US3170887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making same
Assignee: —
•
Filing: —
•
Granted: 1965-02-23
•
Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:51
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/16; C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A VIBRATION DAMPING MATERIAL, WHICH COMPRISES A MIXTURE, HAVING A SHORE, TYPE A-2, DUROMETER HARDNESS BETWEEN ABOUT 10 AND 70, IN PARTS OF WEIGHT, OF: (A) ABOUT 10 TO 40 PARTS OF AN EPOXY RESIN OBTAINED BY THE REACTION OF EPICHLOROHYDRIN AND A DIHYDRIC PHENOL, HAVING AN EPOXIDE EQUIVALENT BETWEEN ABOUT 170 TO 300, (B) ABOUT 100 PARTS OF A LONG CHAIN, AMINE TERMINATED, POLYAMIDE RESIN OBTAINED BY THE TREATMENT OF A POLYMERIZED VEGETABLE OIL ACID WITH A POLYAMINE, (C) ABOUT 35 TO 45 PARTS OF A CHLORINATED PARAFFIN WHOSE CHLORINE CONTENT, BY WEIGHT, DOES NOT MATERIALLY EXCEED 50%, AND (D) ABOUT 1.8 TO 20 PARTS OF A CURING AGENT FOR SAID RESINS.
Claim 2
Dependent Claim
113 words
A VIBRATION DAMPING MATERIAL, WHICH COMPRISES A MIXTURE, HAVING A SHORE, TYPE A-2, DUROMETER HARDNESS BETWEEN ABOUT 10 AND 70, IN PARTS OF WEIGHT, OF: (A) ABOUT 10 TO 40 PARTS OF AN EPOXY RESIN OBTAINED BY THE REACTION OF EPICHLOROHYDRIN AND A DIHYDRIC PHENOL, HAVING AN EPOXIDE EQUIVALENT BETWEEN ABOUT 170 TO 300, (B) ABOUT 100 PARTS OF A LONG CHAIN, AMINE TERMINATED, POLYAMIDE RESIN OBTAINED BY THE TREATMENT OF A POLYMERIZED VEGETABLE OIL ACID WITH A POLYAMINE, (C) ABOUT 35 TO 45 PARTS OF A CHLORINATED PARAFFIN WHOSE CHLORINE CONTENT, BY WEIGHT, DOES NOT MATERIALLY EXCEED 50%, AND (D) ABOUT 1.8 TO 20 PARTS OF A CURING AGENT FOR SAID RESINS.
References Cited (Backward Citations)
US2576073A
Cited
US2628946A
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US2669521A
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US2867592A
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GB819719A
Cited
US2843557A
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US2951001A
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US2977332A
Cited
US2976256A
Cited
US3075932A
Cited
US3105771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |