE FOR K, EXCEPT THAT IN FORMULA (G) THE SUM OF HTE CARBON ATOMS BETWEEN THE VALENCIES IN THE TWO K" IS AT LEAST TWO, IN TE FORMULA (K) THE SUM OF THE CARBON ATOMS BETWEEN THE VALENCIES IN THE TWO K"''S IS AT LEAST THREE, IN FORMULAS (L), (M) AND (N) WHEN K'' AND K" REPRESENT A DIVALENT RADICAL, THEN BOTH VALENCIES ARE ATTACHED TO THE SAME CARBON ATOM IN SAID RADICAL, AND IN FORMULA (M) ONLY ONE OF THE SYMBOLS SELECTED FROM THE CLASS CONSISTING OF K" AND K'' CAN REPRESENT A DIVALENT RADICAL; R" REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON GROUPS; AND R REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HYDROCARBON GROUPS AND THE CHLORO, FLUORO, ALOXY, ARYLOXY, CYCLOALKOXY, ALKARYLOXY, ARALKOXY, ACYLOXY, CYANO, -COOR" AND CH2COOR" DERIVATIVE OF HYDROCARBON GROUPS.
Claim 3
Dependent Claim 132 words
IN A PROCESS OF PROPELLING A ROCKET BY A ROCKET MOTOR CONSISTING ESSENTIALLY OF A THRUST CHAMBER AND EXHAUST NOZZLE, THE STEP OF COMBUSTING AN IRRADIATED CROSSLINKED MASS CONSISTING ESSENTIALLY OF PARAFFIN AND 0.1-50% BY WEIGHT OF A POLYUNSATURATED CROSSLINKING MODIFIER, AS RECTIFIED IN CLAIM 1, BASED UPON THE COMBINED WEIGHT OF SAID PARAFFIN AND SAID MODIFIER, SAID MASS BEING CONTAINED IN THE FUEL CHAMBER OF A ROCKET AND HAVING AN ELONGATED SHAPE WITH AT LEAST ONE OPENING EXTENDING LINEARLY IN SAID MASS, SAID LINEAR OPENING BEING ADAPTED TO PERMIT THE ESCAPE OF COMBUSTION PRODUCTS FROM ONLY ONE END THEREOF, AND SAID MASS HAVING BEEN EXPOSED TO AT LEAST 2 AND NO MORE THAN 100 MEGAREPS OF HIGH-ENERGY, IONIZING RADIATION DERIVED FROM AN ENERGY SOURCE EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS.

References Cited (Backward Citations)

US1906402A Cited
GB665262A Cited
US2791883A Cited
GB732047A Cited
US2763609A Cited
GB742933A Cited
US2877504A Cited
US2793970A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-30 1969-03-01 1969-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-30 1973-03-01 1973-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-30 1977-03-01 1977-08-31 $7700.00 Window Closed / Lapsed

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