Patent US5187013A successfully refreshed from Google Patents.
US5187013A
Expired / Lapsed
US
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Golf ball compositions
Assignee: Topgolf Callaway Brands Corp
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Filing: 1992-03-24
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Granted: 1993-02-16
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Expires: 2012-03-24
Abstract
Abstract The present invention relates to improved cover compositions for golf ball construction. The cover compositions comprise a blend of polar modified thermoplastic elastomers and ionomer resins. In addition, the present invention is directed to golf balls produced utilizing the improved cover compositions. The golf balls exhibit properties of enhanced playability without sacrificing distance and/or durability.
Inventors
- 👤 Michael J. Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:50
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; A; A63; A63B; A63B37/00; A63B37/0003; A63B37/0023; A63B37/0024; A63B37/0029; A63B37/0031; A63B37/0033; A63B37/0036; A63B37/005; A63B37/006; A63B37/0064; A63B37/007; A63B37/0072; A63B37/0074; A63B37/0077; A63B37/0078; A63B37/0087; A63B37/0096; C08L23/0846; C08L23/0869; C08L23/0876; C08L23/18; C08L2205/00; C08L2205/02; C08L2205/03; C08L2205/035; C08L23/0853; C08L23/26; C08L23/28; C08L23/283; C08L51/00; C08L51/06; C08L53/00; Y; Y10; Y10S; Y10S524/00; Y10S524/908; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
72 words
A golf ball comprising a core and a cover wherein the cover is formed from a composition comprising from about 5 to about 50 parts by weight of a brominated thermoplastic elastomeric copolymer of styrene and isobutylene and from about 95 to about 50 parts by weight of an ionic copolymer of an olefin and a metal salt of an unsaturated carboxylic acid based on 100 parts by weight of the composition.
Claim 2
Dependent Claim
72 words
A golf ball comprising a core and a cover wherein the cover is formed from a composition comprising from about 5 to about 50 parts by weight of a brominated thermoplastic elastomeric copolymer of styrene and isobutylene and from about 95 to about 50 parts by weight of an ionic copolymer of an olefin and a metal salt of an unsaturated carboxylic acid based on 100 parts by weight of the composition.
Claim 3
Dependent Claim
21 words
The golf ball of claim 1, wherein the copolymer of styrene and isobutylene is a brominated copolymer of paramethylstyrene and isobutylene.
Claim 4
Dependent Claim
72 words
A golf ball comprising a core and a cover wherein the cover is formed from a composition comprising from about 15 to about 40 parts by weight of a brominated thermoplastic elastomeric copolymer of styrene and isobutylene and from about 85 to about 65 parts by weight of an ionic copolymer of an olefin and a metal salt of an unsaturated carboxylic acid based on 100 parts by weight of the composition.
Claim 5
Dependent Claim
72 words
A golf ball comprising a core and a cover wherein the cover is formed from a composition comprising from about 15 to about 40 parts by weight of a brominated thermoplastic elastomeric copolymer of styrene and isobutylene and from about 85 to about 65 parts by weight of an ionic copolymer of an olefin and a metal salt of an unsaturated carboxylic acid based on 100 parts by weight of the composition.
Claim 6
Dependent Claim
21 words
The golf ball of claim 3, wherein the copolymer of styrene and isobutylene is a brominated copolymer of paramethylstyrene and isobutylene.
Claim 7
Dependent Claim
72 words
A golf ball comprising a core and a cover wherein the cover is formed from a composition comprising from about 20 to about 35 parts by weight of a brominated thermoplastic elastomeric copolymer of styrene and isobutylene and from about 80 to about 65 parts by weight of an ionic copolymer of an olefin and a metal salt of an unsaturated carboxylic acid based on 100 parts by weight of the composition.
Claim 8
Dependent Claim
72 words
A golf ball comprising a core and a cover wherein the cover is formed from a composition comprising from about 20 to about 35 parts by weight of a brominated thermoplastic elastomeric copolymer of styrene and isobutylene and from about 80 to about 65 parts by weight of an ionic copolymer of an olefin and a metal salt of an unsaturated carboxylic acid based on 100 parts by weight of the composition.
Claim 9
Dependent Claim
21 words
The golf ball of claim 5, wherein the copolymer of styrene and isobutylene is a brominated copolymer of paramethylstyrene and isobutylene.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-02-16 | 1996-08-17 | 1997-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-02-16 | 2000-08-17 | 2001-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-02-16 | 2004-08-17 | 2005-02-16 | $7700.00 | Window Closed / Lapsed |