ITRM910227A0 - Pelle artificiale elasticizzata e procedimento per la sua produzione - Google Patents
Pelle artificiale elasticizzata e procedimento per la sua produzioneInfo
- Publication number
- ITRM910227A0 ITRM910227A0 IT91RM227A ITRM910227A ITRM910227A0 IT RM910227 A0 ITRM910227 A0 IT RM910227A0 IT 91RM227 A IT91RM227 A IT 91RM227A IT RM910227 A ITRM910227 A IT RM910227A IT RM910227 A0 ITRM910227 A0 IT RM910227A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- artificial leather
- stretch
- stretch artificial
- Prior art date
Links
- 239000002649 leather substitute Substances 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0025—Rubber threads; Elastomeric fibres; Stretchable, bulked or crimped fibres; Retractable, crimpable fibres; Shrinking or stretching of fibres during manufacture; Obliquely threaded fabrics
- D06N3/0027—Rubber or elastomeric fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0025—Rubber threads; Elastomeric fibres; Stretchable, bulked or crimped fibres; Retractable, crimpable fibres; Shrinking or stretching of fibres during manufacture; Obliquely threaded fabrics
- D06N3/0029—Stretchable fibres; Stretching of fibres during manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/904—Artificial leather
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2936—Wound or wrapped core or coating [i.e., spiral or helical]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31591—Next to cellulosic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
- Y10T428/31779—Next to cellulosic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2033—Coating or impregnation formed in situ [e.g., by interfacial condensation, coagulation, precipitation, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2041—Two or more non-extruded coatings or impregnations
- Y10T442/2098—At least two coatings or impregnations of different chemical composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2369—Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric
- Y10T442/2377—Improves elasticity
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment Of Fiber Materials (AREA)
- Woven Fabrics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Laminated Bodies (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Gloves (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM910227A IT1244503B (it) | 1991-04-05 | 1991-04-05 | Pelle artificiale elasticizzata e procedimento per la sua produzione. |
CA002064496A CA2064496C (en) | 1991-04-05 | 1992-03-31 | Elasticized artificial leather and process for its production |
ES92830157T ES2092669T3 (es) | 1991-04-05 | 1992-04-01 | Cuero artificial elastificado. |
DE69213799T DE69213799T2 (de) | 1991-04-05 | 1992-04-01 | Elastifiziertes Kunstleder |
EP92830157A EP0507748B1 (en) | 1991-04-05 | 1992-04-01 | Elasticized artificial leather |
AT92830157T ATE143069T1 (de) | 1991-04-05 | 1992-04-01 | Elastifiziertes kunstleder |
JP4083685A JP3034120B2 (ja) | 1991-04-05 | 1992-04-06 | 弾性を有する人造皮革 |
US08/197,542 US5413846A (en) | 1991-04-05 | 1994-02-17 | Elasticized artificial leather and process for its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM910227A IT1244503B (it) | 1991-04-05 | 1991-04-05 | Pelle artificiale elasticizzata e procedimento per la sua produzione. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM910227A0 true ITRM910227A0 (it) | 1991-04-05 |
ITRM910227A1 ITRM910227A1 (it) | 1992-10-05 |
IT1244503B IT1244503B (it) | 1994-07-15 |
Family
ID=11400049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM910227A IT1244503B (it) | 1991-04-05 | 1991-04-05 | Pelle artificiale elasticizzata e procedimento per la sua produzione. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5413846A (it) |
EP (1) | EP0507748B1 (it) |
JP (1) | JP3034120B2 (it) |
AT (1) | ATE143069T1 (it) |
CA (1) | CA2064496C (it) |
DE (1) | DE69213799T2 (it) |
ES (1) | ES2092669T3 (it) |
IT (1) | IT1244503B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2311035A (en) * | 1996-03-12 | 1997-09-17 | Fii Footwear Management Ltd | Material for footwear upper |
US5784806A (en) * | 1996-08-20 | 1998-07-28 | Wendt; Lydia | Flexible foot gear |
JPH1060782A (ja) * | 1996-08-20 | 1998-03-03 | Asahi Chem Ind Co Ltd | 合成皮革 |
US20070248787A1 (en) * | 2006-04-24 | 2007-10-25 | Chou Su J | Artificial leather |
IT1394305B1 (it) * | 2009-05-21 | 2012-06-06 | Jaked S R L | Membrana in particolare per indumenti da nuoto |
DE102010027157A1 (de) | 2010-07-14 | 2012-01-19 | Tecmove Gmbh | Lenkrad mit Überzug und Verfahren zu dessen Herstellung |
KR101873354B1 (ko) * | 2016-12-19 | 2018-08-02 | 코오롱글로텍주식회사 | 시트용 인조가죽 및 이의 제조방법 |
US11172725B2 (en) | 2018-10-10 | 2021-11-16 | Tingley Rubber Corporation | Boots with polymeric foam shell and exposed sock liner |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2031375A (en) * | 1933-12-23 | 1936-02-18 | American Mills Company | Noncreep elastic strands for elastic fabrics |
NL65354C (it) * | 1940-06-20 | 1900-01-01 | ||
BE636018A (it) * | 1962-08-13 | 1900-01-01 | ||
GB1262823A (en) * | 1963-04-01 | 1972-02-09 | Robert Taylor Dawes | Elastically-stretchable leather-like material and method of making the same |
US3199548A (en) * | 1963-05-02 | 1965-08-10 | United Elastic Corp | Elastic fabrics |
US3544357A (en) * | 1966-05-27 | 1970-12-01 | Kuraray Co | Method of manufacturing soft and flexible sheet materials |
US3524792A (en) * | 1966-11-07 | 1970-08-18 | Robert T Dawes | Elastically-stretchable,leather-like material and method of making the same |
US3438842A (en) * | 1967-10-20 | 1969-04-15 | Johnson & Johnson | Woven stretch fabric and methods of manufacturing the same |
FR2108839A1 (en) * | 1970-10-12 | 1972-05-26 | Dmr | Imitation leather - with polyurethane layers applied on stretched fabric |
JPS5221561B2 (it) * | 1972-12-28 | 1977-06-11 | ||
USRE32594E (en) * | 1974-06-14 | 1987-02-09 | Krall & Roth Weberei, Kg | Bi-elastic textile fabric |
CS184491B1 (en) * | 1975-08-29 | 1978-08-31 | Eduard Mueck | Ambroz,ludvik,cs |
JPS5571876A (en) * | 1978-11-20 | 1980-05-30 | Daiichi Lace Kk | Production of simulated leather |
DE3040088A1 (de) * | 1980-10-24 | 1982-06-16 | Bayer Ag, 5090 Leverkusen | Elastisches rauhgewebe mit wildlederaehnlicher optik und verfahren zu seiner herstellung |
DE3316266A1 (de) * | 1983-05-04 | 1984-11-08 | Bayer Ag, 5090 Leverkusen | Elastisches flachgewebe und seine herstellung |
US4563386A (en) * | 1984-09-19 | 1986-01-07 | Cercasbest Corp. | Friction element comprised of heat resistant heterogeneous thermosetting friction material |
US4640858A (en) * | 1984-10-29 | 1987-02-03 | M. Lowenstein Corporation | Synthetic leather sheet material products |
JPH0527883Y2 (it) * | 1987-04-09 | 1993-07-16 |
-
1991
- 1991-04-05 IT ITRM910227A patent/IT1244503B/it active IP Right Grant
-
1992
- 1992-03-31 CA CA002064496A patent/CA2064496C/en not_active Expired - Fee Related
- 1992-04-01 DE DE69213799T patent/DE69213799T2/de not_active Expired - Fee Related
- 1992-04-01 AT AT92830157T patent/ATE143069T1/de not_active IP Right Cessation
- 1992-04-01 EP EP92830157A patent/EP0507748B1/en not_active Revoked
- 1992-04-01 ES ES92830157T patent/ES2092669T3/es not_active Expired - Lifetime
- 1992-04-06 JP JP4083685A patent/JP3034120B2/ja not_active Expired - Fee Related
-
1994
- 1994-02-17 US US08/197,542 patent/US5413846A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69213799T2 (de) | 1997-03-27 |
ES2092669T3 (es) | 1996-12-01 |
IT1244503B (it) | 1994-07-15 |
CA2064496A1 (en) | 1992-10-06 |
US5413846A (en) | 1995-05-09 |
JPH0593372A (ja) | 1993-04-16 |
JP3034120B2 (ja) | 2000-04-17 |
CA2064496C (en) | 2001-07-03 |
ITRM910227A1 (it) | 1992-10-05 |
DE69213799D1 (de) | 1996-10-24 |
EP0507748B1 (en) | 1996-09-18 |
EP0507748A1 (en) | 1992-10-07 |
ATE143069T1 (de) | 1996-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1237813B (it) | Schiuma siliconica e procedimento per la sua produzione. | |
DK81690D0 (da) | Pektinprodukt og fremgangsmaade til fremstilling deraf | |
NO904585L (no) | Syntetiske plantegener og fremgangsmaate for fremstilling derav. | |
TR24867A (tr) | CAMASIR MUAMELE MAMULü | |
DK194589D0 (da) | Partikelformede vaskemidler og fremgangsmaade til fremstilling deraf | |
ITMI910971A1 (it) | Procedimento per suddividere pelle naturale in modo ottimale | |
IT1219369B (it) | Specchio decorativo e procedimento per la sua fabbricazione | |
BR9206785A (pt) | Bolsa para sangue e processo para sua produção | |
DE69211757D1 (de) | Lebendes Polymerisationsverfahren | |
IT8667489A0 (it) | Laminato plastico decorativo e procedimento per la sua produzione | |
ITRM910227A0 (it) | Pelle artificiale elasticizzata e procedimento per la sua produzione | |
DK555189A (da) | Proteinprodukt | |
DE3855534D1 (de) | Bioverträgliche, hydratisierte Polyharnstoff-Urethan- Kunststoffe | |
DE69022923D1 (de) | Teil für künstliches Glied. | |
IT9021728A0 (it) | L-carnitina deidrogenasi e procedimento per la sua produzione | |
ITMI931320A0 (it) | Stampo per la formatura di occhielli e occhiello | |
NO885818D0 (no) | Termoplastiske olefiner og fremgangsmaate for fremstilling derav. | |
DE68928397D1 (de) | Bildcodierungsverfahren | |
IT9021609A0 (it) | Impianto per la produzione di calzature e procedimento per l'impiego di detto impianto | |
BR8904529A (pt) | Produto polimerico | |
KR910008877U (ko) | 인조 중고 피혁 | |
IT8921061A0 (it) | Pozzolane artificiali e procedimento per produrle. | |
DE29514772U1 (de) | Vorrichtung zur Herstellung von Kompressen | |
DK165291D0 (da) | Pektinprodukt og fremgangsmaade til fremstilling deraf | |
KR940019903U (ko) | 개량 인공 어초 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970328 |