Patent US3882128A successfully refreshed from Google Patents.
US3882128A
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Isocyanated imides of hydrocarbon anhydrides and blends thereof
Assignee: Baker Petrolite LLC
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Filing: 1973-05-18
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Granted: 1975-05-06
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Expires: 1993-05-18
Abstract
Abstract Reaction Products or (1) organic isocyanates and (2) imides of hydrocarbon-anhydrides and equivalents thereof; and to uses for these reaction products, including their use in inks, particularly in carbon paper inks.
Inventors
- 👤 Robin A Mclaren
- 👤 Charles A Alcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:43
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/3842; C08G18/3844; C08G18/3846; C08G18/40; C08G18/62; C08G18/6216; C08G18/6266; C09; C09D; C09D11/00; C09D11/02
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
10 words
AN ORGANIC ISOCYANATE OR A MIXTURE OF ORGANIC ISOCYANATES AND
Claim 2
Dependent Claim
10 words
AN ORGANIC ISOCYANATE OR A MIXTURE OF ORGANIC ISOCYANATES AND
Claim 3
Dependent Claim
6 words
AN ISOCYANATED IMIDE REACTION PRODUCT OF
Claim 4
Dependent Claim
6 words
AN ISOCYANATED IMIDE REACTION PRODUCT OF
Claim 5
Dependent Claim
69 words
an imide of a member selected from the group consisting of an olefin-maleic compound adduct prepared by reacting (a) a maleic compound selected from the group consisting of maleic acid, citraconic acid, ethylmaleic acid, glutaconic acid, itaconic acid, methylitaconic acid, the anhydride of each of said acids and an ester drivative of each of said acids with (b) an olefin of the formula R-CH CH2 or of the formula
Claim 6
Dependent Claim
69 words
an imide of a member selected from the group consisting of an olefin-maleic compound adduct prepared by reacting (a) a maleic compound selected from the group consisting of maleic acid, citraconic acid, ethylmaleic acid, glutaconic acid, itaconic acid, methylitaconic acid, the anhydride of each of said acids and an ester drivative of each of said acids with (b) an olefin of the formula R-CH CH2 or of the formula
Claim 7
Dependent Claim
68 words
AN IMIDE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN OLEFIN-MALEIC COMPOUND ADDUCT PREPARED BY REACTING (A) A MALEIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, CITRACONIC ACID, ETHYLMAELIC ACID, GLYTACONIC ACID, ITACONIC ACID, METHYLITACONIC ACID, THE ANHYDRIDE OF EACH OF SAID ACIDS AND AN ESTER DRIVATIVE OF EACH OF SAID ACIDS WITH (B) AN OLEFIN OF THE FORMULA R-CH=CH2 OR OF THE FORMULA
Claim 8
Dependent Claim
68 words
AN IMIDE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN OLEFIN-MALEIC COMPOUND ADDUCT PREPARED BY REACTING (A) A MALEIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, CITRACONIC ACID, ETHYLMAELIC ACID, GLYTACONIC ACID, ITACONIC ACID, METHYLITACONIC ACID, THE ANHYDRIDE OF EACH OF SAID ACIDS AND AN ESTER DRIVATIVE OF EACH OF SAID ACIDS WITH (B) AN OLEFIN OF THE FORMULA R-CH=CH2 OR OF THE FORMULA
Claim 9
Dependent Claim
20 words
The isocyanated imide reaction product of claim 1 wherein (1) is an organic isocyanate or a mixture of organic diisocyanates.
Claim 10
Dependent Claim
18 words
The isocyanated imide reaction product of claim 2 wherein (2) is an imide of an olefin-maleic compound adduct.
Claim 11
Dependent Claim
19 words
The isocyanated imide reaction product of claim 2 wherein (2) is an imide of a wax-maleic compound graft copolymer.
Claim 12
Dependent Claim
16 words
The isocyanated imide reaction product of claim 4 wherein (1) is a mixture of toluene diisocyanates.
Claim 13
Dependent Claim
22 words
The isocyanated imide reaction product of claim 5 wherein said mixture of toluene diisocyanates is 80 percent toluene-2,4-diisocyanate and 20 percent toluene-2,6-diisocyanate.
Claim 14
Dependent Claim
14 words
The isocyanated imide reaction product of claim 2 wherein (1) is an organic isocyanate.
Claim 15
Dependent Claim
15 words
The isocyanated imide reaction product of claim 7 wherein said organic isocyanate is phenyl isocyanate.
Claim 16
Dependent Claim
35 words
The isocyanated imide reaction product of claim 4 wherein (b) has a melting point of about 150*-270*F. and a penetration as defined by ASTM Test Method D5 -25 of from about 0 to about 10.
Claim 17
Dependent Claim
16 words
The isocyanated imide reaction product of claim 9 wherein (1) is a mixture of toluene diisocyanates.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |