US4616066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl or acrylic polymer-modified epoxy resin
Assignee: KASAI PAINT Co Ltd 33-1 KANZAKI-CHO AMAGASAKI-SHI HYOGO-KEN JAPAN
•
Filing: 1985-10-04
•
Granted: 1986-10-07
•
Expires: 2005-10-04
Abstract
Abstract A vinyl or acrylic polymer-modified epoxy resin comprising a reaction product of (A) an epoxy group-containing vinyl or acrylic polymer, (B) a bisphenol compound, and (C) a diglycidyl ether of a bisphenol compound.
Inventors
- 👤 Akira Tominaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08G59/18; C08G59/20; C08G59/32; C08G59/3209; C08G59/38; C08G59/40; C08G59/62; C08G59/621; C09; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/443; C09D5/4457
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
33 words
A vinyl or acrylic polymer-modified epoxy resin comprising a reaction product of (A) an epoxy group-containing vinyl or acrylic polymer, (B) a bisphenol compound, and (C) a diglycidyl ether of a bisphenol compound.
Claim 2
Dependent Claim
33 words
A vinyl or acrylic polymer-modified epoxy resin comprising a reaction product of (A) an epoxy group-containing vinyl or acrylic polymer, (B) a bisphenol compound, and (C) a diglycidyl ether of a bisphenol compound.
Claim 3
Dependent Claim
27 words
A resin according to claim 1 wherein the epoxy group-containing vinyl or acrylic polymer (A) is a polymer containing the structural units of (meth)acrylic acid glycidyl ester.
Claim 4
Dependent Claim
27 words
A resin according to claim 2 wherein the polymer containing the structural units of (meth)acrylic acid glycidyl ester has an epoxy equivalent ranging from 500 to 5,000.
Claim 5
Dependent Claim
28 words
A resin according to claim 1 wherein the epoxy group-containing vinyl or acrylic polymer (A) is an epoxidized product of a polymer containing the structural units of butadiene.
Claim 6
Dependent Claim
28 words
A resin according to claim 4 wherein the epoxidized product of a polymer containing the structural units of butadiene has an epoxy equivalent ranging from 150 to 1,500.
Claim 7
Dependent Claim
13 words
A resin according to claim 1 wherein the bisphenol compound (B) is bis(4-dihydroxyphenyl)-2,2-propane.
Claim 8
Dependent Claim
21 words
A resin according to claim 1 wherein the diglycidyl ether of a bisphenol compound (C) is a diglycidyl ether of bis(4-dihydroxyphenyl)-2,2-propane.
Claim 9
Dependent Claim
22 words
A resin according to claim 1 which comprises introducing a cationic group to at least part of the possibly present epoxy groups.
Claim 10
Dependent Claim
15 words
A coating composition containing the vinyl or acrylic polymer-modified epoxy resin defined in claim 1.
Claim 11
Dependent Claim
19 words
The use of the vinyl or acrylic polymer-modified epoxy resin of claim 1 in a cationic electrodeposition coating composition.
References Cited (Backward Citations)
US3432465A
Cited
US4259395A
Cited
US4251414A
Cited
US4371665A
Cited
US4374963A
Cited
US4547553A
Cited
US4486571A
Cited
US4543406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-10-06 | 1990-04-07 | 1990-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-06 | 1994-04-07 | 1994-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-06 | 1998-04-07 | 1998-10-07 | $7700.00 | Window Closed / Lapsed |