
heinry dreyfus

heinry dreyfus (yaa heinry dreyfus, 7 janwari 1882-30 disambar 1944) aadhunik bunai karagh kaa ack swiss aavishkaarak thaa. unhone aur unake bhaai kemili dreyfus ney bhee ack acetate dhaage, selnies kaa aavishkaar kiya.
praarambhik varsh.
heinry dreyfus kaa janm 1882 mein ack yahudi parivaar mein, besal, switzerland seey 1878 mein huaa thaa. vaha camill dreyfus (1878-1956) key chhote bhaai they. unake maataa-pitaa abraham aur henrita (nee wahl) dreyfus they.
unake pitaa rasayan udyog mein shamil they.
donon bhaai besal mein school gaye aur phir sorbone, peris mein adhyayan kiya.
1904 mein heinry dreyfus ney besal vishvavidyalaya seey uchchatam sammaan key saath phd arjit kii.
dreyfus bhaaiyon ney besal mein apane pitaa key ghar key bageeche key ack koney mein ack chhoti see prayogshala mein prayog karna shuru kiya.
unaki pahali upalabdhi synthetic neel rangon kaa vikas karna thaa.
1908 mein way cellulose acetate vikasit karane kii or badhe, jisamen yaugik key gunon kii vaigyaanik jaanch aur vaanijyik shoshan shamil thaa. 
isase unakaa baaki jeevan barbad hoe jaayega.
praarambhik lakshya celluloid key liye ack surakshit aur gair-jwalansheel vikalp banaana thaa, phir motion pictures aur photography key liye upayog kiya jaataa thaa.
1910 taka unhone plastic film aur acetate laakh, yaa vimaan dope koo poorna curr liya thaa.
12 disambar 1912 koo heinry aur kemili dreyfus ney udyami alekjendar clevel-respinger dwara vitt poshit, besal, selonit gasselshaft dreyfus aind company mein ack karkhana sthaapit kiya., 
cellulose acetate seey agnirodhi celluloid kaa utpaadan karna. 1913 mein sthaapit selonit company naee samagri vikasit karane mein naveen thee.
dreyfus bhaaiyon ney 1913 mein pahala acetate nirantar filament soot kaa utpaadan kiya.
haalaanki, adhikansh utpaadan chalchitron yaa prasaadhan samagri key liye kiya gayaa.
peris-adharit path cinema upkaran nirmaata ack pramukh graahak bunn gayaa.
company ney german zepelin aur havaai jahaazon key liye istemal kiye jaane vaale laakh bhee banaae.
jaise-jaise vimaan udyog kaa vistaar huaa, acetate laakh kii maang mein lagaatar vriddhi hui.
pratham vishva yuddh.
pratham vishva yuddh key dauran (julaai 1914-navambar 1918) salonite company united kingdam mein cellulose acetate dope key nirmaan key liye british yuddh karyalaya key anurodh kaa jawab dene vaali ekmatra bolidata thee.
camill aur heinry dreyfus 1916 mein britten chaley gaye taaki ack karkhane key nirmaan kii nigrani kii jaa sakey taaki dope banaaya jaa sakey, jiska upayog havaai jahaaj kii kapade kii khaal koo coat karane key liye kiya jaataa haye taaki unhein tanga, agni-pratirodhi aur jalrodhak banaaya jaa sakey.
160, 000 sheyaron key saath karkhane koo sanchaalit karane key liye british cellulose aur rasayanik nirmaan company kii sthaapana kii gaee thee, jisamen seey dreyfus bhaaiyon aur alekjendar clevel koo 79,998 praapt hue, kanada kaa vivekpurna trust 40,470, wickers limitted. 19, 800 aur shesh chhote niveshakon koo.
sanyantra kaa nirmaan spondon, dair mein alfred david mcalpine dwara kiya gayaa thaa.
janwari 1917 mein chaalees tunn laakh key liye ack anubandh parr hastakshar kiye gaye they, aur anta mein aprail 1917 mein delivery shuru hui.
kachche maal kii kamee key kaaran pahale tou maang koo puuraa karane mein kathinaaiyaan theen.
haalaanki, company ney teji seey vistaar kiya, aur vimaan udyog dwara aavashyak anya utpaadon mein sthanantarit hoe gaee.
british sarkaar ney acetic acid enhydride key utpaadan key liye heinry dreyfus kii prakriya kaa patent karaaya.
1918 taka, heinry dreyfus 14,000 key karyabal kaa prabandhan curr rhaa thaa.
baad mein currier.
navambar 1918 mein pratham vishva yuddh key anta key saath sabhi laakh anubandh radd curr diye gaye aur company koo jeevit rahane key liye sangharsh karna padaa.
camill dreyfus farwari 1918 mein ack americi operation sthaapit karane key liye chully gaee thee, baad mein selnies nigam bunn gaee, aur julaai 1919 taka vaapas naheen aaee.
donon bhaai nae cellulose-adharit utpaadon mein chaley gaye, jinamen warnish, pent aur ack kritrim resham dhaga shamil thaa jise way selnies kahate they.
jaba heinry ney 1921 mein "selenese" brand key tahat utpaad launch kiya tou spondon mein pratidin acetate filament banaane kii kshamata thee.
heinry dreyfus ney apane shesh jeevan key liye takniki vikas aur british company chalaane parr dhyaan kendrit kiya.
british selnies company 1920 mein saarvajanik hoe gaee. sarkaar ney apani aapoorti kii gaee nidhi key badale mein pasandida sheyaron mein £ 1,450,000 kaa adhigrahan kiya, lekin agale kuchh varshon mein iss hissedari koo betch diyaa.
company ney 1923 mein apana naam badalkar british selnies curr liya.
company ney baar-baar badey munafe kaa anuman lagaaya, lekin 1944 taka apane samanya sheyaron parr koee labhansh kaa bhugtan naheen kiya, jaba dreyfus kii mrityu hoe gaee.
heinry dreyfus key bhaai camill ney americi company chalaai, joe 1927 mein saarvajanik hui. haalaanki way takniki roop seey swatantra saarvajanik companiyan theen, vyavhaar mein donon koo dreyfus bhaaiyon dwara niyantrit kiya jaataa thaa, joe unhein mool aur sahayak key roop mein maanate they. heinry apani mrityu taka americi company key nideshak they.
heinry dreyfus anya kritrim fiber nirmaataon, vishesh roop seey courtalled key saath pratispardha mein apani company key utpaadon koo badhaava dene mein prabhaavi they. 1930 key ack sarvekshan mein paaya gayaa kii 98 pratishat british mahilaaen selenese key baare mein jaanati theen.
kyonki methanol aur carbon monoxide donon hii vastu kachche maal hain, methanol carbonylation lambe samay taka acetic acid key liye aakarshak agradoot prateet huaa. heinry dreyfus ney 1925 kii shuruat mein british selenese mein ack methanol carbonylation pilot sanyantra vikasit kiya.
haalaanki, vyaavhaarik samagriyon kii kamee joe aavashyak uchch dabaav (200 atm yaa adhik) parr sankshaarak pratikriya mishran koo dhaaran curr sakati haye, vyaavsaayikaran koo hatotsaahit karati haye.
kaee mahatvapurna aavishkaron key liye patent pradaan kiye gaye they jaise kii failna aur sookhi kataai prakriya.
british selenese ney 1931 mein acetate patent key ullanghan key liye courtalds parr mukadama daayar kiya, phir apeelon kii ack shrinkhala daayar kii joe antatah house off lords taka pahunch gaee, jisane daave koo khariz curr diyaa. unhone 1936 mein phir seey mukadama daayar kiya aur 1937 mein phir seey haar gaye. iss nirnay key khilaf appeal taba vaapas leey lii gaee jaba donon companiyon ney vilay kii baatchit shuru kii. way 1939 mein vilay parr samjhaute parr pahunche, lekin sauda taba adhura thaa jaba dwiteeya vishva yuddh (1939-1945) chhid gayaa. unhein dreyfus key jivankal mein phir seey shuru naheen kiya gayaa thaa.
heinry dreyfus kii mrityu 1944 mein hui.
apane jeevan key dauran unhone 2,000 seey adhik patent aavedan daayar kiye they.
1946 mein kemili dreyfus ney apane bhaai kii yaad mein heinry dreyfus foundation kii sthaapana kii, "rasayan vigyaan, rasayanik engineering aur sambandhit vigyaan koo duniya bhar mein maanav sambandhon aur paristhitiyon mein sudhaar key saadhan key roop mein aage badhaane key liye."