US3322708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene compositions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-05-17
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Granted: 1967-05-30
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest V Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L2205/00; C08L2205/03; C08L23/04; C08L23/08; C08L23/0846; C08L23/0853; C08L23/0869; C08L91/00; C08L91/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A SOLID HOMOGENEOUS COMPOSITION OF MATTER COMPRISING A MAJOR PROPORTION OF A SOLID POLYPROPYLENE RESIN HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 100,000 TO 500,000 STAUDINGER, A MINOR PROPORTION, IN THE RANGE OF ABOUT 1 TO ABOUT 35 PERCENTY BY WEIGHT OF PETROLEUM WAX HAVING A MELTING POINT IN THE RANGE OF ABOUT 120* TO ABOUT 200*F., SAID WAX BEING SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAXES AND MICROCRYSTALLINE WAXESS, AND A MINOR PROPORTION, IN THE RANGE OF FROM ABOUT 0.5 TO ABOUT 15 WEIGHT PERCENT OF A CO-SOLVENT FOR SAID WAX, SAID WAX BEING DISSOLVED IN SAID POLYPROPYLENE RESIN BUT NORMALLY TENDING TO CRYSTALLIZE FROM SAID RESIN AND FORM A WAX BLOOM, SAID CO-SOLVENT BEING EFFECTIVE TO PREVENT SAID WAX BLOOM, SAID CO-SOLVENT BEING A COPOLYMER OF ETHYLENE AND AN UNSATURATED ESTER SELECTED FROM THE GROUP CONSISTING OF VINYL ALCOHOL ESTERS OF SATURATED C1 TO C12 ALIPHATIC MONOCARBOXYLIC ACIDS, ACRYLIC ACID ESTERS OF C1 TO C12 SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS, AND METHACRYLIC ACID ESTERS OF C1 TO C12 SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS, SAID COPOLYMER HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 3,000 TO 500,000 AND A MOLAR RATIO OF ETHYLENE TO UNSATURATED ESTER IN THE RANGE OF 1:1 TO 15:1.
Claim 2
Dependent Claim
206 words
A SOLID HOMOGENEOUS COMPOSITION OF MATTER COMPRISING A MAJOR PROPORTION OF A SOLID POLYPROPYLENE RESIN HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 100,000 TO 500,000 STAUDINGER, A MINOR PROPORTION, IN THE RANGE OF ABOUT 1 TO ABOUT 35 PERCENTY BY WEIGHT OF PETROLEUM WAX HAVING A MELTING POINT IN THE RANGE OF ABOUT 120* TO ABOUT 200*F., SAID WAX BEING SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAXES AND MICROCRYSTALLINE WAXESS, AND A MINOR PROPORTION, IN THE RANGE OF FROM ABOUT 0.5 TO ABOUT 15 WEIGHT PERCENT OF A CO-SOLVENT FOR SAID WAX, SAID WAX BEING DISSOLVED IN SAID POLYPROPYLENE RESIN BUT NORMALLY TENDING TO CRYSTALLIZE FROM SAID RESIN AND FORM A WAX BLOOM, SAID CO-SOLVENT BEING EFFECTIVE TO PREVENT SAID WAX BLOOM, SAID CO-SOLVENT BEING A COPOLYMER OF ETHYLENE AND AN UNSATURATED ESTER SELECTED FROM THE GROUP CONSISTING OF VINYL ALCOHOL ESTERS OF SATURATED C1 TO C12 ALIPHATIC MONOCARBOXYLIC ACIDS, ACRYLIC ACID ESTERS OF C1 TO C12 SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS, AND METHACRYLIC ACID ESTERS OF C1 TO C12 SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS, SAID COPOLYMER HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 3,000 TO 500,000 AND A MOLAR RATIO OF ETHYLENE TO UNSATURATED ESTER IN THE RANGE OF 1:1 TO 15:1.
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |