Patent US3055859A successfully refreshed from Google Patents.
US3055859A
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Impact-resistant plastic compositions comprising a styrene polymer and a cross-linked acrylic acid ester polymer, and process for preparing same
Assignee: BASF SE
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Filing: 1957-09-24
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Granted: 1962-09-25
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Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Vollmert Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
C; C08; C08L; C08L29/00; C08L29/10; C08F; C08F2/00; C08F2/36; C08F265/00; C08F265/04; C08F291/00; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/70; C08G18/72; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L25/08; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L57/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN IMPACT-RESISTANT PLASTIC COMPOSITION COMPRISING (1) A RIGID POLYVINYL COMPOUND CONTAINING MORE THAN 50% BY WEIGHT OF A COMPOUNF SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALKYL STYRENES, AND HALOGENATAED STYRENES, AND (2) AN ELASTOMERIC ACRYLIC ACID ESTER POLYMER HAVING A MAXIMUM DIENE CONTENT OF ABOUT 2% BY WEIGHT OF SAID COMPOSITION, SAID ELASTOMERIC POLYMER BEING CROSSLINKED WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ADDITIONAL MOLECULES OF ELASTOMERIC POLYMER, AND MOLECULES OF SAID RIGID POLYVINYL COMPOUND, THE PROPORATION OF SAID ELASTOMERIC POLYMER BEING FROM ABOUT 3% TO ABOUT 50% BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION.
Claim 2
Dependent Claim
102 words
AN IMPACT-RESISTANT PLASTIC COMPOSITION COMPRISING (1) A RIGID POLYVINYL COMPOUND CONTAINING MORE THAN 50% BY WEIGHT OF A COMPOUNF SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALKYL STYRENES, AND HALOGENATAED STYRENES, AND (2) AN ELASTOMERIC ACRYLIC ACID ESTER POLYMER HAVING A MAXIMUM DIENE CONTENT OF ABOUT 2% BY WEIGHT OF SAID COMPOSITION, SAID ELASTOMERIC POLYMER BEING CROSSLINKED WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ADDITIONAL MOLECULES OF ELASTOMERIC POLYMER, AND MOLECULES OF SAID RIGID POLYVINYL COMPOUND, THE PROPORATION OF SAID ELASTOMERIC POLYMER BEING FROM ABOUT 3% TO ABOUT 50% BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION.
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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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |