US3322705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefins stabilized with mixtures comprising a 2-hydroxy, 4-benzyloxy benzophenone, thiodipropionate and metal salt of a monocarboxylic acid
Assignee: Argus Chemical Corp
•
Filing: 1966-02-15
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Granted: 1967-05-30
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Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 Otto S Kauder
- 👤 Rosenbaum Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:46
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07C205/00; C07C205/45; C07C49/00; C07C49/76; C07C49/84; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A STABILIZER COMPOSITION FOR USE IN IMPROVING THE RESISTANCE OF POLYOLEFINS PRODUCED FROM MONOMERS CONTAINING FROM ABOUT TWO TO ABOUT SIX CARBON ATOMS TO DETERIORATION IN PHYSICAL PROPERTIES COMPRISING AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.1 TO ABOUT 500 PARTS BY WEIGHT OF A BENZOPHENONE COMPOUND AN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.4 TO ABOUT 500 PARTS BY WEIGHT OF ANOTHER POLYOLEFIN STABILIZER SELECTED FROM THE GROUP CONSISTING OF PHENOSL, ORGANIC PHOSPHITES, SALTS OF ORGANIC NON-NITROGENOUS MONOCARBOXYLIC ACIDS, THIDIPROPIONIC ACID ESTERS, ORGANIC MERCAPTANS AND ORGANIC POLYSULFIDES, THE BENZOPHENONE COMPOUND BEING CHARACTERIZED BY THE FORMULA
Claim 2
Dependent Claim
97 words
A STABILIZER COMPOSITION FOR USE IN IMPROVING THE RESISTANCE OF POLYOLEFINS PRODUCED FROM MONOMERS CONTAINING FROM ABOUT TWO TO ABOUT SIX CARBON ATOMS TO DETERIORATION IN PHYSICAL PROPERTIES COMPRISING AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.1 TO ABOUT 500 PARTS BY WEIGHT OF A BENZOPHENONE COMPOUND AN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.4 TO ABOUT 500 PARTS BY WEIGHT OF ANOTHER POLYOLEFIN STABILIZER SELECTED FROM THE GROUP CONSISTING OF PHENOSL, ORGANIC PHOSPHITES, SALTS OF ORGANIC NON-NITROGENOUS MONOCARBOXYLIC ACIDS, THIDIPROPIONIC ACID ESTERS, ORGANIC MERCAPTANS AND ORGANIC POLYSULFIDES, THE BENZOPHENONE COMPOUND BEING CHARACTERIZED BY THE FORMULA
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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 |