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US3282872A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyaddition products from polyamides of polybasic araliphatic carboxylic acids

Assignee: Harburger Fettchemie Brinckman and Mergell GmbH
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Filing: 1963-04-25
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Granted: 1966-11-01
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Expires: 1983-04-25
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Abstract

No abstract record available.

Inventors

  • 👤 Baltes Josef
  • 👤 Weghorst Friedrich
  • 👤 Makus Zdzislaw

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:12
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/16; C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08L; C08L63/00; C08L77/00; C08L77/06; C08L77/08; F02B53/00; F02B2730/00; F02B2730/01; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 165 words
A COMPOSITION OF MATTER COMPRISING 5-95% OF A HARDENABLE EPOXY COMPOUND HAVING TERMINAL EPOXY GROUPS AND FROM 95-5% OF A POLYAMIDE PREPARED BY A PROCESS WHICH COMPRISES CONDENSING A POLYAMINE HAVING 2 TO 5 AMINO GROUPS WITH A POLYBASIC ARALIPHATIC CARBOXYLIC COMPOUND, SAID COMPOUND HAVING BEEN PREPARED BY SUBJECTING A CONJUGATED UNSATURATED FATTY ACID COMPOUND SELECTED FROM THE CLASS CONSISTING OF CONJUGATED UNSATURATED FATTY ACIDS, AND C1 TO C4 ALKANOL ESTERS OF SAID ACIDS TO IONIC COPOLYMERIZATION WITH AN AROMATIC VINYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF STYRENE, ALPHA-METHYL STYRENE AND VINYL TOLUENE IN THE PROPORTION OF 1 MOLE OF FATTY ACID COMPOUND TO 0.2 TO 5 MOLES OF AROMATIC VINYL COMPOUND AND CONTROLLING THE TEMPERATURE OF THE REACTING MASS TO PREVENT THE MASS TEMPERATURE FROM EXCEEDING AT ANY TIME A TEMPERATURE OF ABOUT 200* C., SAID POLYAMIDE FORMING PROCESS COMPRISING CONTROLLING THE MASS TEMPERATURE THROUGHOUT THE COURSE OF THE RESULTING REACTION TO MAINTAIN THE TEMPERATURE WITHIN THE RANGE OF 120 TO 230* C.
Claim 2
Dependent Claim 165 words
A COMPOSITION OF MATTER COMPRISING 5-95% OF A HARDENABLE EPOXY COMPOUND HAVING TERMINAL EPOXY GROUPS AND FROM 95-5% OF A POLYAMIDE PREPARED BY A PROCESS WHICH COMPRISES CONDENSING A POLYAMINE HAVING 2 TO 5 AMINO GROUPS WITH A POLYBASIC ARALIPHATIC CARBOXYLIC COMPOUND, SAID COMPOUND HAVING BEEN PREPARED BY SUBJECTING A CONJUGATED UNSATURATED FATTY ACID COMPOUND SELECTED FROM THE CLASS CONSISTING OF CONJUGATED UNSATURATED FATTY ACIDS, AND C1 TO C4 ALKANOL ESTERS OF SAID ACIDS TO IONIC COPOLYMERIZATION WITH AN AROMATIC VINYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF STYRENE, ALPHA-METHYL STYRENE AND VINYL TOLUENE IN THE PROPORTION OF 1 MOLE OF FATTY ACID COMPOUND TO 0.2 TO 5 MOLES OF AROMATIC VINYL COMPOUND AND CONTROLLING THE TEMPERATURE OF THE REACTING MASS TO PREVENT THE MASS TEMPERATURE FROM EXCEEDING AT ANY TIME A TEMPERATURE OF ABOUT 200* C., SAID POLYAMIDE FORMING PROCESS COMPRISING CONTROLLING THE MASS TEMPERATURE THROUGHOUT THE COURSE OF THE RESULTING REACTION TO MAINTAIN THE TEMPERATURE WITHIN THE RANGE OF 120 TO 230* C.

References Cited (Backward Citations)

US2655488A Cited
US2563870A Cited
US2589655A Cited
US2952648A Cited
DE1058730B Cited
US2990387A Cited
US3162658A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-31 1970-05-02 1970-11-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-31 1974-05-02 1974-11-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-31 1978-05-02 1978-11-01 $7700.00 Window Closed / Lapsed

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