US3308076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamides produced from polyepoxides, dimeric fatty acids and polyamines
Assignee: Interchemical Corp
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Filing: 1965-06-01
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Granted: 1967-03-07
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Lia Lucy De
- 👤 Walter R Pepis
- 👤 Daniel J Carlick
- 👤 William J Kissel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/40; B; B32; B32B; B32B27/00; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/56; C08G59/58; C08G69/02; C08G69/26; C08G69/34
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
140 words
NEW RESINOUS POLYAMIDES COMPRISING PRODUCTS OF THE REACTION BETWEEN (1) ABOUT ONE WQUIVALENT OF THE POLYBASIC ACIDS OBTAINED AS PRODUCTS OF THE REACTION BETWEEN ABOUT ONE EQUIVALENT OF A BIS-(4-HYDROXYPHENYL) DIMETHYL METHANE EPICHLOROHYDRIN RESIN HAVING AN EPOXIDE EQUIVALENT OF 175 TO 1,025 AND ABOUT TWO EQUIVALENTS OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED NATURALLY OCCURRING ETHYLENICALLY UNSATURATED HIGHER FATTY OILS, THE POLYMERIZED ACIDS OF SAID OILS, AND THE POLYMERIZED ESTERS OF THE ACIDS OF SAID OILS WITH THE LOWER ALKYL ALCOHOLS AND (2) ABOUT ONE EQUIVALENT OF AN ALKYLENE POLYAMINE HAVING THE FORMULA H2N(RNH)NH, WHERE R IS AN ALKYLENE RADICAL AND N IS AN INTEGER FROM 1 TO 5, SAID POLYAMINE HAVING FREE AMINO GROUPS THE REACTION PRODUCT HAVING AN AMINE NUMBER IN THE RANGE OF AOBUT 0-200 AND AN ACID NUMBER OF ABOUT 0 TO 10.
Claim 2
Dependent Claim
140 words
NEW RESINOUS POLYAMIDES COMPRISING PRODUCTS OF THE REACTION BETWEEN (1) ABOUT ONE WQUIVALENT OF THE POLYBASIC ACIDS OBTAINED AS PRODUCTS OF THE REACTION BETWEEN ABOUT ONE EQUIVALENT OF A BIS-(4-HYDROXYPHENYL) DIMETHYL METHANE EPICHLOROHYDRIN RESIN HAVING AN EPOXIDE EQUIVALENT OF 175 TO 1,025 AND ABOUT TWO EQUIVALENTS OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED NATURALLY OCCURRING ETHYLENICALLY UNSATURATED HIGHER FATTY OILS, THE POLYMERIZED ACIDS OF SAID OILS, AND THE POLYMERIZED ESTERS OF THE ACIDS OF SAID OILS WITH THE LOWER ALKYL ALCOHOLS AND (2) ABOUT ONE EQUIVALENT OF AN ALKYLENE POLYAMINE HAVING THE FORMULA H2N(RNH)NH, WHERE R IS AN ALKYLENE RADICAL AND N IS AN INTEGER FROM 1 TO 5, SAID POLYAMINE HAVING FREE AMINO GROUPS THE REACTION PRODUCT HAVING AN AMINE NUMBER IN THE RANGE OF AOBUT 0-200 AND AN ACID NUMBER OF ABOUT 0 TO 10.
Claim 3
Dependent Claim
29 words
THE NEW RESINOUS POLYAMIDES DESCRIBED IN CLAIM 1 IN WHICH THE POLYBASIC ACIDS ARE PRODUCTS OF THE REACTION BETWEEN A BIS(4-HYDROXYPHENYL) DIMETHYL METHANE EPICHLOROHYDRIN RESIN AND POLYMERIZED LINOLEIC ACID.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |