Note: Descriptions are shown in the official language in which they were submitted.
---- DEC-04-i92 12:24 ID:EMRICH~I)IT~MRR C~GQ__T~ ~1
~ J / /O 2 ~ 7 ~ .
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Thi~ lnv~rltloh r~ln~D~ to th-D provi~ion Or
hydrophc~bic ~ nu~Aotur~d ~ro~ ~crap b~x~d c~d~o~r~
and/or ~ coDbinAtlon o~ thQ ~rAx~d card~rd ~nd ~a~t~ p~p~r.
prc~uct~ halr~ baon inva~lto~, one ~ kitty l~tt~ pr~uc's
and th~ oth~r a proa~lc'e wh~oh Ab~orbll Oil.
~ h~ iny~ntl~D rQlato~ to 1:h~ ongoing ~arcb ~c~
rocycl~ ~ateri~ nd to provid~ ~o~n~ or cl~n~ng oll
~t~ Gh n.l~ in ~a~ngoa ~nd pl~n'c~ ~:elng h~A~y ~c~lino~y
Ahd th~ llX~.
~ h~ Lnv-~ntiorl d~al~ p~rtloul~ly wlt~ w~ d box~ Or
the Syp~ u~d ~or ~ t ~nd poultry a~ w~ll A~l J~ th~ typ~
uc~ ror vog~:h~ s nn~ ~rU~t. C~n~r~lly, w~xad oArdboar~
1~ or t~o type~. Curt~ln co~t~cl c~rdboard 1~ co~only u~d
~ n boxe~ ~or n~ t ~nd pol~ltry wh~r~;l.n ~sDt ~uio~ ~nd the
ll~co would ~o~k through un~xad alrd~r~. ~o pr0~ ch~
~tr~gth c ~ tho cz~rdbol~rd, ~ he~vy w~c oo~tinS~ in the ~o~
a curt~ln ih 1~ d nat~ th- ~:ardbo~d, h~neo S~ ~e
eu~ta in eolltirlql . 'rh11~ typ~ o~ eard~o~rd bo~c ~y b~ ~rtnln
ec~t~d on on~ or on l~oth E~id~ o~ ty~ oP w~X~t~
eardbonrd e~only ua~d ~ ~tur~t~d e~rd}~D~rd whi¢h 1~
oo~ml)nly u~d ~or ~rult and ~e~aotablo bDx~ ~her~ thu ~our~t
Or ~ tur~ ~neountl-r~l 1~ la~a. Th~ oil ~b~o~ ng p~duet
of thi~ inY~ntlon ~y ~ ~de ~it~ ~ithor or bol:h o;~ th~
eurta in c:~tod or ~tu~t~d ~aL-dt~d ~horo~ l'cty
lltt~ prQdu~t h~r~ina~te~r ~ cribed ~u~t l~ de wlth ~t
leust a o Dount o~ ourt~in eoal:~d w~x~d c~ rd.
The im~ntlon con~st~ o~ c~tain nov~ aturQ~ ~nd
a oo~binatlon o~ p~st~ h~rs~lna~t~r ~u~ ly O.QII~Cri~Od, and
p~rtl~ul~ly poi~t~d ou'c ~n ~h~ app~ndQdl ola~, it b~ing
und~r~'cood hAt v~rlou~ oh~n~ in ~he dot~ ay lt~ de
wl~hou~ dop~rtln~ 8ro~ th~ opirit, or ~a~crlf lci~ any ~ ~h~
a~ ntage~ of 1:h~s pr~ent invan~lDn.
It i~ an o~ t o~ tho inv~stion ~c~ provl~ n oil
absorbin~ ~ate~cLal D~adR ~oo w~;t~ xed c~rd3:10~rd.
DEC 4 '92 13:20 EMRIcH~DlTHMflR CHGO Pf:lGE.E3C3
DEC-04-'92 1.2:25 ID:E~1RIC~VDI~ R C~N~W rrL NO:13122E~
~v~ 2 ~g9L7~i6
It i~ ~noth~r ob~t o~ the ~n~ntiorl to pr~vid2
~ th~d~ of ~anufactur~ns3 ~th th~ oil ~b~orblng 2~t~ri~ nd
~l~e k~t~cy li~r ~'ccri~l.
~b~ hiçlhly oll Ab~or~nt ~terial her~n~ter
crib~d i6 D~ade prin¢i~lly l~ro~ WAX~d o~rdbo~ nd ~y
de ~r3~s ahy co~bin~l~ion o~ s~ngl~ o~ doublo sided
curt~ coated ci~rdbo~rd Dr ~ ur~t~d car~on~. The
rial in its ~in~l ~or~ lu~y ~ h~ly hydrophohic
~n~ tly~ophille oe~ lo~ie ~ b~vin~ WAX ~ ibut~d
or ~ond~d throug~out th~ ~lu~y ee~llulo~ tb~ , Th~ oil
ah~orbin~ m~teri~ ade by intsodu~lng the ~d~toek Or
~urt~tn eo~t~d or eatur~t~d Iw~x oardb~Ard in~o ~ ha~2r
tr~lll, The prr~duc~t Whi~ C4'1DQfll (~ut: D~ ~3e h~r Dlill i8
phy~i~ally Alte~ and p2rhap~ eh~ eAlly altexed in thæ
:~ono~ that thQ wax~d eardbvard ~nt~2: in~ th~ h~r n~
~lightly hy~lrc~phill~ but th~ ~At~rie~l ~hieh extt~ th~ ~a~a~r
~ill i~ slightly hydrophobi~. ~t 1~ ~sliov~KI th~ during
~h2 prc~e~lng ope~rAtl~n th~ v~x 1~ 1cri~ut~d
th~oug}lout and pe~hap~ ~b~iGa11y bo~dod ~o t)~e ~11~10~ic
ræ, i~h~o~y ~ocounti~g fc)r th~ ch~ oP~ ght1y
hydrophilic to 611ghtly ~d~s~hobi~ nd ~lydrsphllic
Qhara~:~ea: istic~. In a~ tion, ~hen wax i~ a~te~pt~d to
di~c lved ~ro~n tbe f inal product, Yery litSle o~ t2~e ~ax wa~
dil-~olva~1e by ~ ~olv~n~ ~ro~ ~ h~r~ pro~uct wh~r~
con~idQrably ~c3ro w~x w~a di~ol~ f~on th~ initi~l wAa2ed
cardbo~ tt o~y be ~h~ d~ing th~ p~oo~ the wax i~
D~elt~d and a c~ cal r~ n t~kelsl pl~ -w~n ~che
e~llulo~ lb~2r~ and th~ ~lt~d w~x, b~lt ~h~ 3 not
pr~ntly ~cno~n . ~at i~ ~pp~ant i ~ that the produ~t
oo~ng ~ut o~ tha hasmn~r ~111 or in thg- pr~rr~d ~tho~ two
h~r hill~ ~aoh op~r~ltln~ ~t ~bout 36~0 rp~ i~
physically ~l~erod A17d perhApl~ Oh~liC~ y ~lt~r~d in t~e
3ens~ th~ the p~ e'c ~xitin~ ti~le OEeaond h~Qr 3~ill i6
slightly hyà~ophobi~ wh~r~n~ t~ial ~n~ring th~ ~ir~t
h~ r mill i~ ~lightly hydrophilic. 'rha t~ llulo~ic
x ib~r~ h~ving wax distri~t~d throughout" as u~d her~in
~e~n~ ~he produet ~o~ ~h~ has~er ~ t3~r or no~ th~r~
DEC ~ '92 13:21 EMRlCHiDlTHM~R CHGO P~6E.004
DEC-~14-'92 l2:25 ID:EtlRl~I/DlT~Mf~ ~I[iCI 11~L Ma_~2,26316~ tt1~t PC~';
7 6 6 1~
WUt Y~ ,
i~ both ~ phy2~ioAl ~rld chohit:Al ~qlt~tr~tl~n or only
p~y~ l.
In the oil ~orblng 2M~torl~l of ~h~t pr~-nt
nY~J~tion, ~a~te o~ ~orap w~xl~d c~d~d lc ~o~n, cut or
tdllct~ lnto ~aller piao~36 ~n~ lntrsducQd lnto onet o ~ two
ooriAlly connect~3d b;~or ~ t~ch op~triltting Zlt 3600 rp~t.
The ~at~rial RXlt~ th~ 9~ire~t h~xr ~ill Uld i~ l~tr~l~ad
int~ a ~econd h~M~r ~ or ~u~thDr proco~ n ~h~
product ant6~r~ s~cortd h~r ~ill, it ia hro~aqh
a 3~8" ~0~h eQr~#n ~ tr ~hiGh th~ ~re~luot i~ in i~ tlr.~l
rlufry ~lightly hydrophobio coh4~tlon. ~h~ to~ y b~
then p~lck~g~d in a ~r~rla'ey o~ aDn~iguss'cic~ n~ ~d to
ab~or~ oil in garn~ hin~ ~hops and t~o llk~. Tho
~t~rlal ~ny b~ u~Qd ~ ~ loo~ till or lt ~ay 1~ paokag~d
in cylind~r~ ~uc:h ~ ~ ku~e ~aock and u~d ~or da~ ln oll
~pill~ on ~auno or l~k~. Tho pro~ xtr~1~1y oil
ab~orl~nt .
~ b~ kitty litt~ p~5uet ~o ~ prov~ont ov~r
p~4~nt kltty llttor pr~uatl- whlch a~ o~ eull~r~
h bOCQUlUI ~ull~r~ af~r~h la not ~tikl~ and tborob,y
pr~ent~- ~n enYiror~ diopo~l pro~ no~ ~n~ unt-~d
with th~ pr~e~n~ produot. ~n ord~r to ~e~ ~ ~cltty litter
pr~duct ~ording t~ th~ pr~alt i~Y~nt~on, c~ in co~t~
w~x~ ~-r~b~ard s~ t ~ U~ r2~ n th~ ~aturllt~d
~t~r~ previou~ly dl~ou~3~ ln oo~tod w~x~d
s~d~ard i~ mix~ ~ith nor~a~ ~a~ts p~p~ whloh ~y b~
n~v~ r, ~ny o~ wa~e p~ v~ g~n~
D~ any oe)~bin~tlon th~r~d. A di~ad~nt~Q with r~g~2in~3
~l ick~ ioe that th~y ~ont~ rul~ a~th ~n~l ~o t4 ~ ~aall
d4gr~ th~r~ ~lll ~ a r~du0 re~i~lin~ whero~ ~ato~pt ~or
th~ ~uller~ e~th pr~nt ln ~gl~7sln~ c~, th~ ~t~r~al .
i~ c~Dpl~t~y co~bu~-lbl~ in any isOOl~e9~ i3l in~inora~or.
~ rhR ~ xtu~ wh~ch i~ ~dl to t~o ha23~
pr~vlou~ly dQ~oribad 1~ ~per ~nd wax0d curt~in Goot~d
cArdbG~d p~ nt in ~An ~ou~t r~ o~ n about 1l'~ by
wQight an~ prer~3r3~bly ab~u~ 5~ by ~ight. ~ho pr~ d
~ixtur~ i~ 95% ~y ~ight p~per ~ 6 by w~ight ~urtain
~o~t-d car~rd w ich 1c P-d lnto ooc~1ve h~r ~llL-. !
DEC 4 '92 13:2I EMRICH~DITHMRR CHGO P~GE.~05
DEC-04-'9Z l 2:26 I D:EMRlCH~DlTHMf~ c~ n 13~,~2 51671 ~l t P0_~
i ~ 6
V~'J~I;L/O
~h~ p~odu~t ln th~ ~2c:l~nd h~r ?~ B th~n forc~d ~ rough
3 / 8 " ~cre~n zlnd i~ tran~port~d th~r~ro~ ~ a ~Achih~ wh~ch
is u~d to fo~m a d~n~ olld produc:t ~uch ~ t.
Wh~n a p~llet i5 pr~rr~d ~or 'cb~ Xitty li~t~r produc~,
nor~l extrusion di~ u~3~3cl to produc~, ~or inE~t~'lCB,
5/16" di~t~r by 1~ lon~ p~ t. lt irj und~tood ~at
p~ t~ o~ VA~iou~ lbng~bs ~nd dia~at~ ~y b~ u~ed a~
d~ ad. ~n ~ddlt~on, ~riq~ t~ aay b~ ~om~3d ol! the
~at~ri~l whi~h i~ fc~rc~d through th~ 3la~ ~c~n ~n~l thl~
y al~o ba ~dvantæg~æ ~or t:hQ kltty ll~tq!r pr~1uct.
~ h~ kltty l~tt~r prDdut~t o th~ pr~ nt inv~ n in
th~ ~orm Or 5/16" x l" p~ t~ i~ sdYant~oou~ u~ t~
~oat~3ri~ lightly hydrc~phol~ nd r~ n~ lts lnt~grity
in w~t~r. Wh~n us~d as ~ ty l~t'cl~r, tl~ ns 'Ch/A'C the
C~At urln~ wi ll ~op ~a~thqlr down into tilO kitty 1 itt~r
~e~or~ t~2.ing Ab~or}~d wh~l~ thQ Eoc6~s re~in~ ~t or near th~
top ~ven ~l~t~r blling ~uri~d by tho ~ni~. B~aula2 it i~
tha c~n~ct o~ uri~ th t~ a~ which p~odu~:~$ an
oen~i~e ~ollt box~ odc~r, thi~ )cltty l~tt~r l~ advant~g~oul;
ov~r pr~çl-~ly ~va~labl~ kitty llt~a~ in th~t th~ ~ubj~c~
inventlon ~rv~ to ~epar~t~ the uri~ rosll th~ ~c~
n, ell6 ~ore otat~d, anoth~r ~d~nt~g~ t~ ~h~ pr4~nt
inven~ion is thDt th~ kit~y lltter ~ ro-D thi6
~nv~ntion i~ c0~ 1y cw~ in ~ cc~ rcial
ine:ine~at:o~ t~Br~by leavi~ n~ r~idu~ ~or dl~po~hlO ~h~
D~eri4tl will r~ n it~ int~lty ovq~J~ wh~n expo~d 'co
urin~ or wat~r and will no~ disln~gr~t~ ; will n~wopap~r
wh~n w~t. Ev~n $~oug~ th~ pr~uoe ~ay b~ fro~ 9~% ~:o gs%
p~p~r, ~t si~l r~t~in~ lt~ ~o~ ~nd ~hAp~ ~lpon o)cpo~ure tc,
~ois llr~e~
It i~i cl~a~ ~ro~ the~ ~oreg~ , that two pr~luc~
haY~ b~n produc~d ~rom w~te ~x~ rdbo~r~l ~n~ ~ ~ix~ur~
of wax~d c:ardbo~r~ and wa~ o,p~, both produc:t~ b~ing
en~ ntally ~ e ~nCI prov~ding ~dv~nt~ in that
D~a~ ri~ nor~lly ai~ar~ed ~n now bs~ us~d fsr bon~rlcia
pr~du~:t~ .
It is cle~r tha~ ~far~OUB additi~e~ ~ty be tn~luded
with th~ kitty litt~ ~UO~ a3 p~r~ , or ot~er ~d.cliti~
3EC 4 '92 13:22 EMRICH/DITHMP~R CHGO Pf~GE.006
DEC-E~4--'92 12:2'7 ID:EMRlCII/DlT~-~fR C11GO rEI.. 00:131æ~31671 ~tl21 PB'7 ,,
~Y~ 8~7~ ~
To~t~ ~ith th~ kit'ey llt~Qr h~v~ ~hown ~at thD p~llot~ c~n
bo prcduce~ ~ d~n~ solld6 hllving ~ dQncity in th~ rangQ~ Or
~ro~ bout 2 lbs;. pQr çublc ~oc~t to ~bout 14 lJ~. p~r c~ ic
~oot. Fur~ hould 3~ llot~ h~ produ~ts vl'cb
varytnq ~ois~ cont~nt ~ay b~ pro~uo~d a1~cl it i~ wo~l
withln tho .~copc o~ thi~ inventi~n to produ~ produots ~lth
p~d~t~ n~ ~nol~tur~ content.
While 'c~ore ha~e ~0~n ~ loo~d herein ~olid Xltty
lit~r pe~llQt~ md brigu~tt~li, it ~ ald ~ ~ 'cood tb~t
va2:io~l~ o'c}~r for~~ h ao gr~nu:La~sd aat~rial cs~n ~2 z~ad~s
by ~ v2ril~ty o~ cu~pactlng or ~xt~ dlng pY'OC~$~ 11 w~11
known ln th~ art.
Nhil~ th6lr~ h~ on d~cl,o~sld wh~t i~ ~on~idsrod 'co
bt. thçl presrr~d ~dlaont t~ 'chl~ ~rao~nt ~71v~ntlon, it i~
und~r~to<:ld that ~ario~ cho,ngql~ ln tbo dot~ y b~
withvut d~parting ~ro~ th~ ~pirit, or 6dl¢ri~1C~ ny v~ the
~dv~l~go~ ~ tho pr~o~n'c inv~nt~ on .
DEC 4 '9Z 13:Z3 EMRICH/DlTHM~R CHGO P~GE.007
