Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
  • F02F1/00—Cylinders; Cylinder heads 
  • F02F1/24—Cylinder heads
  • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
  • F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
• • 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
  • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
  • B01J10/005—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out at high temperatures in the presence of a molten material
• • 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
  • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
  • B01J3/04—Pressure vessels, e.g. autoclaves
  • B01J3/044—Pressure vessels, e.g. autoclaves in the form of a loop
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
  • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
  • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11218402

Family Applications (1)

Country Status (13)

Families Citing this family (12)

Family Cites Families (16)

• 1978
  • 1978-07-24 IT IT26010/78A patent/IT1174366B/it active
• 1979
  • 1979-06-13 IN IN612/CAL/79A patent/IN151776B/en unknown
  • 1979-07-11 US US06/056,551 patent/US4269997A/en not_active Expired - Lifetime
  • 1979-07-11 FR FR7917991A patent/FR2434145A1/fr active Granted
  • 1979-07-13 GB GB7924454A patent/GB2028311B/en not_active Expired
  • 1979-07-19 CA CA332,195A patent/CA1127663A/en not_active Expired
  • 1979-07-23 JP JP54092702A patent/JPS60339B2/ja not_active Expired
  • 1979-07-23 AT AT0507479A patent/AT375916B/de not_active IP Right Cessation
  • 1979-07-23 ES ES482756A patent/ES482756A1/es not_active Expired
  • 1979-07-23 SU SU792789506A patent/SU1085506A3/ru active
  • 1979-07-24 NL NL7905726A patent/NL7905726A/nl not_active Application Discontinuation
  • 1979-07-24 MX MX178606A patent/MX151584A/es unknown
  • 1979-07-24 DE DE19792929998 patent/DE2929998A1/de not_active Ceased
• 1980
  • 1980-11-26 US US06/210,384 patent/US4308234A/en not_active Expired - Lifetime
• 1982
  • 1982-03-09 GB GB08206854A patent/GB2109257B/en not_active Expired

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