US4174325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic ABS moulding compositions with improved impact strength
Assignee: Bayer AG
•
Filing: 1978-01-30
•
Granted: 1979-11-13
•
Expires: 1998-01-30
Abstract
Abstract ABS moulding compositions containing 0.1 to 10% by weight of at least one ester of an aliphatic saturated C 10 to C 22 -monocarboxylic acid and an aliphatic or aromatic hydroxy compound having 1 to 6 hydroxyl groups as a processing auxiliary.
Inventors
- 👤 Alfred Pischtschan
- 👤 Siegfried Adelmann
- 👤 Dieter Margotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
48 words
Thermoplastic ABS moulding compositions containing 0.1-10% by weight of at least one ester of a saturated aliphatic monocarboxylic acid with 10-22 C-atoms with a hydroxy compound selected from the group consisting of stearyl alcohol, ethylene glycol, glycerine, trimethylol propane, hexanetriol, erythritol, mannitol, sorbitol, pentaerythritol, bisphenol-A, hydroquinone, and phloroglucinol.
Claim 2
Dependent Claim
48 words
Thermoplastic ABS moulding compositions containing 0.1-10% by weight of at least one ester of a saturated aliphatic monocarboxylic acid with 10-22 C-atoms with a hydroxy compound selected from the group consisting of stearyl alcohol, ethylene glycol, glycerine, trimethylol propane, hexanetriol, erythritol, mannitol, sorbitol, pentaerythritol, bisphenol-A, hydroquinone, and phloroglucinol.
Claim 3
Dependent Claim
17 words
Moulding compositions according to claim 1, wherein the ester is pentaerythritol stearate, sorbitol stearate, or bisphenol-A stearate.
References Cited (Backward Citations)
US2537036A
Cited
US2606163A
Cited
US2962463A
Cited
US3232902A
Cited
US3428712A
Cited
US3591546A
Cited
US3660534A
Cited
US3954903A
Cited
US3931074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-11-12 | 1983-05-14 | 1983-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-12 | 1987-05-14 | 1987-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-12 | 1991-05-14 | 1991-11-13 | $7700.00 | Window Closed / Lapsed |