US5155157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions useful in the manufacture of golfballs
Assignee: EIDP Inc
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Filing: 1991-03-26
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Granted: 1992-10-13
•
Expires: 2011-03-26
Abstract
Abstract The invention provides compositions useful in the manufacture of one-, two- and three-piece golfballs comprising blends of a copolyetherester or copolyetheramide, an expoxy-containing compound, and an acid-containing ethylene copolymer ionomer.
Inventors
- 👤 Robert J. Statz
- 👤 Jon P. Braemer
- 👤 John F. Hagman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:32
CPC Classifications
C; C08; C08L; C08L77/00; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L67/00; C08L67/02; C08L67/025; A; A63; A63B; A63B2102/00; A63B2102/32; C08L2205/00; C08L2205/03; C08L23/0846; C08L23/0869; C08L23/0876; C08L23/0884; Y; Y10; Y10S; Y10S524/00; Y10S524/908
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
79 words
A three-piece golfball comprised of a center, an elastomeric winding and a cover wherein the center comprises a thermoplastic composition comprising: a) 65-90 weight percent of a thermoplastic polymer selected from copolyetheramides and copolyetheresters; b) 1-10 weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of c) but insufficient epoxy functionality to produce a thermoset composition; and c) the remainder, to total 100 weight percent of an acid-containing ethylene copolymer ionomer.
Claim 2
Dependent Claim
79 words
A three-piece golfball comprised of a center, an elastomeric winding and a cover wherein the center comprises a thermoplastic composition comprising: a) 65-90 weight percent of a thermoplastic polymer selected from copolyetheramides and copolyetheresters; b) 1-10 weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of c) but insufficient epoxy functionality to produce a thermoset composition; and c) the remainder, to total 100 weight percent of an acid-containing ethylene copolymer ionomer.
Claim 3
Dependent Claim
37 words
The golfball of claim 1 wherein the thermoplastic composition further contains about 40-60 weight percent, based on the total weight of the composition of a filler having a density greater than or equal to about 4 gm/cc.
Claim 4
Dependent Claim
16 words
The golfball of claim 2 where the filler is selected from ZnO and BaSO 4 .
Claim 5
Dependent Claim
13 words
The golfball of claim 1, 2 or 3 where a) is a copolyetherester.
Claim 6
Dependent Claim
14 words
The golfball of claim 1, 2 or 3 where b) is a glycidyl-containing copolymer.
Claim 7
Dependent Claim
15 words
The golfball of claim 1, 2 or 3 where c) is an ethylene/(meth)acrylic acid copolymer.
Claim 8
Dependent Claim
25 words
The golfball of claim 1, 2 or 3 where a) is a copolyetherester, b) is a glycidyl-containing copolymer, and c) is an ethylene/(meth)acrylic acid copolymer.
Claim 9
Dependent Claim
28 words
A three-piece golfball comprised of a center, an elastomeric winding and a cover wherein the center comprises a composition selected from those of claim 1, 2 or 3.
Claim 10
Dependent Claim
62 words
A three-piece golfball comprising a center, an elastomeric winding and a cover wherein the center comprises about 35 weight percent (total) of a polyetherester having a shore D hardness of 40, 1-5 weight percent of an ethylene/n-butylacrylate (28%)/glycidyl methacrylate (5%) copolymer, about 10 weight percent of an ethylene/methacrylic acid (20%) copolymer highly neutralized with Na cation, and about 50 weight percent ZnO.
Claim 11
Dependent Claim
62 words
A three-piece golfball comprising a center, an elastomeric winding and a cover wherein the center comprises about 35 weight percent (total) of a polyetherester having a shore D hardness of 40, 1-5 weight percent of an ethylene/n-butylacrylate (28%)/glycidyl methacrylate (5%) copolymer, about 10 weight percent of an ethylene/methacrylic acid (20%) copolymer highly neutralized with Na cation, and about 50 weight percent ZnO.
Claim 12
Dependent Claim
76 words
A two-piece golfball comprised of a core and a cover wherein the core comprises a thermoplastic composition comprising: a) 50-65 weight percent of a thermoplastic polymer selected from copolyetheramides and copolyetheresters; b) 1-10 weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of c) but insufficient epoxy functionality to produce a thermoset composition; and c) the remainder, to total 100 weight percent, of an acid-containing ethylene copolymer ionomer.
Claim 13
Dependent Claim
76 words
A two-piece golfball comprised of a core and a cover wherein the core comprises a thermoplastic composition comprising: a) 50-65 weight percent of a thermoplastic polymer selected from copolyetheramides and copolyetheresters; b) 1-10 weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of c) but insufficient epoxy functionality to produce a thermoset composition; and c) the remainder, to total 100 weight percent, of an acid-containing ethylene copolymer ionomer.
Claim 14
Dependent Claim
37 words
The golfball of claim 10 wherein the thermoplastic composition further contains about 15-25 weight percent, based on the total weight of the composition, of a filler having a density greater than or equal to about 4 gm/cc.
Claim 15
Dependent Claim
16 words
The golfball of claim 11 where the filler is selected from ZnO and BaSO 4 .
Claim 16
Dependent Claim
13 words
The golfball of claim 10, 11 or 12 where a) is a copolyetherester.
Claim 17
Dependent Claim
14 words
The golfball of claim 10, 11 or 12 where b) is a glycidyl-containing copolymer.
Claim 18
Dependent Claim
15 words
The golfball of claim 10, 11 or 12 where c) is an ethylene/(meth)acrylic acid copolymer.
Claim 19
Dependent Claim
25 words
The golfball of claim 10, 11 or 12 where a) is a copolyetherester, b) is a glycidyl-containing copolymer, and c) is an ethylene/(meth)acrylic acid copolymer.
Claim 20
Dependent Claim
76 words
A two-piece golfball comprising a core and a cover, wherein the core comprises 50-65 polymer weight percent of a thermoplastic polymer selected from polyetheramides and polyetheresters, 1-10 polymer weight percent of an epoxy-containing compound, 15-25 total weight percent ZnO and the remainder to total 100 polymer percent, of an acid-containing ethylene copolymer ionomer, the epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer but insufficient epoxy functionality to produce a thermoset composition.
Claim 21
Dependent Claim
76 words
A two-piece golfball comprising a core and a cover, wherein the core comprises 50-65 polymer weight percent of a thermoplastic polymer selected from polyetheramides and polyetheresters, 1-10 polymer weight percent of an epoxy-containing compound, 15-25 total weight percent ZnO and the remainder to total 100 polymer percent, of an acid-containing ethylene copolymer ionomer, the epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer but insufficient epoxy functionality to produce a thermoset composition.
Claim 22
Dependent Claim
62 words
A two-piece golfball comprising a core and a cover wherein the core comprises 50-65 polymer weight percent of a polyetherester having a shore D hardness of about 40, 1-5 polymer weight percent of an ethylene/n-butyl acrylate (28%)/glycidyl methacrylate (5%) copolymer; 40-45 polymer weight percent of an ethylene/(meth)acrylic acid (20%) copolymer highly neutralized with Na cations, and about 20 total weight percent ZnO.
Claim 23
Dependent Claim
62 words
A two-piece golfball comprising a core and a cover wherein the core comprises 50-65 polymer weight percent of a polyetherester having a shore D hardness of about 40, 1-5 polymer weight percent of an ethylene/n-butyl acrylate (28%)/glycidyl methacrylate (5%) copolymer; 40-45 polymer weight percent of an ethylene/(meth)acrylic acid (20%) copolymer highly neutralized with Na cations, and about 20 total weight percent ZnO.
Claim 24
Dependent Claim
97 words
A two-piece golfball comprised of a core and a cover, wherein the core comprises a thermoplastic composition comprising: a) between 30 and 50 polymer weight percent of a thermoplastic polymer selected from copolyetheramides and copolyetheresters; b) 1-10 polymer weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of d) but insufficient epoxy functionality to produce a thermoset composition; c) 15-25 total weight percent of a filler having a density greater than about 5 gm/cc; and d) the remainder, to total 100%, polymer percent of an acid-containing ethylene copolymer ionomer.
Claim 25
Dependent Claim
97 words
A two-piece golfball comprised of a core and a cover, wherein the core comprises a thermoplastic composition comprising: a) between 30 and 50 polymer weight percent of a thermoplastic polymer selected from copolyetheramides and copolyetheresters; b) 1-10 polymer weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of d) but insufficient epoxy functionality to produce a thermoset composition; c) 15-25 total weight percent of a filler having a density greater than about 5 gm/cc; and d) the remainder, to total 100%, polymer percent of an acid-containing ethylene copolymer ionomer.
Claim 26
Dependent Claim
10 words
The golfball of claim 19 where a) is a copolyetherester.
Claim 27
Dependent Claim
11 words
The golfball of claim 19 where b) is a glycidyl-containing copolymer.
Claim 28
Dependent Claim
12 words
The golfball of claim 19 where d) is an ethylene/(meth)acrylic acid copolymer.
Claim 29
Dependent Claim
22 words
The golfball of claim 19 where a) is a copolyetherester, b) is a glycidyl-containing copolymer, and d) is an ethylene/(meth)acrylic acid copolymer.
Claim 30
Dependent Claim
22 words
The golfball of claim 19, 20, 21, 22, or 23 where the filler is selected from ZnO, lead silicate and tungsten carbide.
Claim 31
Dependent Claim
84 words
A one-piece golfball comprising a thermoplastic composition comprising: a) 40-65 polymer weight percent of a thermoplastic polymer selected from copolyetheresters and copolyetheramides; b) 1-10 polymer weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of d) but insufficient epoxy functionality to produce a thermoset composition; c) 5-20 total weight percent of a filler having a density greater than 4 gm/cc; and d) the remainder, to total 100 polymer weight percent, of an acid-containing ethylene copolymer ionomer.
Claim 32
Dependent Claim
84 words
A one-piece golfball comprising a thermoplastic composition comprising: a) 40-65 polymer weight percent of a thermoplastic polymer selected from copolyetheresters and copolyetheramides; b) 1-10 polymer weight percent of an epoxy-containing compound having sufficient epoxy functionality readily available for reaction with the ionomer of d) but insufficient epoxy functionality to produce a thermoset composition; c) 5-20 total weight percent of a filler having a density greater than 4 gm/cc; and d) the remainder, to total 100 polymer weight percent, of an acid-containing ethylene copolymer ionomer.
Claim 33
Dependent Claim
10 words
The golfball of claim 25 where a) is a copolyetherester.
Claim 34
Dependent Claim
11 words
The golfball of claim 25 where b) is a glycidyl-containing copolymer.
Claim 35
Dependent Claim
12 words
The golfball of claim 25 where c) is an ethylene/(meth)acrylic acid copolymer.
Claim 36
Dependent Claim
22 words
The golfball of claim 25 where a) is a copolyetherester, b) is a glycidyl-containing copolymer, and d) is an ethylene/(meth)acrylic acid copolymer.
Claim 37
Dependent Claim
21 words
The golfball of claim 25, 26, 27, 28, or 29 where the filler is selected from ZnO and BaSO 4 .
Claim 38
Dependent Claim
53 words
A one-piece golfball comprising about 55 polymer weight percent of a polyester having a shore D hardness of about 40, 1-5 polymer weight percent of ethylene/n-butyl acrylate (28%/glycidyl methacrylate (5%) copolymer, 40-45 polymer weight percent of an ethylene/methacrylic acid (20%) copolymer highly neutralized with Na cations, and about 10 total weight percent ZnO.
Claim 39
Dependent Claim
53 words
A one-piece golfball comprising about 55 polymer weight percent of a polyester having a shore D hardness of about 40, 1-5 polymer weight percent of ethylene/n-butyl acrylate (28%/glycidyl methacrylate (5%) copolymer, 40-45 polymer weight percent of an ethylene/methacrylic acid (20%) copolymer highly neutralized with Na cations, and about 10 total weight percent ZnO.
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) | 1995-10-13 | 1996-04-13 | 1996-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-13 | 2000-04-13 | 2000-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-13 | 2004-04-13 | 2004-10-13 | $7700.00 | Window Closed / Lapsed |