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US4778898A Expired / Lapsed US ⏱️ 0.0 years remaining

Trisimides of allyl-substituted or methallyl-substituted bicyclo[2.2.1]hept-5-ene-2,3-dicarboximides and the use thereof

Assignee: Novartis Corp
•
Filing: 1986-10-22
•
Granted: 1988-10-18
•
Expires: 2006-10-22
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Abstract

Abstract Compounds of formula ##STR1## wherein E and R' are each independently of the other a hydrogen atom or a methyl group, X is ##STR2## and R is --C m H 2m --, in which m is 2 to 20, --C n H 2n O--, in which n is 2 to 6, m- or p-phenylene, m- or p-oxyphenylene, in which the oxygen atom is attached to the group X, or X is ##STR3## and R is m- or p-phenylene, or X is ##STR4## and R is --(CH 2 CH 2 O) q --, --(CH 2 CH 2 CH 2 O) q -- or --[CH 2 CH(CH 3 )O] q --, in which q is 1 to 6, m- or p-oxyphenylene, in which the oxygen atom is attached to the group X, or X is ##STR5## and R is --C r H 2r --, in which r is 2 to 4, or m- or p-phenylene, are suitable for the preparation of crosslinked polymers.

Inventors

  • 👤 Christian Vonlanthen
  • 👤 Andreas Kramer
  • 👤 Alfred Renner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:17
CPC Classifications
C; C08; C08F; C08F26/00; C08F26/06; C07; C07D; C07D209/00; C07D209/56; C07D209/58; C07D209/72; C07D209/76; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/5537

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 155 words
A compound of formula I ##STR25## wherein E and R' are each independently of the other a hydrogen atom or a methyl group, X is ##STR26## and R is --C m H 2m --, in which m is 2 to 20, --C n H 2n O--, in which n is 2 to 6, m- or p-phenylene, m- or p-oxyphenylene, in which the oxygen atom is attached to the group X, or X is ##STR27## and R is m- or p-phenylene, or X is ##STR28## and R is --(CH 2 CH 2 O) q --, --(CH 2 CH 2 CH 2 O) 1 -- or --[CH 2 CH(CH 3 )O] q --, in which q is 1 to 6, m- or p-oxyphenylene, in which the oxygen atom is attached to the group X, or X is ##STR29## and R is --C r H 2r --, in which r is 2 to 4, or m- or p-phenylene.
Claim 2
Dependent Claim 155 words
A compound of formula I ##STR25## wherein E and R' are each independently of the other a hydrogen atom or a methyl group, X is ##STR26## and R is --C m H 2m --, in which m is 2 to 20, --C n H 2n O--, in which n is 2 to 6, m- or p-phenylene, m- or p-oxyphenylene, in which the oxygen atom is attached to the group X, or X is ##STR27## and R is m- or p-phenylene, or X is ##STR28## and R is --(CH 2 CH 2 O) q --, --(CH 2 CH 2 CH 2 O) 1 -- or --[CH 2 CH(CH 3 )O] q --, in which q is 1 to 6, m- or p-oxyphenylene, in which the oxygen atom is attached to the group X, or X is ##STR29## and R is --C r H 2r --, in which r is 2 to 4, or m- or p-phenylene.
Claim 3
Dependent Claim 19 words
A compound of formula I according to claim 1, wherein each of E and R' is a hydrogen atom.
Claim 4
Dependent Claim 35 words
A compound of formula I according to claim 1, wherein X is ##STR30## and R is --(CH 2 ) m --, in which m is 2 to 4, m- or p-phenylene or m- or p-oxyphenylene.
Claim 5
Dependent Claim 17 words
A compound of formula I according to claim 1, wherein X is ##STR31## and R is p-phenylene.
Claim 6
Dependent Claim 37 words
A compound of formula I according to claim 1, wherein X is ##STR32## and each R is --[CH 2 CH(CH 3 )O] q --, in which the value of q is on average from 1.2 to 3.
Claim 7
Dependent Claim 42 words
A compound of formula I according to claim 1, wherein X is ##STR33## and each R is --(CH 2 CH 2 O) q --, wherein the the value of q is on average from 1.2 to 3, or is m- or p-oxyphenylene.
Claim 8
Dependent Claim 33 words
A compound of formula I according to claim 1, wherein X is ##STR34## and R is --(CH 2 ) r --, in which r is 2 or 3, or is m- or p-phenylene.
Claim 9
Dependent Claim 26 words
A compound according to claim 1 of formula I, wherein each of E and R' is a hydrogen atom, X is ##STR35## and R is p-oxyphenylene.

References Cited (Backward Citations)

US3960812A Cited
US4003862A Cited
US4225497A Cited
US4395557A Cited
US4515962A Cited
US4604437A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-10-18 1992-04-18 1992-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-10-18 1996-04-18 1996-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-10-18 2000-04-18 2000-10-18 $7700.00 Window Closed / Lapsed

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