AT335750B - PROCESS FOR THE PRODUCTION OF ORGANIC-INORGANIC PLASTICS - Google Patents
PROCESS FOR THE PRODUCTION OF ORGANIC-INORGANIC PLASTICSInfo
- Publication number
- AT335750B AT335750B AT954974A AT954974A AT335750B AT 335750 B AT335750 B AT 335750B AT 954974 A AT954974 A AT 954974A AT 954974 A AT954974 A AT 954974A AT 335750 B AT335750 B AT 335750B
- Authority
- AT
- Austria
- Prior art keywords
- organic
- production
- inorganic plastics
- plastics
- inorganic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/205—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of organic silicon or metal compounds, other organometallic compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/003—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hybrid binders other than those of the polycarboxylate type
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/088—Removal of water or carbon dioxide from the reaction mixture or reaction components
- C08G18/0885—Removal of water or carbon dioxide from the reaction mixture or reaction components using additives, e.g. absorbing agents
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/302—Water
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3893—Low-molecular-weight compounds having heteroatoms other than oxygen containing silicon
- C08G18/3895—Inorganic compounds, e.g. aqueous alkalimetalsilicate solutions; Organic derivatives thereof containing no direct silicon-carbon bonds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/775—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur sulfur
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
-
- 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
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2359610A DE2359610C3 (en) | 1973-11-30 | 1973-11-30 | Process for the production of flexible, organic-inorganic composite plastics with a low calorific value and improved fire behavior |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA954974A ATA954974A (en) | 1976-07-15 |
AT335750B true AT335750B (en) | 1977-03-25 |
Family
ID=5899463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT954974A AT335750B (en) | 1973-11-30 | 1974-11-28 | PROCESS FOR THE PRODUCTION OF ORGANIC-INORGANIC PLASTICS |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5530530B2 (en) |
AT (1) | AT335750B (en) |
BE (1) | BE822759A (en) |
BR (1) | BR7410036A (en) |
DD (1) | DD118103A5 (en) |
DE (1) | DE2359610C3 (en) |
ES (1) | ES432429A1 (en) |
FR (1) | FR2253053B1 (en) |
GB (1) | GB1450240A (en) |
IE (1) | IE40270B1 (en) |
IT (1) | IT1023378B (en) |
LU (1) | LU71390A1 (en) |
NL (1) | NL7415638A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO762677L (en) * | 1975-08-29 | 1977-03-01 | Ici Ltd | |
JPS52102395A (en) * | 1976-02-25 | 1977-08-27 | Onishi Sumiko | Process for producing glass foam pf |
US4282129A (en) * | 1980-05-05 | 1981-08-04 | Blount David H | Process for the production of polyol-alkali metal silicate emulsion |
GB2127838B (en) * | 1982-10-01 | 1986-03-19 | Mohamed Mohamed Abdul Metikes | A moulding compostion |
SE431341B (en) * | 1983-03-03 | 1984-01-30 | Eka Ab | SET TO MAKE A LOW WATER CONTENT POLYOL ALKALIMETAL SALT EMULSION |
JPS60110717A (en) * | 1983-11-21 | 1985-06-17 | Nichias Corp | Production of polyurethane foam |
JPS61197655A (en) * | 1985-02-27 | 1986-09-01 | Dainichi Seika Kogyo Kk | Flame-retardant polyurethane resin composition |
JPS61271710A (en) * | 1985-05-28 | 1986-12-02 | 大日精化工業株式会社 | Fireproof polyurethane wire sheath |
HU212033B (en) * | 1991-06-03 | 1996-01-29 | Polinvent Kft | Process for producing synthetic resins with controllable time of gelation, based on polyisocyanate/polysilicic acid |
HU227575B1 (en) * | 2004-08-19 | 2011-08-29 | Polinvent Kft | Process for producing composition with isocyanate/polysilicic acid/ resin base/ with - controlling witzhin a a wide range of pot-time - |
CN102548929B (en) * | 2009-07-30 | 2015-07-08 | 建筑研究和技术有限公司 | Siliceous-based polyurea compositions |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1186771A (en) * | 1967-05-12 | 1970-04-02 | Conteki Dev Ltd | Silicious Products |
DE2227147C3 (en) | 1972-06-03 | 1979-10-18 | Bayer Ag, 5090 Leverkusen | Homogeneous inorganic-organic ionomer-polysilicic acid-gel composite material present as colloidal xerosol |
DE2310559C3 (en) * | 1973-03-02 | 1975-09-11 | Bayer Ag, 5090 Leverkusen | Foam concrete, a process for its manufacture and its use for the manufacture of building elements |
DE2325090C3 (en) | 1973-05-17 | 1980-11-06 | Bayer Ag, 5090 Leverkusen | Process for the production of an inorganic-organic polymer-polysilicic acid composite material in the form of a colloidal xerosol |
-
1973
- 1973-11-30 DE DE2359610A patent/DE2359610C3/en not_active Expired
-
1974
- 1974-11-25 IT IT54196/74A patent/IT1023378B/en active
- 1974-11-27 GB GB5129974A patent/GB1450240A/en not_active Expired
- 1974-11-28 AT AT954974A patent/AT335750B/en not_active IP Right Cessation
- 1974-11-28 DD DD182651A patent/DD118103A5/xx unknown
- 1974-11-28 LU LU71390A patent/LU71390A1/xx unknown
- 1974-11-29 IE IE2463/74A patent/IE40270B1/en unknown
- 1974-11-29 FR FR7439279A patent/FR2253053B1/fr not_active Expired
- 1974-11-29 JP JP13639074A patent/JPS5530530B2/ja not_active Expired
- 1974-11-29 BE BE150989A patent/BE822759A/en unknown
- 1974-11-29 ES ES432429A patent/ES432429A1/en not_active Expired
- 1974-11-29 NL NL7415638A patent/NL7415638A/en unknown
- 1974-11-29 BR BR10036/74A patent/BR7410036A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IE40270L (en) | 1975-05-30 |
IT1023378B (en) | 1978-05-10 |
JPS5087193A (en) | 1975-07-14 |
GB1450240A (en) | 1976-09-22 |
LU71390A1 (en) | 1975-08-20 |
IE40270B1 (en) | 1979-04-25 |
ES432429A1 (en) | 1976-11-01 |
DD118103A5 (en) | 1976-02-12 |
NL7415638A (en) | 1975-06-03 |
DE2359610B2 (en) | 1980-12-18 |
BE822759A (en) | 1975-05-29 |
ATA954974A (en) | 1976-07-15 |
AU7581074A (en) | 1976-05-27 |
JPS5530530B2 (en) | 1980-08-12 |
DE2359610A1 (en) | 1975-06-05 |
FR2253053A1 (en) | 1975-06-27 |
DE2359610C3 (en) | 1981-09-17 |
BR7410036A (en) | 1976-05-25 |
FR2253053B1 (en) | 1978-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT352403B (en) | PROCESS FOR THE PRODUCTION OF INORGANIC-ORGANIC PLASTICS | |
AT334331B (en) | PROCESS FOR THE PRODUCTION OF ALPHA-ACYLOXYCARBONYL COMPOUNDS | |
AT337990B (en) | PROCESS FOR THE PRODUCTION OF POLYADDITIONAL PRODUCTS CONTAINING IMIDE GROUPS | |
ATA600574A (en) | PROCESS FOR THE PRODUCTION OF POLYLACTONE | |
AT335750B (en) | PROCESS FOR THE PRODUCTION OF ORGANIC-INORGANIC PLASTICS | |
AT327170B (en) | PROCESS FOR THE PRODUCTION OF M- AND P-PHENYLENEDIAMINE | |
AT330352B (en) | PROCESS FOR THE PRODUCTION OF 7BETA-AMINO-7ALPHA-METHOXY -3- CEPHEMESTERN | |
AT334179B (en) | PROCESS FOR THE PRODUCTION OF FAT MIXTURES | |
ATA1022774A (en) | PROCESS FOR THE PRODUCTION OF POLYADDITIONAL PRODUCTS CONTAINING IMIDE GROUPS | |
AT340919B (en) | PROCESS FOR THE PRODUCTION OF TRIACETONAMINE | |
AT334869B (en) | PROCESS FOR THE PRODUCTION OF 3-KETOGLUTARIC ACID | |
ATA425874A (en) | PROCESS FOR THE PRODUCTION OF 2-ARYLPRORIONALDEHYDE | |
AT318919B (en) | Process for the production of insoluble plastics | |
AT338264B (en) | PROCESS FOR THE PRODUCTION OF TRIACETONAMINE | |
ATA977774A (en) | Process for the production of molded parts | |
AT318918B (en) | Process for the production of polyamide molded parts | |
AT335059B (en) | PROCESS FOR THE PRODUCTION OF ALFA-6-DEOXY-TETRACYCLIN | |
AT339272B (en) | PROCESS FOR THE PRODUCTION OF ALFA-CHLOROACRYLIC ACID CHLORIDE | |
ATA668174A (en) | PROCESS FOR THE PRODUCTION OF POWDERY COATING MIXTURES | |
AT314831B (en) | Process for the production of plastics containing urethane groups | |
AT330462B (en) | PROCESS FOR THE PRODUCTION OF RESIN COMPOSITIONS | |
AT335415B (en) | PROCESS FOR THE PRODUCTION OF EPSILON-AMINOCAPRONSAUREAMIDE | |
AT329043B (en) | PROCESS FOR THE PRODUCTION OF 1-NITRO-ANTRAQUINONE | |
AT334369B (en) | PROCESS FOR THE PRODUCTION OF OXADIAZOLINONE DERIVATIVES | |
AT353370B (en) | PROCESS FOR THE PRODUCTION OF METAL-PIGMENTED PLASTIC POWDER |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |