GB1533434A - Sizing method and a sizing composition for use therein - Google Patents
Sizing method and a sizing composition for use thereinInfo
- Publication number
- GB1533434A GB1533434A GB9523/76A GB952376A GB1533434A GB 1533434 A GB1533434 A GB 1533434A GB 9523/76 A GB9523/76 A GB 9523/76A GB 952376 A GB952376 A GB 952376A GB 1533434 A GB1533434 A GB 1533434A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sizing
- composition
- sizing composition
- ephihalohydrin
- condesning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2618—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen
- C08G65/2621—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen containing amine groups
- C08G65/2624—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing nitrogen containing amine groups containing aliphatic amine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
- C08G73/0213—Preparatory process
- C08G73/022—Preparatory process from polyamines and epihalohydrins
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/315—Compounds containing carbon-to-nitrogen triple bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Adhesives Or Adhesive Processes (AREA)
Priority Applications (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9523/76A GB1533434A (en) | 1976-03-10 | 1976-03-10 | Sizing method and a sizing composition for use therein |
NZ183359A NZ183359A (en) | 1976-03-10 | 1977-02-16 | Method of sizing and sizing composition sized paper |
CA272,148A CA1100265A (en) | 1976-03-10 | 1977-02-21 | Sizing method and a sizing composition for use therein |
PH19469A PH12982A (en) | 1976-03-10 | 1977-02-21 | A sizing composition for sizing paper |
FI770693A FI63804B (fi) | 1976-03-10 | 1977-03-03 | Foerfarande och materialblandning foer framstaellning av limmat papper |
FR7706629A FR2343859A1 (fr) | 1976-03-10 | 1977-03-07 | Composition et procede pour la production de papiers et cartons encolles |
DK101177A DK147859C (da) | 1976-03-10 | 1977-03-08 | Fremgangsmaade til fremstilling af limet papir eller karton samt lim tilnvendelse ved udoevelse af fremgangsmaaden |
NL7702454A NL7702454A (nl) | 1976-03-10 | 1977-03-08 | Werkwijze voor het bereiden van een appreteer- middel en werkwijze voor het behandelen van papier met dit middel. |
DE2710061A DE2710061C2 (de) | 1976-03-10 | 1977-03-08 | Verwendung eines stickstoffhaltigen Kondensationsproduktes als Leimungsbeschleuniger zur Herstellung geleimten Papiers oder geleimter Pappe |
AU23063/77A AU502842B2 (en) | 1976-03-10 | 1977-03-09 | Paper sizing composition |
SE7702669A SE432791C (sv) | 1976-03-10 | 1977-03-09 | Förfarande för framställning av ett limningspreparat för limmat papper eller limmad papp i form av en vattenemulsion |
JP2493277A JPS52118010A (en) | 1976-03-10 | 1977-03-09 | Sizing method and size composition |
MX775525U MX4984E (es) | 1976-03-10 | 1977-03-09 | Composicion de encolado mejorada |
AT158477A AT360333B (de) | 1976-03-10 | 1977-03-09 | Verfahren zur herstellung geleimten papiers und mittel zur durchfuehrung des verfahrens |
CH295377A CH620003A5 (en) | 1976-03-10 | 1977-03-09 | Process for producing an aqueous emulsion usable for sizing cellulosic matter |
NO770830A NO149824C (no) | 1976-03-10 | 1977-03-09 | Limpreparat for liming av papir og papp. |
IT21093/77A IT1085873B (it) | 1976-03-10 | 1977-03-09 | Metodo di collatura e composizione collante da impiegare in esso |
BR7701449A BR7701449A (pt) | 1976-03-10 | 1977-03-10 | Composicao encolante,processo produzir papel ou papelao encolado,e papel ou papelao encolado assim obtido |
BE175694A BE852342A (fr) | 1976-03-10 | 1977-03-10 | Composition et procede pour la production de papiers et cartons encolles |
ZA00771463A ZA771463B (en) | 1976-03-10 | 1977-03-10 | Sizing method and a sizing composition for use therein |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9523/76A GB1533434A (en) | 1976-03-10 | 1976-03-10 | Sizing method and a sizing composition for use therein |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1533434A true GB1533434A (en) | 1978-11-22 |
Family
ID=9873632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9523/76A Expired GB1533434A (en) | 1976-03-10 | 1976-03-10 | Sizing method and a sizing composition for use therein |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS52118010A (pt) |
AT (1) | AT360333B (pt) |
AU (1) | AU502842B2 (pt) |
BE (1) | BE852342A (pt) |
BR (1) | BR7701449A (pt) |
CA (1) | CA1100265A (pt) |
CH (1) | CH620003A5 (pt) |
DE (1) | DE2710061C2 (pt) |
DK (1) | DK147859C (pt) |
FI (1) | FI63804B (pt) |
FR (1) | FR2343859A1 (pt) |
GB (1) | GB1533434A (pt) |
IT (1) | IT1085873B (pt) |
MX (1) | MX4984E (pt) |
NL (1) | NL7702454A (pt) |
NO (1) | NO149824C (pt) |
NZ (1) | NZ183359A (pt) |
PH (1) | PH12982A (pt) |
SE (1) | SE432791C (pt) |
ZA (1) | ZA771463B (pt) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426466A (en) | 1982-06-09 | 1984-01-17 | Minnesota Mining And Manufacturing Company | Paper treatment compositions containing fluorochemical carboxylic acid and epoxidic cationic resin |
US4522686A (en) * | 1981-09-15 | 1985-06-11 | Hercules Incorporated | Aqueous sizing compositions |
US4623428A (en) * | 1983-10-27 | 1986-11-18 | Ciba-Geigy Corporation | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids |
US4735685A (en) * | 1984-09-13 | 1988-04-05 | Ciba-Geigy Corporation | Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids |
US4737239A (en) * | 1984-09-13 | 1988-04-12 | Ciba-Geigy Corporation | Process for the manufacture of paper or cardboard which is sized under alkaline or neutral conditions with anionic hydrophobic sizing agents and cationic retention aids |
US6051107A (en) * | 1997-04-28 | 2000-04-18 | Hercules Incorporated | Process for surface sizing paper and paper prepared thereby |
US6359040B1 (en) | 1998-05-12 | 2002-03-19 | Hercules Incorporated | Aqueous systems comprising an ionic polymer and a viscosity promoter, processes for their preparation, and uses thereof |
US7279071B2 (en) | 2001-04-11 | 2007-10-09 | International Paper Company | Paper articles exhibiting water resistance and method for making same |
US7482046B2 (en) | 2000-01-26 | 2009-01-27 | International Paper Company | Cut resistant paper and paper articles and method for making same |
EP2028015A1 (en) | 2005-10-14 | 2009-02-25 | International Paper Company | Recording sheet with improved image dry time |
US7622022B2 (en) | 2006-06-01 | 2009-11-24 | Benny J Skaggs | Surface treatment of substrate or paper/paperboard products using optical brightening agent |
US7682438B2 (en) | 2005-11-01 | 2010-03-23 | International Paper Company | Paper substrate having enhanced print density |
WO2011016972A1 (en) | 2009-08-07 | 2011-02-10 | International Paper Company | System, method and software for reducing printer colorant usage |
US8057637B2 (en) | 2007-12-26 | 2011-11-15 | International Paper Company | Paper substrate containing a wetting agent and having improved print mottle |
US8263186B2 (en) | 2001-04-11 | 2012-09-11 | International Paper Company | Paper articles exhibiting long term storageability and method for making same |
EP2511419A1 (en) | 2005-11-01 | 2012-10-17 | International Paper Company | A paper substrate having enhanced print density |
US8377526B2 (en) | 2005-03-11 | 2013-02-19 | International Paper Company | Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same |
US8382945B2 (en) | 2008-08-28 | 2013-02-26 | International Paper Company | Expandable microspheres and methods of making and using the same |
US8460511B2 (en) | 2008-10-01 | 2013-06-11 | International Paper Company | Paper substrate containing a wetting agent and having improved printability |
US8460512B2 (en) | 2002-09-13 | 2013-06-11 | International Paper Company | Paper with improved stiffness and bulk and method for making same |
US8574690B2 (en) | 2009-12-17 | 2013-11-05 | International Paper Company | Printable substrates with improved dry time and acceptable print density by using monovalent salts |
US8613829B2 (en) | 2009-06-16 | 2013-12-24 | International Paper Company | Anti-microbial paper substrates useful in wallboard tape applications |
US8652593B2 (en) | 2009-12-17 | 2014-02-18 | International Paper Company | Printable substrates with improved brightness from OBAs in presence of multivalent metal salts |
US10036124B2 (en) | 2012-01-23 | 2018-07-31 | International Paper Company | Separated treatment of paper substrate with multivalent metal salts and OBAs |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4240935A (en) * | 1978-12-22 | 1980-12-23 | Hercules Incorporated | Ketene dimer paper sizing compositions |
WO1981003328A1 (en) * | 1980-05-22 | 1981-11-26 | Firmenich & Cie | Bicyclic compounds and utilization thereof as perfuming agents |
WO1982000038A1 (en) * | 1980-06-24 | 1982-01-07 | Yoshioka S | Cellulose-treating agent and paper products sized therewith |
CH673195B5 (pt) * | 1981-05-14 | 1990-08-31 | Sandoz Ag | |
JPS6059195A (ja) * | 1983-09-13 | 1985-04-05 | 三菱製紙株式会社 | 中性紙 |
DE3940481A1 (de) * | 1989-12-07 | 1991-06-13 | Bayer Ag | Basische polykondensationsprodukte sowie deren verwendung als faerbereihilfsmittel |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1070916B (pt) * | 1959-12-10 | |||
US1125486A (en) * | 1911-07-27 | 1915-01-19 | James W Dawson | Rotary explosive-engine. |
US1373788A (en) * | 1920-09-15 | 1921-04-05 | Sternau & Co Inc S | Grid or grill |
US3006806A (en) * | 1957-02-15 | 1961-10-31 | Olin Mathieson | Sized paper and process therefor |
US3046186A (en) * | 1957-06-12 | 1962-07-24 | American Cyanamid Co | Cationic sizing emulsions and paper sized therewith |
US3445330A (en) * | 1966-04-28 | 1969-05-20 | American Cyanamid Co | Method of sizing paper with carboxylic acid anhydride particles and polyamines |
US3499824A (en) * | 1967-02-27 | 1970-03-10 | American Cyanamid Co | Aqueous cationic emulsions of papersizing isocyanates and manufacture of paper therewith |
US3703563A (en) * | 1971-06-21 | 1972-11-21 | Diamond Shamrock Corp | Polyacrylamide-epoxidized aminoplast-urea condensates |
-
1976
- 1976-03-10 GB GB9523/76A patent/GB1533434A/en not_active Expired
-
1977
- 1977-02-16 NZ NZ183359A patent/NZ183359A/xx unknown
- 1977-02-21 CA CA272,148A patent/CA1100265A/en not_active Expired
- 1977-02-21 PH PH19469A patent/PH12982A/en unknown
- 1977-03-03 FI FI770693A patent/FI63804B/fi not_active Application Discontinuation
- 1977-03-07 FR FR7706629A patent/FR2343859A1/fr active Granted
- 1977-03-08 DE DE2710061A patent/DE2710061C2/de not_active Expired
- 1977-03-08 NL NL7702454A patent/NL7702454A/xx active Search and Examination
- 1977-03-08 DK DK101177A patent/DK147859C/da not_active IP Right Cessation
- 1977-03-09 NO NO770830A patent/NO149824C/no unknown
- 1977-03-09 JP JP2493277A patent/JPS52118010A/ja active Granted
- 1977-03-09 AU AU23063/77A patent/AU502842B2/en not_active Expired
- 1977-03-09 SE SE7702669A patent/SE432791C/sv not_active IP Right Cessation
- 1977-03-09 MX MX775525U patent/MX4984E/es unknown
- 1977-03-09 CH CH295377A patent/CH620003A5/fr not_active IP Right Cessation
- 1977-03-09 AT AT158477A patent/AT360333B/de not_active IP Right Cessation
- 1977-03-09 IT IT21093/77A patent/IT1085873B/it active
- 1977-03-10 BR BR7701449A patent/BR7701449A/pt unknown
- 1977-03-10 BE BE175694A patent/BE852342A/xx not_active IP Right Cessation
- 1977-03-10 ZA ZA00771463A patent/ZA771463B/xx unknown
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4522686A (en) * | 1981-09-15 | 1985-06-11 | Hercules Incorporated | Aqueous sizing compositions |
US4426466A (en) | 1982-06-09 | 1984-01-17 | Minnesota Mining And Manufacturing Company | Paper treatment compositions containing fluorochemical carboxylic acid and epoxidic cationic resin |
US4623428A (en) * | 1983-10-27 | 1986-11-18 | Ciba-Geigy Corporation | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids |
US4735685A (en) * | 1984-09-13 | 1988-04-05 | Ciba-Geigy Corporation | Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids |
US4737239A (en) * | 1984-09-13 | 1988-04-12 | Ciba-Geigy Corporation | Process for the manufacture of paper or cardboard which is sized under alkaline or neutral conditions with anionic hydrophobic sizing agents and cationic retention aids |
US6051107A (en) * | 1997-04-28 | 2000-04-18 | Hercules Incorporated | Process for surface sizing paper and paper prepared thereby |
US6359040B1 (en) | 1998-05-12 | 2002-03-19 | Hercules Incorporated | Aqueous systems comprising an ionic polymer and a viscosity promoter, processes for their preparation, and uses thereof |
US7790251B2 (en) | 2000-01-26 | 2010-09-07 | International Paper Company | Cut resistant paper and paper articles and method for making same |
US7482046B2 (en) | 2000-01-26 | 2009-01-27 | International Paper Company | Cut resistant paper and paper articles and method for making same |
US8317976B2 (en) | 2000-01-26 | 2012-11-27 | International Paper Company | Cut resistant paper and paper articles and method for making same |
US7666272B2 (en) | 2001-04-11 | 2010-02-23 | International Paper Company | Paper articles exhibiting water resistance and method for making same |
US8263186B2 (en) | 2001-04-11 | 2012-09-11 | International Paper Company | Paper articles exhibiting long term storageability and method for making same |
US7279071B2 (en) | 2001-04-11 | 2007-10-09 | International Paper Company | Paper articles exhibiting water resistance and method for making same |
US7666273B2 (en) | 2001-04-11 | 2010-02-23 | International Paper Company | Paper articles exhibiting water resistance and method for making same |
US7927458B2 (en) | 2001-04-11 | 2011-04-19 | International Paper Company | Paper articles exhibiting water resistance and method for making same |
US8790494B2 (en) | 2002-09-13 | 2014-07-29 | International Paper Company | Paper with improved stiffness and bulk and method for making same |
US8460512B2 (en) | 2002-09-13 | 2013-06-11 | International Paper Company | Paper with improved stiffness and bulk and method for making same |
US8377526B2 (en) | 2005-03-11 | 2013-02-19 | International Paper Company | Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same |
US8758886B2 (en) | 2005-10-14 | 2014-06-24 | International Paper Company | Recording sheet with improved image dry time |
EP2028015A1 (en) | 2005-10-14 | 2009-02-25 | International Paper Company | Recording sheet with improved image dry time |
US10036123B2 (en) | 2005-11-01 | 2018-07-31 | International Paper Company | Paper substrate having enhanced print density |
EP2511419A1 (en) | 2005-11-01 | 2012-10-17 | International Paper Company | A paper substrate having enhanced print density |
US8157961B2 (en) | 2005-11-01 | 2012-04-17 | International Paper Company | Paper substrate having enhanced print density |
US7682438B2 (en) | 2005-11-01 | 2010-03-23 | International Paper Company | Paper substrate having enhanced print density |
US7972477B2 (en) | 2006-06-01 | 2011-07-05 | International Paper Company | Surface treatment of substrate or paper/paperboard products using optical brightening agent |
US7622022B2 (en) | 2006-06-01 | 2009-11-24 | Benny J Skaggs | Surface treatment of substrate or paper/paperboard products using optical brightening agent |
US8382947B2 (en) | 2006-06-01 | 2013-02-26 | International Paper Company | Surface treatment of substrate or paper/paperboard products using optical brightening agent |
US8057637B2 (en) | 2007-12-26 | 2011-11-15 | International Paper Company | Paper substrate containing a wetting agent and having improved print mottle |
US8465622B2 (en) | 2007-12-26 | 2013-06-18 | International Paper Company | Paper substrate containing a wetting agent and having improved print mottle |
US8679294B2 (en) | 2008-08-28 | 2014-03-25 | International Paper Company | Expandable microspheres and methods of making and using the same |
US8382945B2 (en) | 2008-08-28 | 2013-02-26 | International Paper Company | Expandable microspheres and methods of making and using the same |
US8460511B2 (en) | 2008-10-01 | 2013-06-11 | International Paper Company | Paper substrate containing a wetting agent and having improved printability |
US8613829B2 (en) | 2009-06-16 | 2013-12-24 | International Paper Company | Anti-microbial paper substrates useful in wallboard tape applications |
US8456705B2 (en) | 2009-08-07 | 2013-06-04 | International Paper Company | System, method and software for reducing printer colorant usage |
US8854689B2 (en) | 2009-08-07 | 2014-10-07 | International Paper Company | System, method and software for reducing printer colorant usage |
WO2011016972A1 (en) | 2009-08-07 | 2011-02-10 | International Paper Company | System, method and software for reducing printer colorant usage |
US8574690B2 (en) | 2009-12-17 | 2013-11-05 | International Paper Company | Printable substrates with improved dry time and acceptable print density by using monovalent salts |
US8652593B2 (en) | 2009-12-17 | 2014-02-18 | International Paper Company | Printable substrates with improved brightness from OBAs in presence of multivalent metal salts |
US10036124B2 (en) | 2012-01-23 | 2018-07-31 | International Paper Company | Separated treatment of paper substrate with multivalent metal salts and OBAs |
Also Published As
Publication number | Publication date |
---|---|
ZA771463B (en) | 1978-01-25 |
SE432791C (sv) | 1989-04-04 |
NZ183359A (en) | 1978-09-20 |
FI63804B (fi) | 1983-04-29 |
NO149824B (no) | 1984-03-19 |
NO770830L (no) | 1977-09-13 |
AT360333B (de) | 1980-01-12 |
SE432791B (sv) | 1984-04-16 |
CH620003A5 (en) | 1980-10-31 |
JPS6215680B2 (pt) | 1987-04-08 |
SE7702669L (sv) | 1977-09-11 |
FR2343859B1 (pt) | 1984-03-23 |
BR7701449A (pt) | 1977-11-29 |
DE2710061A1 (de) | 1977-09-22 |
PH12982A (en) | 1979-10-29 |
DK101177A (da) | 1977-09-11 |
NO149824C (no) | 1987-04-01 |
IT1085873B (it) | 1985-05-28 |
DE2710061C2 (de) | 1987-03-26 |
AU502842B2 (en) | 1979-08-09 |
MX4984E (es) | 1983-01-31 |
DK147859B (da) | 1984-12-24 |
DK147859C (da) | 1991-08-12 |
NL7702454A (nl) | 1977-09-13 |
AU2306377A (en) | 1978-09-14 |
FI770693A (pt) | 1977-09-11 |
CA1100265A (en) | 1981-05-05 |
JPS52118010A (en) | 1977-10-04 |
BE852342A (fr) | 1977-09-12 |
ATA158477A (de) | 1980-05-15 |
FR2343859A1 (fr) | 1977-10-07 |
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Legal Events
Date | Code | Title | Description |
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PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940221 |