US3898201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel resins and manufacturing the same
Assignee: Arakawa Rinsan Kagaku Kogyo KK
•
Filing: 1974-02-25
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Granted: 1975-08-05
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Expires: 1994-02-25
Abstract
Abstract A process for manufacturing a resin which comprises reacting in the presence of a Friedel-Crafts catalyst, a Diels-Alder addition product with a benzene derivative, said Diels-Alder addition product is a compound having a formula of WHEREIN EACH OF R2, R3, R4 and R5 is a hydrogen atom or methyl group, each of R6, R7, R8 and R9 is a hydrogen atom or alkyl group having one to four carbon atoms, each of X and Y is -COOH, -COORa or -CN or X and Y represent an acid anhydride ring formed by being bonded together, Ra being an alkyl group having one to four carbon atoms, A is -CH2- or -CH2CH2-, and m is zero or an integer of 1 or 2; said resin being useful as substitutes for rosin and its derivatives.
Inventors
- 👤 Shuhei Ishibe
- 👤 Toshiharu Okumichi
- 👤 Keizo Matsumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:28
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/14; C; C07; C07C; C07C51/00; C07C51/347; C07C51/373; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
27 words
A PROCESS FOR MANUFACTURE A RESIN WHICH COMPRISES REACTING IN THE PRESENCE OF FRIEDEL-CRAFTS CATALYST A DIELSALDER ADDITION PRODUCT WITH A BEZENE DERIVATIVE HAVING A FORMULA OF
Claim 2
Dependent Claim
27 words
A PROCESS FOR MANUFACTURE A RESIN WHICH COMPRISES REACTING IN THE PRESENCE OF FRIEDEL-CRAFTS CATALYST A DIELSALDER ADDITION PRODUCT WITH A BEZENE DERIVATIVE HAVING A FORMULA OF
Claim 3
Dependent Claim
16 words
A process according to claim 1 in which said Diels-Alder addition product has the formula of
Claim 4
Dependent Claim
16 words
A process according to claim 1 in which said Diels-Alder addition product has the formula of
Claim 5
Dependent Claim
12 words
A process according to claim 1 in which said m is zero.
Claim 6
Dependent Claim
12 words
A process according to claim 1 in which said m is 1.
Claim 7
Dependent Claim
12 words
A process according to claim 1 in which said m is 2.
Claim 8
Dependent Claim
57 words
A process according to claim 1, in which at least one of said X and Y is -COORa or -CN or said X and Y represent an acid anhydride ring formed by being bonded together, Ra being an alkyl group having one to four carbon atoms, and the resulting resin is hydrolyzed to produce a resin acid.
Claim 9
Dependent Claim
35 words
A process according to claim 1 in which at least one of said X and Y is -COOH and the resulting resin is neutralized with an alkali metal hydroxide to produce a resin acid salt.
Claim 10
Dependent Claim
25 words
A process according to claim 1, in which said benzene has said formula in which n is zero or an integer of 1 or 2.
Claim 11
Dependent Claim
19 words
A process according to claim 1 wherein X and Y are bonded together to form an acid anhydride ring.
Claim 12
Dependent Claim
37 words
A process according to claim 2 in which said R2 to R5 are hydrogen atoms, X and Y represent an acid anhydride ring formed by being bonded together, A is -CH2- and m is zero or 1.
Claim 13
Dependent Claim
37 words
A process according to claim 3 in which said R2 to R5 are hydrogen atoms, X and Y represent an acid anhydride ring formed by being bonded together, A is -CH2- and m is zero or 1.
Claim 14
Dependent Claim
16 words
A resin obtained by the method claimed in claim 1 and an alkali metal salt thereof.
Claim 15
Dependent Claim
15 words
A resin obtained by the method of claim 10 and an alkali metal salt thereof.
References Cited (Backward Citations)
US3299184A
Cited
US3364191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |